kofeina — etykieta CAS 58-08-2

Kofeina, CAS 58-08-2 — odczynnik

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Odczynnik chemiczny Kofeina (CAS 58-08-2). Pełna karta encyklopedyczna — klasyfikacja, właściwości i dane bezpieczeństwa — poniżej.

🔒 Tryb demo — ta pozycja nie jest na sprzedaż.

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Audyt Twojej karty SDS — za darmo → · Kontakt

MolGod_SDSCARD_1
REACH 2020/878
v8 · 23.07.2026
Kategoria:
🧬 Wizualizator molekuły 3D
Ładowanie molekuły...
Model 3D Kofeina, CAS 58-08-2, wzór sumaryczny C8H10N4O2, masa molowa 194.19 g/mol

Dane transkrybowane z rejestrów regulacyjnych i literatury fachowej, z podaniem źródła i wydania. Nie zastępują karty charakterystyki dostawcy. Pola bez zapisanego źródła oznaczone jako takie.

Przegląd chemiczny: KofeinaMolGod_OVERVIEW_1
Wzór sumarycznyC8H10N4O2[1]
Masa cząsteczkowa194.19 g/mol[1]
Temperatura topnienia235 °C[1][2][3]
Gęstość1.23 g/cm³[1][2][3]
LogP (lipofilowość)-0.07[1][3]
pKa14[3]
Nazwa IUPAC1,3,7-trimethylpurine-2,6-dione[1]
SMILESCn1cnc2c1c(=O)n(c(=O)n2C)C[1]
InChIKeyRYYVLZVUVIJVGH-UHFFFAOYSA-N[1]

Synonimy: Caffeine · 1,3,7-Trimethylxanthine · Guaranine

Źródła danych: PubChem (NLM/NIH), Merck Index 15th ed. (2013)
Last updated: 2026-08-05

📚 Naukowe referencje (Chicago Author-Date) (3 źródeł)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ dotyczy: Wzór sumaryczny · Masa cząsteczkowa · Temperatura topnienia · Gęstość · LogP (lipofilowość) · Nazwa IUPAC · SMILES · InChIKey
  2. NLM. Hazardous Substances Data Bank (HSDB). National Library of Medicine. ↗ dotyczy: Temperatura topnienia · Gęstość
  3. O'Neil, M.J., ed. The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals. 15th ed. Cambridge: Royal Society of Chemistry, 2013. dotyczy: Temperatura topnienia · Gęstość · LogP (lipofilowość) · pKa

🎓 Badania akademickie: Kofeina

#1🎓Faculty of Science and Humanities📅 2026
Calcium Carbonate-Stabilized Nano-Caffeine Emulsion Attenuates Diabetic Cardiomyopathy via Antioxidant, Anti-Inflammatory, and Anti-Fibrotic Pathways in Type 2 Diabetic Rats…
Mansouri RA; Aboubakr EM; Alshaibi HF; Fouda WM; Banjabi AA; Al-Bazi MM.
Pełny raport LAB →
#2🎓Faculty of Science and Stem Cell Institute📅 2026
Green synthesis of caffeine-catalyzed citric acid-PPG/PEG crosslinked alginate hydrogel scaffolds for prospective biomedical applications
Hategekimana F; Elçin AE; Elçin YM.
Pełny raport LAB →
#3🎓Faculty of Engineering and Technology (ITER)📅 2025
Thermo-acoustic investigation on mixtures of Tetramethyl ammonium hydroxide and caffeine in aqueous medium with the goal to understand…
Baral AK, Talukdar M, Singh S..
Pełny raport LAB →
#4🎓Federal University of Technology-Paraná📅 2025
Antibiofilm effect of caffeine against Listeria monocytogenes and Escherichia coli in grape and apple fruit juices
Dos Santos ARP; Lima BCS; Couto GJ; Carvalho L; Magna LR; Nogueira MH.
Pełny raport LAB →
#5🎓University of Kurdistan📅 2023
The ADORA2A TT Genotype Is Associated with Anti-Inflammatory Effects of Caffeine in Response to Resistance Exercise and Habitual…
Rahimi MR; Semenova EA; Larin AK; Kulemin NA; Generozov EV; Łubkowska B.
Pełny raport LAB →

BADANIA NAUKOWE

[1]EuropePMC2026
Eugenol-Based Epoxy Vitrimers: Caffeine and Zinc Acetate as Potential Alternative Catalysts in Curing Kinetics and Dynamic Network Properties
Becerra-Lovera A, Anaya-Mancipe J, Díaz-Martin R, Dias M, Souza D.. 2026. "Eugenol-Based Epoxy Vitrimers: Caffeine and Zinc Acetate as Potential Alternative Catalysts in Curing Kinetics and Dynamic Ne
Przejdź do pełnego badania ↗
[2]PubMed2025
Yerba mate (Ilex paraguariensis) genome provides new insights into convergent evolution of caffeine biosynthesis
Vignale FA; Hernandez Garcia A; Modenutti CP; Sosa EJ; Defelipe LA; Oliveira R. 2025. "Yerba mate (Ilex paraguariensis) genome provides new insights into convergent evolution of caffeine biosynthesis.
European Molecular Biology Laboratory - Hamburg Unit
Przejdź do pełnego badania ↗
[3]PubMed2024
Elevated neutrophils and uncontrolled asthma: the effects of caffeine, diet and co-morbidities
Tan BJ; Xiao B; Tan EK. 2024. "Elevated neutrophils and uncontrolled asthma: the effects of caffeine, diet and co-morbidities." The Journal of asthma : official journal of the Association for the Care
Singapore General Hospital Campus
Przejdź do pełnego badania ↗
[4]PubMed2024
Analytical insight into caffeine extraction from typica coffee leaves based on crystallinity enhancement, optical phonon vibration upshift, and…
Latunra AI; Heryanto H; Tahir D; Ardiansa A. 2024. "Analytical insight into caffeine extraction from typica coffee leaves based on crystallinity enhancement, optical phonon vibration upshift, and morp
Hasanuddin University
Przejdź do pełnego badania ↗
[5]EuropePMC2024
How Does the Powder Mixture of Ibuprofen and Caffeine Attenuate the Solubility of Ibuprofen? Comparative Study for the…
Suenaga S, Kataoka H, Hasegawa K, Koga R, Tsunoda C, Kuwashima W, Tsuchida T, Goto S.. 2024. "How Does the Powder Mixture of Ibuprofen and Caffeine Attenuate the Solubility of Ibuprofen? Comparative S
Przejdź do pełnego badania ↗
📊 Właściwości fizykochemiczne

Szybki przegląd

Wzór: C8H10N4O2
MW: 194.19 g/mol
CAS: 58-08-2
Wygląd: Białe, pryzmatyczne kryształy
Zapach: Bez zapachu

Właściwości szczegółowe

Uzupełnienie tabeli „Właściwości fizykochemiczne (baza danych)” poniżej — powtórzone wartości pokazujemy tylko raz.

Właściwość Wartość Jednostka Warunki Źródło
Temperatura wrzenia (bp) 177.8 °C at 760 mmHg (sublimes) (NTP, 1992) CAMEO Chemicals ↗
Prężność par 0.00000001 [mmHg][1] Haz-Map, Information on Hazardous Chemicals and Occupational Diseases ↗
🔬 Właściwości zaawansowane

Identyfikatory chemiczne

SMILES: Cn1cnc2c1c(=O)n(c(=O)n2C)C
InChI: InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3
InChIKey: RYYVLZVUVIJVGH-UHFFFAOYSA-N

Źródła danych: CAMEO Chemicals, Haz-Map, Information on Hazardous Chemicals and Occupational Diseases

Ostatnia aktualizacja: 2026-06-30

📚 Naukowe referencje (Chicago Author-Date) (1 źródeł)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ dotyczy: Prężność par
Status regulacyjny substancji
Ta substancja podlega wymogom regulacyjnym: gospodarka odpadami niebezpiecznymi (BDO). Szczegoly w sekcji "Status regulacyjny (REACH/ECHA/CLP)" oraz na karcie SDS. Informacja regulacyjna — nie ogranicza zakupu w sklepie.
🧮 Kalkulator stechiometrycznyMolGod_STOICH_1
🔍 Identyfikatory zewnętrzneMolGod_EXTID_1
15 z 16 systemów ID94%
BazaIdentyfikatorAkcje
CAS Registry Number58-08-2Otwórz →
PubChem CID2519[1]Otwórz →
InChIKeyRYYVLZVUVIJVGH-UHFFFAOYSA-N[1]Otwórz →
InChIInChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(…[1]
SMILESCn1cnc2c1c(=O)n(c(=O)n2C)C[1]
EC Number200-362-1[2]Otwórz →
DrugBankDB00201Otwórz →
KEGG CompoundD00528Otwórz →
HMDBHMDB0001847Otwórz →
ChemSpider2424[3]Otwórz →
CompTox DTXSID (EPA)DTXSID0020232[4]Otwórz →
MeSH UID (NLM)D002110Otwórz →
UNII (FDA)3G6A5W338EOtwórz →
NSC Number (NCI)5036Otwórz →
WikiData QIDQ60235Otwórz →

Źródła: PubChem (NIH), Wikidata SPARQL, KEGG, ChEMBL (EBI), CompTox CTX (EPA).

📚 Naukowe referencje (Chicago Author-Date) (4 źródeł)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ dotyczy: PubChem CID · InChIKey · InChI · SMILES
  2. ECHA. EC Inventory — EINECS, ELINCS, NLP and List Numbers assigned under REACH. Helsinki: European Chemicals Agency. ↗ dotyczy: EC Number
  3. ChemSpider. Royal Society of Chemistry, chemical structure database. ↗ dotyczy: ChemSpider
  4. U.S. EPA. CompTox Chemicals Dashboard — ToxCast/Tox21 high-throughput screening bioactivity summary (testing coverage, not a hazard finding). Washington, DC: U.S. Environmental Protection Agency. ↗ dotyczy: CompTox DTXSID (EPA)
📡 Spektroskopia — CAS 58-08-2MolGod_SPECHUB_MAIN
📊 Widma (NMR, IR, MS, UV-Vis) (1)

Dostępne typy widm: IR

Widmo IR (KBr, 4000-400 cm⁻¹)

440 punktów danych · Źródło: NIST WebBook · NIST ↗ · 📥 JCAMP-DX
🎓 Przewodnik interpretacji widm (dla studentów)
Jak czytać widmo IR
  • 3200-3600 cm⁻¹ — rozciąganie O-H (szeroki pik = wiązanie wodorowe)
  • 2850-3000 cm⁻¹ — rozciąganie C-H (sp³)
  • 1650-1750 cm⁻¹ — rozciąganie C=O (ketony, aldehydy, estry)
  • 1400-1600 cm⁻¹ — drgania pierścienia aromatycznego
  • 1000-1300 cm⁻¹ — rozciąganie C-O (etery, alkohole)
  • Brak absorpcji = brak grupy funkcyjnej → porównaj z referencją

Źródła: LibreTexts ↗, Silverstein (Spectrometric ID) ↗

📚 Naukowe referencje (Chicago Author-Date) (7 źródeł)
  1. National Institute of Standards and Technology. 2024. "NIST Chemistry WebBook, SRD 69." Gaithersburg, MD: NIST. Accessed 2025-01-01. ↗
  2. Spectral Database for Organic Structure Determination (SDBS). 2024. National Institute of Advanced Industrial Science and Technology (AIST), Japan. Accessed 2025-01-01. ↗
  3. Ulrich, Eldon L., Hideo Akutsu, John F. Doreleijers, Yoko Harano, Yannis E. Ioannidis, Jundong Lin, Miron Livny, et al. 2008. "BioMagResBank." Nucleic Acids Research 36 (D1): D402–D408. [DOI ↗]
  4. Horai, Hisayuki, Masanori Arita, Shigehiko Kanaya, Yoshito Nihei, Tasuku Ikeda, Kazuhiro Suwa, Yuya Ojima, et al. 2010. "MassBank: A Public Repository for Sharing Mass Spectral Data for Life Sciences." Journal of Mass Spectrometry 45 (7): 703–714. [DOI ↗]
  5. Linstrom, P.J., and W.G. Mallard, eds. 2024. NIST Chemistry WebBook, NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. ↗
  6. McDonald, M. Shane, Mike McAvoy, and Ajit Bhalerao. 1988. "JCAMP-DX: A Standard Form for Exchange of Infrared Spectra in Computer Readable Form." Applied Spectroscopy 42 (1): 151–162. [DOI ↗]
  7. PubChem. 2024. "PubChem Compound Database." National Library of Medicine, National Institutes of Health. Accessed 2025-01-01. ↗
📐 Właściwości fizykochemiczne (baza danych) 11 fields MolGod Score: Pierwszorzędne
Property Value Unit Conditions Source
Temperatura topnienia 235 [1][2][3] °C decomp. Merck Index 15th ed. (2013)
Temperatura wrzenia rozkłada się [1] — przed wrzeniem (decomp.) Merck Index 15th ed. (2013)
Rozpuszczalność w wodzie 21.7 [1][4] g/L 25°C Merck Index 15th ed. (2013)
Gęstość (ρ) 1.23 [1][2][3] g/cm³ 20°C Merck Index 15th ed. (2013)
UV λmax 273 [1] nm water Merck Index 15th ed. (2013)
UV εmax 9700 [1] M⁻¹·cm⁻¹ at λmax Merck Index 15th ed. (2013)
pKa₁ 14 [1] — Merck Index 15th ed. (2013)
pKa₂ -0.12 [1] — Merck Index 15th ed. (2013)
logP (oktanol/woda) -0.07 [1][2] — Merck Index 15th ed. (2013)
logD (pH 7) -0.07 [1] — pH 7 Merck Index 15th ed. (2013)
Ciepło właściwe (cp) 1.49 [1] J/(g·K) Merck Index 15th ed. (2013)
📚 Naukowe referencje (Chicago Author-Date) (4 źródeł)
  1. O'Neil, M.J., ed. The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals. 15th ed. Cambridge: Royal Society of Chemistry, 2013. dotyczy: Temperatura topnienia · Temperatura wrzenia · Rozpuszczalność w wodzie · Gęstość (ρ) · UV λmax · UV εmax · pKa₁ · pKa₂ · logP (oktanol/woda) · logD (pH 7) · Ciepło właściwe (cp)
  2. NLM. Hazardous Substances Data Bank (HSDB). National Library of Medicine. ↗ dotyczy: Temperatura topnienia · Gęstość (ρ) · logP (oktanol/woda)
  3. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ dotyczy: Temperatura topnienia · Gęstość (ρ)
  4. ECHA. European Chemicals Agency — harmonised classification inventory (CLP Annex VI). ↗ dotyczy: Rozpuszczalność w wodzie

Wartości fizykochemiczne pochodzą z niezależnych, recenzowanych źródeł wymienionych powyżej.

🔄 Konwerter jednostek stężeń LIVE MolGod_UNITCONV_1

Wpisz stężenie Kofeina w dowolnej jednostce — reszta obliczy się automatycznie.

MW: 194.19 g/mol · IUPAC Gold Book ↗

⚗️ Wzory konwersji + cytacje (per formuła)
KonwersjaWzórDokładnośćŹródło
% (w/v) ↔ molarityc (mol/L) = (% × 10) / MW±0.5% rel. when density ≈ 1.0 g/mLIUPAC (2019)
millimolar ↔ molarc (mol/L) = mM × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
molarity (mol/L)c = n/V = (m/MW)/V±0.1% (depends on MW precision)IUPAC (2019)
parts per million (mg/L) ↔ molarityc (mol/L) = ppm / (1000 × MW); equivalently ppm = mg/L for dilute aqueous±1% (density-independent for dilute solutions)IUPAC (2019)
mg/mL ↔ molarityc (mol/L) = (mg/mL × 1000) / MW / 1000 = mg/mL / MW × 1±0.2%Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
g/L ↔ molarityc (mol/L) = (g/L) / MW±0.1% (depends on MW precision)Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
mmol/L ↔ molarityc (mol/L) = mmol/L × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
Celsius ↔ KelvinT(K) = t(°C) + 273.15±0.01 K (ITS-90 scale)BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ FahrenheitT(°F) = T(°C) × 9/5 + 32±0.1 °FThompson A, Taylor BN (2008)
density-corrected % ↔ molarityc (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL±0.1% when ρ known to 3 decimalsCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
📚 Bibliografia (8 źródeł autorytatywnych)
  1. Thompson A, Taylor BN (2008). Guide for the Use of the International System of Units (SI). NIST Special Publication 811 · DOI: 10.6028/NIST.SP.811-2008
    → Primary SI standard for US scientific usage
  2. Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007). Quantities, Units and Symbols in Physical Chemistry — The IUPAC Green Book. RSC Publishing, 3rd ed. · DOI: 10.1039/9781847557889 · ISBN: 978-0-85404-433-7
    → Canonical IUPAC guide for chemistry quantities/units
  3. BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM · ↗
    → International SI definitions (incl. redefined kilogram 2019)
  4. ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 · ↗
    → General rules for physical quantities and units
  5. ISO/IEC (2019). Quantities and units — Part 9: Physical chemistry and molecular physics. International Organization for Standardization — ISO 80000-9:2019 · ↗
    → Concentration / molality / amount-of-substance conventions
  6. Tiesinga E, Mohr PJ, Newell DB, Taylor BN (2021). CODATA recommended values of the fundamental physical constants: 2018. Rev. Mod. Phys. 93(2):025010 · DOI: 10.1103/RevModPhys.93.025010
    → Avogadro, gas constant, molar volume (2019 SI revision)
  7. IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook
    → Definitions of mass fraction, molality, normality, ppm, activity
  8. Mills IM, Cvitaš T, Homann K, Kallay N, Kuchitsu K (1988). Quantities, Units and Symbols in Physical Chemistry. Blackwell Scientific Publications, 1st ed. · ISBN: 0-632-01773-5
    → Historical predecessor of IUPAC Green Book
🧪 Kreator przygotowania roztworu WIZARD MolGod_PREP_1
① Wybierz stężenie
② Objętość docelowa
③ Rozpuszczalnik

Obliczenia wg: IUPAC Gold Book ↗, Merck ↗

🔬 Przewodnik kontroli czystości Kontrola jakości

Verify reagent purity using standardized analytical methods. Select a test method below and enter your measurement results for automated calculation.

🛡️ Bezpieczeństwo — CAS 58-08-2MolGod_SAFEHUB_MAIN
Informacja o ograniczeniach danych. Informacje dotyczące bezpieczeństwa zawarte na tej stronie mają charakter informacyjny i nie zastępują pełnej karty charakterystyki (SDS). Przed użyciem produktu zapoznaj się z aktualną kartą charakterystyki producenta oraz wytycznymi GHS/CLP. Klasyfikacja CLP dotyczy czystej substancji bulk, nie preparatów handlowych.

Klasyfikacja GHS/CLP — Rozporządzenie (WE) nr 1272/2008 + UN GHS Rev. 9 (2021).

⚠ Uwaga (Warning)
GHS07 — Drażniące / szkodliwe
GHS07 Drażniące / szkodliwe

🚨 Zwroty wskazujące rodzaj zagrożenia (H)

  • H302 — Działa szkodliwie po połknięciu

🛡 Zwroty określające środki ostrożności (P)

  • P264 — Dokładnie umyć ręce po użyciu
  • P270 — Nie jeść, nie pić ani nie palić podczas używania produktu
  • P301+P312 — W PRZYPADKU POŁKNIĘCIA: W przypadku złego samopoczucia skontaktować się z OŚRODKIEM ZATRUĆ lub lekarzem
  • P330 — Wypłukać usta
  • P501 — Zawartość/pojemnik usuwać do upoważnionego punktu zbierania odpadów

✓ Klasyfikacja zharmonizowana zgodnie z załącznikiem VI do rozporządzenia CLP (WE) 1272/2008 (klasyfikacja urzędowa, wiążąca). Numer indeksowy: 613-086-00-5.

Referencja (Chicago): European Chemicals Agency. "caffeine, Index No. 613-086-00-5." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

⚠ IARC — Grupa 3: nieklasyfikowalny pod względem rakotwórczości (oceniony przez IARC). (Niezależna ocena dowodów rakotwórczości IARC/WHO — uzupełnia klasyfikację CLP powyżej.)
Referencja (Chicago): IARC. n.d. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 58-08-2. Lyon, France: International Agency for Research on Cancer, World Health Organization. https://monographs.iarc.who.int/list-of-classifications/.

Tłumaczenia: Rozporządzenie CLP (WE) 1272/2008, Załącznik III i IV. Dane: PubChem/NLM.

📚 Skonsolidowane referencje naukowe — Chicago Author-Date 10 źródeł

Referencje zebrane ze wszystkich zakładek Safety Hub. CAS: 58-08-2 · PubChem ↗

  1. Parlament Europejski i Rada UE. 2008. "Rozporządzenie (WE) nr 1272/2008 w sprawie klasyfikacji, oznakowania i pakowania substancji (CLP)." Dz.Urz. UE L 353. [↗] GHS, Regulacje
  2. United Nations Economic Commission for Europe (UNECE). 2021. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Ninth Revised Edition." United Nations, Geneva. [↗] GHS
  3. Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, et al.. 2019. "Goldfrank's Toxicologic Emergencies, 11th ed.." McGraw-Hill Education, New York. ISBN 978-1-25-985961-8. Pierwsza pomoc, Toksykologia
  4. National Institute for Occupational Safety and Health (NIOSH). 2023. "NIOSH Pocket Guide to Chemical Hazards (DHHS Publ. 2005-149)." U.S. Department of Health and Human Services / CDC, Cincinnati, OH. [↗] Pierwsza pomoc, PPE, Toksykologia
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗] PPE
  6. UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗] Utylizacja, Regulacje
  7. National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗] Magazynowanie
  8. Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗] Magazynowanie
  9. Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. [↗] Utylizacja
  10. International Agency for Research on Cancer (IARC / WHO). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans — List of Classifications." WHO, Lyon. [↗] Toksykologia

Zakładki z własnymi referencjami (Emergency, PPE, Storage, Waste) zawierają dodatkowe pozycje bibliograficzne wewnątrz swoich sekcji.

📈 Statystyka analityczna (t-test · RSD · Grubbs · Q-Dixon) ICH Q2

Wklej serię powtórzeń pomiarów (CSV lub po jednej liczbie w linii). Kalkulator policzy średnią, odchylenie, 95% CI, wykryje outliery (Grubbs + Dixon Q).

Separator: przecinek, spacja, tab, nowa linia. Min 3 pomiary.
📐 Formuły statystyczne
  • x̄ = Σxᵢ / n — średnia arytmetyczna
  • s² = Σ(xᵢ - x̄)² / (n-1) — wariancja próby
  • s = √s² — odchylenie standardowe
  • RSD% = (s / x̄) × 100% — względne odchylenie
  • CI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's t
  • G = |xᵢ - x̄| / s — test Grubbsa
  • Q = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-test

Źródło: ICH Q2(R2) Validation of Analytical Procedures · ICH PDF ↗

🧪 Kalkulator receptur buforów UNIKALNE
References: Wartości pKa z Goldberg NIST 81 · CRC Handbook 100th ed. · Stoll & Blanchard 1990 (DOI)

Wybierz bufor z listy 20 popularnych systemów → wprowadź docelowe pH → otrzymasz dokładny przepis z masami do odważenia.

Krok 1: Wybierz system buforowy

📜 Historia przepisów (ostatnie 10)
🚚 Klasyfikacja transportowa (ADR / IATA / IMDG)
✅ Nie podlega regulacjom transportowym

Substancja klasyfikowana jako nie-niebezpieczna dla transportu drogowego (ADR), lotniczego (IATA) i morskiego (IMDG).

Źródło: ADR 2025 (Not regulated)

🛣️ ADR Transport drogowy

Klasa:
Not regulated

Źródła: ADR 2025 ↗ · IATA DGR ↗ · IMDG Code ↗

📊 Walidacja metody HPLC (ICH Q2(R1)) PARTIAL

3 of 3 critical metrics need experimental data

Parametr Wartość Jednostka Kryterium ICH Q2 Status
Linearność (R²) brak danych unitless R² ≥ 0.999 (≥0.99 dla bioanalitycznej) —
LOD (S/N = 3:1) brak danych ng/mL S/N ≥ 3:1 (najniższe wykrywalne stężenie) —
LOQ (S/N = 10:1) brak danych ng/mL S/N ≥ 10:1 (LOQ ≥ 3×LOD typowo) —
Precyzja (RSD intraday, n=6) brak danych % RSD RSD ≤ 2% (intraday) / ≤ 3% (interday) dla API —
Dokładność (recovery, 3 poziomy) brak danych % (target 100±2%) Recovery 98-102% (target 100%) —
Zakres liniowości brak danych np. 0.1-100 ng/mL Min. 80-120% nominalnego stężenia —
Selektywność/Specyficzność brak danych qualitative Brak interferencji — pik analitu w pełni rozdzielony (Rs ≥ 2.0) —
Odporność (robustness) brak danych RSD < 2% przy ±5% wariacji RSD < 2% przy małych wariacjach parametrów —
Legenda: ✓ PASS ⚠ CAUTION ✗ FAIL — NO_DATA
📚 Naukowe referencje (Chicago Author-Date) — kliknij aby rozwinąć

Standardy walidacji metod analitycznych — 4 niezależne źródła (ICH + USP + AOAC + Snyder).

  1. International Conference on Harmonisation (ICH). 2005. Validation of Analytical Procedures: Text and Methodology Q2(R1). ICH Expert Working Group. [link ↗] — Gold-standard ICH guideline — accepted by EMA, FDA, MHLW, NMPA
  2. United States Pharmacopeia (USP) Convention. 2024. USP General Chapter <621> Chromatography. USP-NF 2024 ed. USP. [link ↗]
  3. AOAC International. 2016. Appendix F: Guidelines for Standard Method Performance Requirements. AOAC INTERNATIONAL. [link ↗] — AOAC SMPR — alternative to ICH Q2 for food/dietary supplements
  4. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. John Wiley & Sons. ISBN 978-0-470-16754-0. https://doi.org/10.1002/9780470508183 [link ↗] — Industry standard textbook — Chapter 11 covers method validation
  5. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. Practical HPLC Method Development. 2nd ed. Wiley. ISBN 978-0-471-00703-6. — Classic method-development reference (DryLab heritage).
  6. Rozet, Eric, et al.. 2013. Analysis of recent pharmaceutical regulatory documents on analytical method validation. https://doi.org/10.1016/j.chroma.2007.03.111 [link ↗] — Comparison of FDA / EMA / ICH validation expectations — used for ICH Q2(R1) interpretation.
  7. Heyden, Yvan Vander, et al.. 2009. Robustness of pharmaceutical liquid chromatographic methods. https://doi.org/10.1016/j.jchromb.2008.10.052 [link ↗] — Plackett-Burman design for robustness — basis of ICH Q2 §3.7.
  8. Dong, Michael W.. 2019. HPLC and UHPLC for Practicing Scientists. 2nd ed. Wiley. ISBN 978-1-119-31378-3. https://doi.org/10.1002/9781119313793 [link ↗] — Modern (UHPLC) update of validation chapter — practical RSD/LOD examples.
  9. Meyer, Veronika R.. 2010. Practical High-Performance Liquid Chromatography. 5th ed. Wiley. ISBN 978-0-470-68218-0. — European pharmacopeial perspective — complements USP/AOAC.
  10. Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. HPLC for Pharmaceutical Scientists. Wiley-Interscience. ISBN 978-0-471-68162-4. https://doi.org/10.1002/9780470087954 [link ↗] — Pharma-focused validation case studies (specificity, robustness).
  11. European Medicines Agency (EMA). 2011. Guideline on bioanalytical method validation EMEA/CHMP/EWP/192217/2009. EMA Committee for Medicinal Products for Human Use. [link ↗] — EMA bioanalytical companion to ICH Q2(R1) for clinical samples.

· ⚠ Ostrzeżenia regulacyjne SVHC/REACH ↑

🔧 Troubleshooting HPLC — drzewo decyzyjne 6 typowych problemów

Diagnostyka 6 najczęstszych problemów HPLC z drzewem decyzyjnym (5 kroków per problem). Źródło: Snyder/Kirkland/Dolan 3rd ed. Chapter 17 + LCGC LC Troubleshooting columns 1989-2024.

Poszerzone piki (broad peaks) medium

Objaw: Wszystkie piki na chromatogramie są szersze niż oczekiwane (FWHM > 2× normy)

🔍 Drzewo diagnostyczne:
  1. 1. Sprawdź czy wszystkie piki są poszerzone czy tylko niektóre
    → TAK: Wszystkie → problem instrumentalny (kolumna lub system)
    → NIE: Tylko niektóre → problem chemii (interakcja z kolumną dla konkretnych analitów)
  2. 2. Wymień kolumnę testową — czy problem znika?
    → TAK: KOLUMNA zużyta — packing zniszczony, void w pierwszych mm. Wymień.
    → NIE: Problem w systemie LC
  3. 3. Sprawdź volume martwy (dead volume) — pętla injekcyjna, połączenia, detektor
    → TAK: Pętla > 100 µL dla 4.6 mm kolumny lub luźne połączenia → wymień ferrules, krócej rurki
    → NIE: Continue diagnostyka
  4. 4. Test temperatury: zwiększ kolumnę z 25°C do 40°C
    → TAK: Piki węższe → kinetyka transferu masy zbyt wolna (zwiększ T)
    → NIE: Continue
  5. 5. Sprawdź flow rate vs optymalna van Deemter dla tej kolumny
    → TAK: Optimum dla 4.6mm/5µm = 1.0 mL/min, dla 2.1mm/3µm = 0.4 mL/min
    → NIE: Continue
⚠️ Typowe przyczyny:
  • Kolumna zużyta (>2000 injekcji bez guard)
  • Volume martwy systemu > 100 µL (zła pętla, długie rurki, luźne ferrules)
  • Temperatura zbyt niska (kinetyka transferu masy)
  • Flow rate poza optymalnym van Deemter
  • Próbka rozpuszczalnik silniejszy niż faza A
✓ Fixy:
  • ✓ Wymień kolumnę (gdy >2000 injekcji)
  • ✓ Sprawdź wszystkie połączenia — przewody jak najkrócej
  • ✓ Zwiększ T kolumny do 40°C (jeśli substancja stabilna)
  • ✓ Zmniejsz flow do optimum van Deemter
  • ✓ Rozpuść próbkę w fazie A (nie w pure organic)
Ogonowanie pików (tailing, T > 1.5) high

Objaw: Piki mają wydłużony "ogon" po stronie późnego eluowania (asymetria T = b/a > 1.5 wg USP)

🔍 Drzewo diagnostyczne:
  1. 1. Czy substancja zawiera grupy zasadowe (amino, pirydyna)?
    → TAK: Tak → silanowe interakcje! Dodaj 0.1% TFA lub 5-10 mM TEA do fazy A.
    → NIE: Continue
  2. 2. Sprawdź pH fazy mobilnej vs pKa substancji
    → TAK: pH = pKa ± 1 → częściowa jonizacja, peak split. Idź pH ≥ 2 jednostki od pKa.
    → NIE: Continue
  3. 3. Sprawdź wiek kolumny (>1500 injekcji?)
    → TAK: Tak → silanole odsłonięte (column bleed). Wymień kolumnę z higher endcapping (XTerra, Symmetry).
    → NIE: Continue
  4. 4. Czy próbka zawiera metale (Fe, Cu z fiolek szklanych)?
    → TAK: Tak → użyj fiolek bezbarwnych typu II lub PFA. EDTA 0.1mM do próbki.
    → NIE: Continue
⚠️ Typowe przyczyny:
  • Silanowe interakcje (zasadowy analit + silikażel free silanols)
  • pH na granicy pKa analitu (peak split)
  • Stara kolumna (column bleed, high silanol activity)
  • Metale w próbce (chelatacja → tailing)
  • Overload kolumny (>50 µg na 4.6mm column)
✓ Fixy:
  • ✓ Dodaj 0.1% TFA (UV) lub 0.1% formic acid (LC-MS) do fazy A
  • ✓ Wybierz kolumnę z high-purity endcapping: Waters XBridge BEH, Phenomenex Kinetex
  • ✓ Pracuj pH ≥ 2 jednostki od pKa
  • ✓ EDTA 0.1mM do próbki (chelatacja Fe/Cu)
  • ✓ Zmniejsz objętość injekcji ≤ 20 µL dla 4.6mm column
Dryf linii bazowej (baseline drift) medium

Objaw: Linia bazowa systematycznie rośnie lub maleje przez >5 minut

🔍 Drzewo diagnostyczne:
  1. 1. Czy używasz gradientu (B% rośnie)?
    → TAK: Tak → różny absorption faz A vs B przy dλ. Solvent change UV-cutoff. Sprawdź % organic UV-absorbance.
    → NIE: Continue (isokratyczny)
  2. 2. Sprawdź temperaturę kolumny — czy stabilna ±0.5°C?
    → TAK: Tak (stabilna) → continue
    → NIE: Niestabilna → włącz column thermostat (>25°C kontrolowane)
  3. 3. Test: wyłącz autosampler, jedź sam pump+kolumna+detektor
    → TAK: Drift znika → autosampler kontaminacja (czyszczenie igły, septum)
    → NIE: Continue
  4. 4. Sprawdź wiek lampy (D2 dla UV)
    → TAK: Tak (>1500 godzin) → wymień lampę
    → NIE: Continue
⚠️ Typowe przyczyny:
  • Gradient elution z różnym UV-cutoff faz
  • Niestabilna T kolumny
  • Autosampler kontaminacja igły/septum
  • Lampa UV stara (>1500h)
  • Detektor flow cell zabrudzona
  • Kolumna nie ekwilibrowana (<10 column volumes)
✓ Fixy:
  • ✓ Pre-equilibrate kolumnę 10-15 column volumes przy 100% A
  • ✓ Termostat kolumny on, T 30-40°C stabilne
  • ✓ Czyść flow cell detector roztworem 50:50 ACN:H2O
  • ✓ Wymień lampę D2 jeśli >1500h
  • ✓ Użyj baseline subtraction (chromeleon, Empower native function)
Brak piku / utracony pik (no peak) critical

Objaw: Spodziewany pik analitu nie pojawia się na chromatogramie

🔍 Drzewo diagnostyczne:
  1. 1. Czy injekcja faktycznie się wykonała?
    → TAK: Sprawdź log autosamplera, ciśnienie pump (powinno spadać przy injekcji)
    → NIE: Autosampler problem → sprawdź pętlę, igłę, próbkę w fiolce
  2. 2. Czy próbka jest w fiolce (objętość prawidłowa, nie wypiła)?
    → TAK: Continue
    → NIE: Brak próbki — re-pipetuj
  3. 3. Stabilność próbki — przygotowana >24h temu?
    → TAK: Tak → degradacja. Re-prepare świeżą próbkę.
    → NIE: Continue
  4. 4. Sprawdź długość fali detekcji vs λmax substancji
    → TAK: Detekcja przy λ NIE odpowiada λmax → brak sygnału. Skanuj DAD 200-400nm.
    → NIE: Continue
  5. 5. Test: injekcj pure standard (znanego stężenia, świeży)
    → TAK: Standard daje pik → problem z próbką (matryca, derywatyzacja)
    → NIE: Brak piku też ze standardem → problem systemu (kolumna, faza, gradient)
⚠️ Typowe przyczyny:
  • Próbka nie wzięta z fiolki (autosampler bug)
  • Próbka zdegradowana (>24h pH/temp/światło)
  • Detekcja przy złej długości fali
  • Faza ruchoma zła (np. zapomniany TFA)
  • Kolumna odwrócona / niewłaściwa faza stacjonarna
  • Substancja eluuje z front (V0) → niezatrzymywana, niewidoczna
✓ Fixy:
  • ✓ Re-prepare świeżą próbkę z exact protocolu
  • ✓ Skan UV-Vis DAD 200-400nm + szukanie λmax
  • ✓ Sprawdź skład fazy mobilnej — TFA dodany?
  • ✓ Test reverse direction kolumny (ostrożnie!)
  • ✓ Dla retention <1 min — zmień % B do niższego, MeOH instead of ACN
  • ✓ Sprawdź oczekiwany czas retencji w bazie metod wtyczki
Ciśnienie zbyt wysokie (pressure too high) critical

Objaw: Ciśnienie pomp > 80% maxa kolumny lub system shutdown z high-pressure error

🔍 Drzewo diagnostyczne:
  1. 1. Sprawdź czy kolumna jest podłączona prawidłowo (kierunek strzałki)
    → TAK: OK
    → NIE: Kolumna odwrócona → odwróć (nigdy nie pracować "do tyłu")
  2. 2. Test: wyłącz kolumnę z systemu, jedź sam pump+detektor
    → TAK: Ciśnienie spada do <50 bar → problem w kolumnie (zatkana)
    → NIE: Ciśnienie pozostaje wysokie → in-line filter zatkany, frit zabrudzony
  3. 3. Sprawdź pre-column filter (in-line frit)
    → TAK: Zabrudzony brunatny → wymień
    → NIE: Continue
  4. 4. Wstecz wymyj kolumnę 50:50 ACN:H2O bez kolumny — czy znika?
    → TAK: Particles stuck w pierwszym mm — flush 30 min może odzyskać
    → NIE: Wymień kolumnę
⚠️ Typowe przyczyny:
  • In-line filter (frit) zatkany cząstkami
  • Buffer salt out (precipitation w wysokim %B)
  • Próbka zawiera zawiesinę (filtruj 0.22 µm przed injekcją)
  • Kolumna zatkana (column bed compaction)
  • Gradient z fazą buffer + dużo organic → salt precipitation
✓ Fixy:
  • ✓ ZAWSZE filtruj próbkę 0.22 µm PVDF przed injekcją
  • ✓ Wymień in-line filter co 100 injekcji (lub gdy ciśnienie wzrasta >20%)
  • ✓ NIE używaj >20mM phosphate buffer + >70% ACN (sól wytrąca)
  • ✓ Flush kolumnę 30 min 50:50 ACN:H2O w odwrotnym kierunku (gdy producent dopuszcza)
  • ✓ Pre-column 4×3mm dla ochrony main column
Piki widmowe (ghost peaks) high

Objaw: Niewyjaśnione piki na chromatogramie nieobecne w kalibracji

🔍 Drzewo diagnostyczne:
  1. 1. Test: blank injection (czysty rozp. próbki)
    → TAK: Pojawia się ghost → kontaminacja systemu lub eluentów
    → NIE: Pojawia się tylko z próbką → matryca
  2. 2. Czy ghost rośnie z gradientem (eluuje przy wysokim %B)?
    → TAK: Tak → zatłoczona kolumna lub strong-retained from previous run
    → NIE: Niezależny od gradientu → autosampler carryover
  3. 3. Increase carryover wash (between injections)
    → TAK: Pomaga → carryover był winny. Mocniejszy wash protocol.
    → NIE: Continue
  4. 4. Pure water injection — czy jest pik?
    → TAK: Tak → kontaminacja water source (organic z systemu DI)
    → NIE: Continue
⚠️ Typowe przyczyny:
  • Carryover w autosampler igle/pętli
  • Kontaminacja eluentu (nawet HPLC-grade)
  • Strong-retained components z poprzednich biegów
  • Plastik w fiolkach (phthalates, PEG z kapturków)
  • Water DI niedoczyszczone
✓ Fixy:
  • ✓ Wzmocnij wash protocol: 100% B → 100% A → 50:50 (3 cycles)
  • ✓ Strong wash: DMSO 100% lub MeOH 100% przed kalibracją
  • ✓ Filtruj eluenty 0.22 µm PTFE w razie wątpliwości
  • ✓ Używaj amber glass + Teflon-line caps dla próbek
  • ✓ Periodic gradient ramp do 100% B przez 10 min (clean-out)
📚 Naukowe referencje (Chicago Author-Date) — kliknij aby rozwinąć
  1. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. John Wiley & Sons. Chapter 17 (Troubleshooting) pp. 559-616. ISBN 978-0-470-16754-0. https://doi.org/10.1002/9780470508183 [link ↗]
  2. Dolan, John W.. 2014. LC Troubleshooting (monthly column 1989-2024). LCGC North America. [link ↗] — John Dolan 35-letnia seria miesięcznych artykułów problemowych
  3. Kromidas, Stavros. 2017. HPLC Made to Measure: A Practical Handbook for Optimization. 2nd ed. Wiley-VCH. ISBN 978-3-527-31377-1. — Praktyczny przewodnik problem-solving dla labs analitycznych
  4. Dolan, John W.. 2013. When to Modify Method Conditions. 192-199. [link ↗] — Decision flow for changing flow rate / temperature / %B vs swapping columns.
  5. Dong, Michael W.. 2019. HPLC and UHPLC for Practicing Scientists. 2nd ed. Wiley. ISBN 978-1-119-31378-3. https://doi.org/10.1002/9781119313793 [link ↗] — Chapter 9 covers troubleshooting modern UHPLC systems (sub-2 µm particles).
  6. Meyer, Veronika R.. 2010. Practical High-Performance Liquid Chromatography. 5th ed. Wiley. ISBN 978-0-470-68218-0. — Solid step-by-step problem isolation chapter (eluents, columns, instruments).
  7. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. Practical HPLC Method Development. 2nd ed. Wiley. ISBN 978-0-471-00703-6. — Method-development companion volume with troubleshooting cross-refs.
  8. Carr, Peter W.. 2009. The new physical chemistry of HPLC. 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗] — Theoretical basis for diagnosing efficiency losses (mass-transfer, eddy diffusion).
  9. Heyden, Yvan Vander, et al.. 2009. Robustness of pharmaceutical liquid chromatographic methods. 2120-2129. https://doi.org/10.1016/j.jchromb.2008.10.052 [link ↗] — How to diagnose method failures vs. system failures (Plackett-Burman).
  10. Engelhardt, Heinz. 2014. 100 Years of Chromatography. 2nd ed. Wiley-VCH. ISBN 978-3-527-33473-5. — Historical context for ghost-peak phenomenology (silica chemistry).
🧪 Rozpuszczalność i kompatybilność z solwentami MolGod_SOLUB_1
Molekuła
Kofeina
Wzór
C8H10N4O2
logP (XLogP3)
-0.10
Masa (g/mol)
194.19
Polarność
Hydrofilowa (polarna)

⚠️ Estymacja HSP (literatura / group contribution). Dane orientacyjne — nie zastępują badań eksperymentalnych.

Ra < R₀ = dobra mieszalność · Ra < 1,5×R₀ = graniczna · powyżej = słaba (R₀ — promień sfery Hansena tej molekuły) Dla tej molekuły R₀ = 9.

Solwent Kompat. Ra Wizual GC-MS HPLC Zastosowania Referencje
Water (H₂O)21.7 g/L (pomiar)30.8
✗ NieA (aqueous) (RP)
buforhodowla komórkowaanalitycznyekstrakcja (hydrofilna)
Ethanol (EtOH)~ Śr.9.8
✗ NieA/B modifier (RP/NP)
ekstrakcjaspektroskopia (UV-Vis)syntezamodyfikator HPLC
Methanol (MeOH)~ Śr.12.9
✗ NieA/B (RP) (RP)
HPLC (eluent)LC-MSKarl FischerUV-transparent do 205 nm
Acetone~ Śr.10.1
✗ NieB modifier (NP)
GC headspacekrystalizacjaodtłuszczaniesynteza
Acetonitrile (ACN)~ Śr.13.5
✗ NieB (RP) (RP)
eluent HPLC (złoty standard)LC-MS (wolny cut-off UV 190 nm)analiza peptydów
DMSO+ Dobra7.3
✗ NieN/A (N/A)
NMR (d6-DMSO)biologia komórkowa (krioprezerwacja)dostarczanie lekówsynteza
THF+ Dobra8.6
✗ NieB (NP) (NP)
GPC/SEC (analiza polimerów)synteza Grignardametaloorganiczne
DCM (CH₂Cl₂)+ Dobra8.4
✓ TakB (NP) (NP)
ekstrakcjaNP-HPLCGC-MSkrystalizacja (anty-solwent)
Chloroform (CHCl₃)~ Śr.10.7
✓ TakN/A (toxic) (N/A)
NMR (CDCl3)ekstrakcja lipidów (metoda Folcha)NP-TLC
Hexane− Słaba18.9
✓ TakA (NP) (NP)
NP-HPLCekstrakcja olejów (lipidy)GC-MSTLC (NP)
Toluene− Słaba14.4
✓ TakB (NP) (NP)
NMR (d8-toluene)syntezasuszenie azeotropowe Dean-Stark
📚 Naukowe referencje dla solwentów (Chicago Author-Date) — kliknij aby rozwinąć

11 solwentów · 54 pełnych cytowań (NIST/CRC/IARC/Hansen/Reichardt/Smallwood/Wypych/Armarego/Snyder/GESTIS) — poniżej.

Water (H₂O)
  1. NIST — NIST Chemistry WebBook — Water (CAS 7732-18-5)
  2. CRC — CRC Handbook of Chemistry and Physics, 104th ed., Sec. 8 (Properties of Water)
  3. IAPWS — IAPWS Release on Static Dielectric Constant of Water
  4. Reichardt 2011 — Solvents and Solvent Effects in Organic Chemistry
  5. GESTIS — GESTIS Substance Database — Water
Ethanol (EtOH)
  1. NIST — NIST Chemistry WebBook — Ethanol (CAS 64-17-5)
  2. CRC — CRC Handbook — Ethanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — Ethanol eluotropic
  4. Smallwood — Handbook of Organic Solvent Properties — Ethanol
  5. GESTIS — GESTIS Substance Database — Ethanol
Methanol (MeOH)
  1. NIST — NIST Chemistry WebBook — Methanol (CAS 67-56-1)
  2. CRC — CRC Handbook — Methanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — MeOH eluotropic, eo=0.95
  4. GESTIS — GESTIS Substance Database — Methanol
Acetone
  1. NIST — NIST Chemistry WebBook — Acetone (CAS 67-64-1)
  2. CRC — CRC Handbook — Acetone physical & thermodynamic constants
  3. Hansen 2007 — Hansen Solubility Parameters — Acetone (dD=15.5, dP=10.4, dH=7.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Acetone
  5. GESTIS — GESTIS Substance Database — Acetone
Acetonitrile (ACN)
  1. NIST — NIST Chemistry WebBook — Acetonitrile (CAS 75-05-8)
  2. CRC — CRC Handbook — Acetonitrile constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — ACN gold-standard HPLC eluent
  4. Reichardt 2011 — Solvents and Solvent Effects — ACN dipolar aprotic
  5. GESTIS — GESTIS Substance Database — Acetonitrile
DMSO
  1. NIST — NIST Chemistry WebBook — DMSO (CAS 67-68-5)
  2. Wypych 2019 — Handbook of Solvents Vol. 1 — DMSO comprehensive properties
  3. Hansen 2007 — HSP — DMSO (dD=18.4, dP=16.4, dH=10.2)
  4. Reichardt 2011 — Solvents and Solvent Effects — DMSO E_T(30)=45.1, dipolar aprotic
  5. GESTIS — GESTIS Substance Database — DMSO
THF
  1. NIST — NIST Chemistry WebBook — THF (CAS 109-99-9)
  2. Armarego 2009 — Purification of Laboratory Chemicals — THF drying & peroxide test
  3. Hansen 2007 — Hansen Solubility Parameters — THF (dD=16.8, dP=5.7, dH=8.0)
  4. Smallwood — Handbook of Organic Solvent Properties — THF
  5. GESTIS — GESTIS Substance Database — Tetrahydrofuran
DCM (CH₂Cl₂)
  1. NIST — NIST Chemistry WebBook — Dichloromethane (CAS 75-09-2)
  2. IARC 71 — IARC Monograph 71 — DCM (Group 2A carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — DCM (dD=18.2, dP=6.3, dH=6.1)
  4. Reichardt 2011 — Solvents and Solvent Effects — DCM polarity index
  5. GESTIS — GESTIS Substance Database — Dichloromethane
Chloroform (CHCl₃)
  1. NIST — NIST Chemistry WebBook — Chloroform (CAS 67-66-3)
  2. IARC 73 — IARC Monograph 73 — Chloroform (Group 2B carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — CHCl3 (dD=17.8, dP=3.1, dH=5.7)
  4. Reichardt 2011 — Solvents and Solvent Effects — CHCl3 H-bond donor strength
  5. GESTIS — GESTIS Substance Database — Chloroform
n-Hexane
  1. NIST — NIST Chemistry WebBook — n-Hexane (CAS 110-54-3)
  2. ATSDR n-Hexane — ATSDR Toxicological Profile for n-Hexane — neuropatia obwodowa (n-Heksan NIE jest kancerogenem IARC)
  3. Hansen 2007 — Hansen Solubility Parameters — n-Hexane (dD=14.9, dP=0, dH=0)
  4. Snyder & Kirkland — Modern Liquid Chromatography — n-Hexane NP standard, eo=0.00
  5. GESTIS — GESTIS Substance Database — n-Hexane
Toluene
  1. NIST — NIST Chemistry WebBook — Toluene (CAS 108-88-3)
  2. IARC 71 — IARC Monograph 71 — Toluene
  3. Hansen 2007 — Hansen Solubility Parameters — Toluene (dD=18.0, dP=1.4, dH=2.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Toluene
  5. GESTIS — GESTIS Substance Database — Toluene
Teoria rozpuszczalności (zastosowane w przewidywaniu kompatybilności):
  1. Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — HSP triplet (dD, dP, dH) + wzór Ra.
  3. Stefanis, E., and C. Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." Int J Thermophys 29: 568–585. https://doi.org/10.1007/s10765-008-0415-z
  4. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solwatochromia.
  5. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
  6. Van Krevelen, D. W., and K. Te Nijenhuis. 2009. Properties of Polymers. 4th ed. Elsevier. https://doi.org/10.1016/B978-0-08-054819-7.X0001-5 — Hoftyzer–Van Krevelen group contribution dla dD/dP/dH z SMILES.
  7. Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — Kompletny tabularny zestaw 250+ rozpuszczalników (ε, μ, donicity, acceptor numbers).
  8. PubChem Compound Database — CAS 58-08-2 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

Kompletna bibliografia w akordeonie REFERENCJE (na dole strony) — Chicago Manual of Style 17th ed., Author-Date.

🧮 Kalkulatory laboratoryjne (8) MolGod_LABCALC_1
Rozcieńczenie (C₁V₁=C₂V₂)
Molarność (M=n/V)
pH Bufor (Henderson-Hasselbalch)
Beer-Lambert (A=εcl)
Masa → Mole
Stężenie % → M
ppm → mg/L
Temperatura C↔F↔K

Formuły zweryfikowane: IUPAC Gold Book ↗, DOI ↗

📊 Bazy widm spektroskopowych MolGod_SPECDB_3
📋 Generator protokołu laboratoryjnego MolGod_PROTOCOL_1

Protokół wygenerowany na podstawie: GHS SDS, Aldrich Lab Guide ↗

🏷️ Generator etykiety (QR) MolGod_LABEL_1
Kofeina• Caffeine / 1,3,7-Trimethylxanthine• CAS: 58-08-2• Wzór: C8H10N4O2• Masa: 194.19 g/molUWAGAZwroty wskazujące rodzaj zagrożenia (H):H302: Działa szkodliwie po połknięciuP301+P312 P330 P501 P264 P270WYŁĄCZNIE DO CELÓW LABORATORYJNYCH!DH ScientificScience first. Commerce as consequence.Nr partii: Masa netto: Data prod.:
⏳ Stability & Shelf Life Advisor Arrhenius
Methodology: Arrhenius equation k = A·exp(-Ea/RT). Cytat: Connors KA et al. 1986 · ICH Q1A(R2)

Wpisz warunki przechowywania → algorytm Arrheniusa przewidzi pozostałe stężenie, czas połowicznego rozkładu i rekomendację użycia.

Oznaki degradacji wizualne:
❄️ Zalecenia przechowywania
Temperature:
15-25°C
Container:
HDPE/glass, dry
Incompatible:
Strong oxidizers
🧪 Asystent przygotowania roztworu (Smart Prep) MolGod_PREP_2

Wpisz co chcesz przygotować — wygeneruję SOP

Przykłady poniżej — kliknij żeby wstawić:
Gotowe przepisy:
📚 Przegląd literatury naukowej — CAS 58-08-2MolGod_LITHUB_MAIN
⭐ Najważniejsze odkrycia (literatura naukowa) 7 publikacji
🏆 CAS 58-08-2 — multi-criteria ranking (W12): 30% cytowania · 20% recency · 20% topic · 15% historical · 15% open access.
  1. #1
    Nehlig, A. (2017) · Pharmacological Reviews
    Dlaczego ważne: Must-cite (kanon) · 620 cytowań
    SCORE 13.08 Farmakologia MUST-CITE Cytowań: 620 DOI ↗
  2. #2
    Actions of caffeine in the brain with special reference to factors that contribute to its widespread use
    Fredholm, B.B.; Bättig, K.; Holmén, J.; Nehlig, A.; Zvartau, E.E. (1999) · Pharmacological Reviews
    Dlaczego ważne: Must-cite (kanon) · wysoki impact (2950 cytowań)
    SCORE 12.66 Mechanizm MUST-CITE Cytowań: 2950
  3. #3
    Wikoff, D.; Welsh, B.T.; Henderson, R.; Brorby, G.P.; Britt, J. et al. (2018) · Food and Chemical Toxicology
    Dlaczego ważne: Must-cite (kanon) · 540 cytowań · przegląd
    SCORE 12.4 Przegląd MUST-CITE Cytowań: 540 DOI ↗
  4. #4
    Heckman, M.A.; Weil, J.; Gonzalez de Mejia, E. (2010) · Journal of Food Science
    Dlaczego ważne: Must-cite (kanon) · 850 cytowań · przegląd
    SCORE 10.59 Przegląd MUST-CITE Cytowań: 850 DOI ↗
  5. #5
    O'Callaghan, F.; Muurlink, O.; Reid, N. (2022) · Risk Management and Healthcare Policy
    Dlaczego ważne: Must-cite (kanon) · 190 cytowań
    SCORE 10.44 Farmakologia MUST-CITE Cytowań: 190 DOI ↗
  6. #6
    Cappelletti, S.; Piacentino, D.; Sani, G.; Aromatario, M. (2010) · Current Neuropharmacology
    Dlaczego ważne: Must-cite (kanon) · 480 cytowań
    SCORE 8.05 Farmakologia MUST-CITE Cytowań: 480 DOI ↗
  7. #7
    Belay, A.; Ture, K.; Redi, M.; Asfaw, A. (2008) · Food Chemistry
    Dlaczego ważne: Must-cite (kanon) · 280 cytowań
    SCORE 7.35 Analityka MUST-CITE Cytowań: 280 DOI ↗
📈 Gradient HPLC — optymalizator (LSS) SZABLON

Gradient oparty na PubChem XLogP3 + LSS (Snyder et al. 2010, ch. 9).

  • Kolumna: C18
  • Bufor: phosphate
  • Przepływ: 1 mL/min
  • logP: -0.1 (PubChem XLogP3)
  • Rampa: 5% → 95% B, 10 min
  • Całkowity czas analizy: 23 min
t (min) %A %B flow (mL/min) Komentarz
0 95 5 1 start (równowaga)
2 95 5 1 koniec hold init
12 5 95 1 koniec rampy LSS
17 5 95 1 mycie kolumny
18 95 5 1 powrót do init
23 95 5 1 reekwilibracja
📚 Naukowe referencje (Chicago Author-Date)
  1. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley. — Chapter 9 — gradient elution, LSS theory (cited as Snyder et al. 2010 in tool description).
  2. Schoenmakers, Peter J. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier. — Numerical optimization of gradient programs.
  3. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley. — Foundational LSS reference for the %B_init = 5 + 8·logP heuristic implemented here.
  4. Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. [DOI ↗] — Modern review of gradient retention models — basis for non-LSS extensions.
  5. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. [DOI ↗]
  6. Dong, Michael W. 2019. HPLC and UHPLC for Practicing Scientists. Wiley. https://doi.org/10.1002/9781119313793. — Modern UHPLC gradient programming, sub-2 µm scaling rules.
  7. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. [DOI ↗]
  8. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531. [DOI ↗] — Reference for orthogonal gradient design (2D-LC second dimension).
  9. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199.
  10. Meyer, Veronika R. 2010. Practical High-Performance Liquid Chromatography. Wiley. — Chapter 7 — practical gradient design with isokratyczny scouting.

REST: /wp-json/molgod/v1/hplc/gradient/58-08-2

🌈 Detektor + długość fali (UV/Vis) 273 nm
ZwiązekCaffeine
λmax273 nm
λmin245 nm
εmax (M⁻¹·cm⁻¹)9 700
Rozpuszczalnik (referencja)water
Sugerowana λ273 nm
Detektor zalecanyUV
AlternatywyPDA/DAD, MS, FLD

Źródło danych: Skoog 2017, p. 367

📚 Naukowe referencje (Chicago Author-Date) 10 refs

METODA Bibliografia metody

  1. Skoog, Douglas A., F. James Holler, and Stanley R. Crouch. 2017. "Principles of Instrumental Analysis." 7th ed. Cengage Learning. ISBN 978-1-305-57721-3.
  2. Perkampus, Heinz-Helmut. 1992. "UV-VIS Spectroscopy and Its Applications." Springer. ISBN 978-3-642-77479-9. →
  3. Sadek, Paul C.. 2002. "The HPLC Solvent Guide." 2nd ed. Wiley-Interscience. ISBN 978-0-471-41138-4.
  4. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. Wiley. ISBN 978-0-470-16754-0. →
  5. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. ISBN 978-1-119-31378-3. →
  6. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography." 5th ed. Wiley. ISBN 978-0-470-68218-0.
  7. Stoll, Dwight R., and Peter W. Carr. 2017. "Two-Dimensional Liquid Chromatography: A State of the Art Tutorial." Analytical Chemistry 89: 519-531 →
  8. Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 →
  9. Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. "HPLC for Pharmaceutical Scientists." Wiley-Interscience. ISBN 978-0-471-68162-4. →
  10. Kim, Sunghwan, et al.. 2023. "PubChem 2023 update." Nucleic Acids Research 51: D1373-D1380 →

REST: /wp-json/molgod/v1/hplc/detector/58-08-2

📐 Kalkulator symetrii piku HPLC (USP Tf / As)

Oblicz współczynnik ogonowości USP (T) oraz asymetrię (As) z połówkowych szerokości piku. Wprowadź a (lewa półszerokość) i b (prawa półszerokość) zmierzone na 5% lub 10% wysokości piku.

📚 References (Chicago Author-Date)
  1. USP General Chapter <621>. 2024. "Chromatography." United States Pharmacopeial Convention. [link ↗] — Defines USP Tailing Factor T = (a+b)/(2a) measured at 5% peak height.
  2. International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. [link ↗] — Tailing factor is a system suitability parameter (Section 6).
  3. Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." Analytical Chemistry 55: 730-737 https://doi.org/10.1021/ac00255a033 [link ↗] — Original asymmetry factor As = b/a at 10% height (Foley & Dorsey 1983).
  4. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." Wiley. https://doi.org/10.1002/9780470508183 [link ↗] — Chapter 2.4 — peak shape diagnostics and remedies.
  5. Dolan, John W.. 2003. "Peak tailing and resolution." LCGC North America 21: 610-614 [link ↗] — How tailing factor degrades effective resolution.
  6. Vivó-Truyols, Gabriel, and Hans-Gerd Janssen. 2010. "Probabilistic approach to peak deconvolution in chromatography." Analytical Chemistry 82: 8525-8531 https://doi.org/10.1021/ac101742z [link ↗] — Modern numerical deconvolution for asymmetric peaks.
  7. Kromidas, Stavros. 2017. "HPLC Made to Measure: A Practical Handbook for Optimization." Wiley-VCH. — Practical Tf and As thresholds for routine QC.
  8. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." Wiley. https://doi.org/10.1002/9781119313793 [link ↗]
  9. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography." Wiley.
  10. Heyden, Yvan Vander, et al.. 2009. "Robustness of pharmaceutical liquid chromatographic methods." Journal of Chromatography B 877: 2120-2129 https://doi.org/10.1016/j.jchromb.2008.10.052 [link ↗]
📊 Kalkulator rozdzielczości i liczby półek (Rs, N, H)

Oblicz rozdzielczość Rs, liczbę półek teoretycznych N oraz HETP (H) dla pary pików HPLC. Wprowadź czasy retencji, szerokości pików (na 50% lub na podstawie) i długość kolumny.

📚 References (Chicago Author-Date)
  1. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. John Wiley & Sons. ISBN 978-0-470-16754-0. https://doi.org/10.1002/9780470508183 [link ↗] — Chapter 2 covers resolution, plate count and HETP fundamentals (Snyder et al. 2010).
  2. USP General Chapter <621>. 2024. "Chromatography." USP-NF 2024 ed. United States Pharmacopeial Convention. [link ↗] — Defines Rs >= 1.5 acceptance criterion and N calculation methods.
  3. Dolan, John W.. 2003. "How much resolution is enough?." LCGC North America 21: 350-353 [link ↗] — Practical guidance on Rs targets for routine method development.
  4. Van Deemter, J. J., F. J. Zuiderweg, and A. Klinkenberg. 1956. "Longitudinal diffusion and resistance to mass transfer as causes of nonideality in chromatography." Chemical Engineering Science 5: 271-289 https://doi.org/10.1016/0009-2509(56)80003-1 [link ↗] — Origin of N = 5.54·(tr/w0.5)² half-height plate count formulation.
  5. Giddings, J. Calvin. 1965. "Dynamics of Chromatography, Part I: Principles and Theory." Marcel Dekker. ISBN 978-0-8247-1357-7. — Resolution equation Rs = (1/4)·√N·(α-1)/α·k/(1+k) (master equation).
  6. Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." Analytical Chemistry 55: 730-737 https://doi.org/10.1021/ac00255a033 [link ↗] — Skewed-peak corrections to apparent N.
  7. Knox, John H.. 1977. "Practical aspects of LC theory." Journal of Chromatographic Science 15: 352-364 https://doi.org/10.1093/chromsci/15.9.352 [link ↗]
  8. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772 https://doi.org/10.1016/j.chroma.2008.11.094 [link ↗]
  9. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. ISBN 978-1-119-31378-3. https://doi.org/10.1002/9781119313793 [link ↗]
  10. Meyer, Veronika R.. 2010. "Practical High-Performance Liquid Chromatography." 5th ed. Wiley. ISBN 978-0-470-68218-0.
🧪 System Suitability — kalkulator live (USP <621>)

Wprowadź dane z 5-6 wstrzyknięć (areas, tr, tailing, plates) — kalkulator policzy %RSD, średnie i sprawdzi zgodność z USP <621>. Możesz wkleić CSV (po przecinku) lub edytować pojedyncze wartości.

📚 References (Chicago Author-Date)
  1. USP General Chapter <621>. 2024. "Chromatography (System Suitability section)." USP-NF 2024 ed. United States Pharmacopeial Convention. [link ↗] — Defines RSD area < 2%, tailing < 2.0, N > 2000 acceptance criteria.
  2. International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. [link ↗] — Section 5.4 — system suitability is part of method validation.
  3. US Food and Drug Administration (FDA). 2018. "Reviewer Guidance: Validation of Chromatographic Methods." US Food and Drug Administration. [link ↗] — CDER reviewer perspective on chromatographic validation expectations.
  4. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." 3rd ed. Wiley. — Chapter 2 — system suitability fundamentals (RSD, Tf, N).
  5. Heyden, Yvan Vander, et al.. 2009. "Robustness of pharmaceutical liquid chromatographic methods." — Robustness vs. system suitability — design-of-experiments framework.
  6. Rozet, Eric, et al.. 2013. "Analysis of recent pharmaceutical regulatory documents on analytical method validation."
  7. European Medicines Agency (EMA). 2011. "Guideline on bioanalytical method validation EMEA/CHMP/EWP/192217/2009." EMA. [link ↗] — EMA companion guideline with bioanalytical SS criteria.
  8. Dong, Michael W.. 2019. "HPLC and UHPLC for Practicing Scientists." 2nd ed. Wiley. — UHPLC-specific suitability adjustments (n=5 vs. n=6).
  9. Kazakevich, Yuri V., and Rosario LoBrutto, eds.. 2007. "HPLC for Pharmaceutical Scientists." Wiley-Interscience.
  10. AOAC International. 2016. "Appendix F: Guidelines for Standard Method Performance Requirements." AOAC INTERNATIONAL. [link ↗] — Alternative SS thresholds for food/dietary samples.
🌍 Występowanie na świecie (3)MolGod_ABUND_1

Kluczowe regiony występowania naturalnego oraz miejsca produkcji przemysłowej dla CAS 58-08-2.

Bibliografia (Chicago)
  • U.S. Geological Survey. 2024. "Mineral Commodity Summaries 2024." https://pubs.usgs.gov/periodicals/mcs2024/.
  • British Geological Survey. 2023. "World Mineral Production 2018-2022." Keyworth: BGS.
  • International Energy Agency. 2023. "Critical Minerals Market Review 2023." https://www.iea.org/reports/critical-minerals-market-review-2023.
  • USGS. 2024. "Mineral Resources Online Spatial Data." U.S. Geological Survey. https://mrdata.usgs.gov/.
  • BGS. 2024. "World Mineral Statistics." British Geological Survey. https://www.bgs.ac.uk/mineralsuk/.
  • Emsley, John. 2001. "Nature's Building Blocks: An A-Z Guide to the Elements." Oxford University Press.
  • Wood, Eric J. 2013. "The Periodic Table and the Chemical Industry." Chemistry Education Research and Practice 14 (1): 5-16.
  • Tufte, Edward R. 2006. "Beautiful Evidence." Graphics Press.
  • Few, Stephen. 2009. "Now You See It: Simple Visualization Techniques for Quantitative Analysis." Analytics Press.
  • Mayer, Richard E. 2009. "Multimedia Learning." 2nd ed. Cambridge University Press.
⚗️ Jonizacja w funkcji pH (Henderson-Hasselbalch)MolGod_PHION_1

Typ: Zasada · pKa: 14

024681012140%50%100%% zjonizowany% niejonowypH
pH% jonowy% niejonowy
0100.0 %0.0 %
2100.0 %0.0 %
4100.0 %0.0 %
6100.0 %0.0 %
8100.0 %0.0 %
10100.0 %0.0 %
1299.0 %1.0 %
1450.0 %50.0 %
Źródła dla tej substancji (9)
  • CRC Handbook 91st ed.
    Lide, David R., ed. 2010. CRC Handbook of Chemistry and Physics. 91st ed. Boca Raton, FL: CRC Press.
  • CRC Handbook 105th ed.
    Rumble, John R., Thomas J. Bruno, Maria J. Doa, and Donald R. Burgess, eds. 2024. CRC Handbook of Chemistry and Physics. 105th ed. Boca Raton, FL: CRC Press.
  • NIST WebBook — link
    Linstrom, Peter J., and William G. Mallard, eds. 2024. NIST Chemistry WebBook. NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology.
  • PubChem CID 2519 — link
    Kim, Sunghwan, Jie Chen, Tiejun Cheng, Asta Gindulyte, Jia He, Siqian He, Qingliang Li, et al. 2023. "PubChem 2023 update." Nucleic Acids Research 51 (D1): D1373-D1380. PubChem CID 2519.
  • DrugBank DB00201 — link
    Knox, Craig, Mike Wilson, Christen M. Klinger, Mark Franklin, Eponine Oler, Alex Wilson, Allison Pon, et al. 2024. "DrugBank 6.0: the DrugBank Knowledgebase for 2024." Nucleic Acids Research 52 (D1): D1265-D1275. DrugBank ID DB00201.
  • ChEMBL CHEMBL113 — link
    Zdrazil, Barbara, Eloy Felix, Fiona Hunter, Emma J. Manners, James Blackshaw, Sybilla Corbett, Marleen de Veij, et al. 2024. "The ChEMBL Database in 2023." Nucleic Acids Research 52 (D1): D1180-D1192. ChEMBL ID CHEMBL113.
  • IUPAC
    Perrin, Douglas D. 1965. Dissociation Constants of Organic Bases in Aqueous Solution. IUPAC. London: Butterworths.
  • NIST
    Goldberg, Robert N., Nand Kishore, and Rebecca Lennen. 2002. "Thermodynamic Quantities for the Ionization Reactions of Buffers." Journal of Physical and Chemical Reference Data 31 (2): 231-370.
Bibliografia metody (Chicago)
  • Henderson, L. J. 1908. "Concerning the Relationship between the Strength of Acids and Their Capacity to Preserve Neutrality." American Journal of Physiology 21 (4): 173-179.
  • Hasselbalch, K. A. 1917. "Die Berechnung der Wasserstoffzahl des Blutes aus der freien und gebundenen Kohlensäure desselben." Biochemische Zeitschrift 78: 112-144.
  • Po, Henry N., and N. M. Senozan. 2001. "The Henderson-Hasselbalch Equation: Its History and Limitations." Journal of Chemical Education 78 (11): 1499-1503.
  • Avdeef, Alex. 2012. "Absorption and Drug Development: Solubility, Permeability, and Charge State." 2nd ed. Wiley.
  • Avdeef, Alex. 2007. "Solubility of sparingly-soluble ionizable drugs." Advanced Drug Delivery Reviews 59 (7): 568-590.
  • Volgyi, Gergely, et al. 2007. "Potentiometric and spectrophotometric pKa determination of water-insoluble compounds." Analytica Chimica Acta 583 (2): 418-428.
  • Fini, Adamo, Giuseppe Fazio, and Giuseppina Feroci. 1997. "Solubility and solubilization properties of non-steroidal anti-inflammatory drugs." Pharmaceutica Acta Helvetiae 70 (4): 305-318.
  • Mauger, John W., Anthony N. Paruta, and Robert J. Gerraughty. 1972. "Solubilities of sulfadiazine, sulfisomidine, and sulfadimethoxine." Journal of Pharmaceutical Sciences 61 (1): 94-97.
  • Lyman, Warren J., William F. Reehl, and David H. Rosenblatt. 1990. "Handbook of Chemical Property Estimation Methods." American Chemical Society.
  • Marcus, Yizhak. 1998. "The Properties of Solvents." Wiley.
  • Serjeant, E. P., and Boyd Dempsey. 1979. Ionisation Constants of Organic Acids in Aqueous Solution. IUPAC Chemical Data Series No. 23. Oxford: Pergamon Press.
  • Perrin, Douglas D. 1965. Dissociation Constants of Organic Bases in Aqueous Solution. IUPAC. London: Butterworths.
  • Goldberg, Robert N., Nand Kishore, and Rebecca Lennen. 2002. "Thermodynamic Quantities for the Ionization Reactions of Buffers." Journal of Physical and Chemical Reference Data 31 (2): 231-370.
  • Rumble, John R., Thomas J. Bruno, Maria J. Doa, and Donald R. Burgess, eds. 2024. CRC Handbook of Chemistry and Physics. 105th ed. Boca Raton, FL: CRC Press.
  • Lide, David R., ed. 2010. CRC Handbook of Chemistry and Physics. 91st ed. Boca Raton, FL: CRC Press.
  • Kim, Sunghwan, Jie Chen, Tiejun Cheng, Asta Gindulyte, Jia He, Siqian He, Qingliang Li, et al. 2023. "PubChem 2023 update." Nucleic Acids Research 51 (D1): D1373-D1380.
  • Knox, Craig, Mike Wilson, Christen M. Klinger, Mark Franklin, Eponine Oler, Alex Wilson, Allison Pon, et al. 2024. "DrugBank 6.0: the DrugBank Knowledgebase for 2024." Nucleic Acids Research 52 (D1): D1265-D1275.
  • Zdrazil, Barbara, Eloy Felix, Fiona Hunter, Emma J. Manners, James Blackshaw, Sybilla Corbett, Marleen de Veij, et al. 2024. "The ChEMBL Database in 2023." Nucleic Acids Research 52 (D1): D1180-D1192.
  • Kanehisa, Minoru, Miho Furumichi, Yoko Sato, Masayuki Kawashima, and Mari Ishiguro-Watanabe. 2023. "KEGG for taxonomy-based analysis of pathways and genomes." Nucleic Acids Research 51 (D1): D587-D592.
  • Linstrom, Peter J., and William G. Mallard, eds. 2024. NIST Chemistry WebBook. NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology.
  • Nelson, David L., and Michael M. Cox. 2017. Lehninger Principles of Biochemistry. 7th ed. New York: W. H. Freeman.
📈 Predyktor widma UV-VIS (200-400 nm) λmax 273 nm MolGod_UVVIS_1
0%25%50%75%100%200250300350400273 nmA = ε·c·lA / Aₘₐₓ (%)
ZwiązekCaffeine
λmax273 nm
λmin245 nm
εmax (M⁻¹·cm⁻¹)9 700
Rozpuszczalnik (zapytanie)water
Rozpuszczalnik (referencja)water
Stężenie (M)1e-4
Długość drogi (cm)1
FWHM krzywej56 nm

Model: krzywa Gaussa wycentrowana na λmax ze skalowaniem Beer-Lamberta A = ε · c · l. Transmitancja T = 10^(-A) · 100%.

📚 Naukowe referencje (Chicago Author-Date)
  1. Mansouri RA; Aboubakr EM; Alshaibi HF; Fouda WM; Banjabi AA; Al-Bazi MM. 2026. "Calcium Carbonate-Stabilized Nano-Caffeine Emulsion Attenuates Diabetic Cardiomyopathy via Antioxidant, Anti-Inflammatory, and Anti-Fibrotic Pathways in Type 2 Diabetic Rats with HPLC-Quantified Cardiac Caffeine Levels." International journal of nanomedicine. https://doi.org/10.2147/IJN.S573949. [DOI]
  2. Hategekimana F; Elçin AE; Elçin YM. 2026. "Green synthesis of caffeine-catalyzed citric acid-PPG/PEG crosslinked alginate hydrogel scaffolds for prospective biomedical applications." International journal of biological macromolecules. https://doi.org/10.1016/j.ijbiomac.2026.151850. [DOI]
  3. Becerra-Lovera A, Anaya-Mancipe J, Díaz-Martin R, Dias M, Souza D.. 2026. "Eugenol-Based Epoxy Vitrimers: Caffeine and Zinc Acetate as Potential Alternative Catalysts in Curing Kinetics and Dynamic Network Properties." .
  4. Baral AK, Talukdar M, Singh S.. 2025. "Thermo-acoustic investigation on mixtures of Tetramethyl ammonium hydroxide and caffeine in aqueous medium with the goal to understand their mutual interactions." . https://doi.org/10.1186/s13065-025-01684-y. [DOI]
  5. Dos Santos ARP; Lima BCS; Couto GJ; Carvalho L; Magna LR; Nogueira MH. 2025. "Antibiofilm effect of caffeine against Listeria monocytogenes and Escherichia coli in grape and apple fruit juices." Biofouling. https://doi.org/10.1080/08927014.2025.2515923. [DOI]
  6. Vignale FA; Hernandez Garcia A; Modenutti CP; Sosa EJ; Defelipe LA; Oliveira R. 2025. "Yerba mate (Ilex paraguariensis) genome provides new insights into convergent evolution of caffeine biosynthesis." eLife. https://doi.org/10.7554/eLife.104759. [DOI]
  7. Tan BJ; Xiao B; Tan EK. 2024. "Elevated neutrophils and uncontrolled asthma: the effects of caffeine, diet and co-morbidities." The Journal of asthma : official journal of the Association for the Care of Asthma. https://doi.org/10.1080/02770903.2024.2332924. [DOI]
  8. Latunra AI; Heryanto H; Tahir D; Ardiansa A. 2024. "Analytical insight into caffeine extraction from typica coffee leaves based on crystallinity enhancement, optical phonon vibration upshift, and morphological evolution." Journal of food science. https://doi.org/10.1111/1750-3841.17443. [DOI]
  9. Suenaga S, Kataoka H, Hasegawa K, Koga R, Tsunoda C, Kuwashima W, Tsuchida T, Goto S.. 2024. "How Does the Powder Mixture of Ibuprofen and Caffeine Attenuate the Solubility of Ibuprofen? Comparative Study for the Xanthine Derivatives to Recognize Their Intermolecular Interactions Using Fourier-Transform Infrared (FTIR) Spectra, Differential Scanning Calorimetry (DSC), and X-ray Powder Diffractometry (XRPD)." . https://doi.org/10.1021/acs.molpharmaceut.4c00429. [DOI]
  10. Rahimi MR; Semenova EA; Larin AK; Kulemin NA; Generozov EV; Łubkowska B. 2023. "The ADORA2A TT Genotype Is Associated with Anti-Inflammatory Effects of Caffeine in Response to Resistance Exercise and Habitual Coffee Intake." Nutrients. https://doi.org/10.3390/nu15071634. [DOI]
  11. Linstrom, Peter J., and William G. Mallard, eds. 2023. NIST Chemistry WebBook, NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. [DOI]
  12. Mayerhöfer, Thomas G., Samir Pahlow, and Jürgen Popp. 2020. "The Bouguer-Beer-Lambert Law: Shining Light on the Obscure." ChemPhysChem 21 (18): 2029-2046. [DOI]
  13. Skoog, Douglas A., F. James Holler, and Stanley R. Crouch. 2017. Principles of Instrumental Analysis. 7th ed. Boston: Cengage Learning. ISBN 978-1-305-57721-3.
  14. Lindon, John C., George E. Tranter, and David W. Koppenaal, eds. 2017. "Encyclopedia of Spectroscopy and Spectrometry." 3rd ed. Amsterdam: Academic Press. ISBN 978-0-12-803224-4.
  15. Field, Leslie D., Sev Sternhell, and John R. Kalman. 2013. "Organic Structures from Spectra." 5th ed. Chichester: Wiley. ISBN 978-1-119-96582-6.
  16. Reusch, William. 2013. "Virtual Textbook of Organic Chemistry: Spectroscopy." East Lansing, MI: Michigan State University.
  17. Lampman, Gary M., Donald L. Pavia, George S. Kriz, and James R. Vyvyan. 2010. "Spectroscopy." 4th ed. Belmont, CA: Cengage Learning. ISBN 978-0-495-88992-9.
  18. Kalsi, P. S. 2010. "Spectroscopy of Organic Compounds." 6th ed. New Delhi: New Age International. ISBN 978-81-224-2032-9.
  19. Williams, Dudley H., and Ian Fleming. 2008. "Spectroscopic Methods in Organic Chemistry." 6th ed. London: McGraw-Hill. ISBN 978-0-07-711559-0.
  20. Sadek, Paul C. 2002. The HPLC Solvent Guide. 2nd ed. Hoboken: Wiley. ISBN 978-0-471-41242-2.
  21. Banwell, Colin N., and Elaine M. McCash. 1994. "Fundamentals of Molecular Spectroscopy." 4th ed. London: McGraw-Hill. ISBN 978-0-07-707976-1.
  22. Perkampus, Heinz-Helmut. 1992. UV-VIS Spectroscopy and Its Applications. Berlin: Springer. https://doi.org/10.1007/978-3-642-77479-9.
  23. Fieser, Louis F. 1949. "Extension of Woodward's Rules for Prediction of Conjugated Diene Absorption." Journal of the American Chemical Society 71 (5): 1854-1857. [DOI]
  24. Woodward, Robert B. 1942. "Structure and the Absorption Spectra of Alpha,Beta-Unsaturated Ketones." Journal of the American Chemical Society 64 (1): 72-75. [DOI]
  25. Beer, August. 1852. "Bestimmung der Absorption des rothen Lichts in farbigen Flüssigkeiten." Annalen der Physik und Chemie 86: 78-88. https://doi.org/10.1002/andp.18521620505.
  26. Lambert, Johann Heinrich. 1760. Photometria. Augsburg: Sumptibus Vidae.

📖 Wartość λmax = 273 nm pochodzi z bazy/literatury. Brak niezależnego potwierdzenia krzyżowego (NIST / CrossRef / PubChem) — weryfikacja krzyżowa niedostępna.

REST: /wp-json/molgod/v1/spectra/uv-vis/58-08-2?solvent=water&path_length_cm=1

☣️ Toksyczność (LD50 / LC50) GHS Cat 3 — UmiarkowanaMolGod_LD50_1
LD50
192 mg/kg[1]
Gatunek / droga
Rat / doustnie
Klasyfikacja
Moderately toxic[2][3]
Skala GHS (Acute Toxicity, oral, mg/kg bw):
Cat 1 (≤5)
Cat 2 (5–50)
Cat 3 (50–300)
Cat 4 (300–2000)
Cat 5 (2000–5000)

Źródło: Peters 1967, Toxicol. Appl. Pharmacol.; ChemView (EPA 2024) (1967). CAS 58-08-2.

Dane LD50/LC50 są wyłącznie poglądowe; nie zastępują karty charakterystyki (SDS) ani oceny eksperta toksykologicznego. Klasyfikacja GHS dla drogi doustnej (mg/kg bw) wg UN GHS, 10. rev. 2023, Annex 1 §3.1.1.

Bibliografia (Chicago)
  1. U.S. EPA. 2024. "ChemView." Washington, DC: U.S. Environmental Protection Agency.
  2. United Nations. 2023. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS)." 10th rev. ed. New York: UN.
  3. Hodge, Harold C., and James H. Sterner. 1949. "Tabulation of toxicity classes." American Industrial Hygiene Association Quarterly 10 (4): 93-96.
Dalsze źródła (metodyka, nie cytowane bezpośrednio):
  • U.S. EPA. 2024. "ChemView." https://chemview.epa.gov/.
  • Lipnick, Robert L., et al. 1995. "Comparison of the up-and-down, conventional LD50, and fixed-dose acute toxicity procedures." Food and Chemical Toxicology 33 (3): 223-231.
  • ATSDR. 2024. "Toxicological Profiles." Agency for Toxic Substances and Disease Registry. https://www.atsdr.cdc.gov/.
  • Hayes, Wallace, and Claire L. Kruger, eds. 2014. "Hayes' Principles and Methods of Toxicology." 6th ed. CRC Press.
  • Lewis, Richard J. 2012. "Sax's Dangerous Properties of Industrial Materials." 12th ed. Wiley.
  • IARC. 2024. "Monographs on the Evaluation of Carcinogenic Risks to Humans." International Agency for Research on Cancer (per kryteria klasyfikacji rakotwórczości IARC Group 1/2A/2B).
  • Pohanish, Richard P. 2017. "Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens." 7th ed. Elsevier.
  • Bingham, Eula, Barbara Cohrssen, and Charles H. Powell, eds. 2012. "Patty's Toxicology." 6th ed. Wiley.
  • WHO. 2023. "Recommended Classification of Pesticides by Hazard." World Health Organization (zgodne z UN GHS Annex 1 §3.1.1).
⚠️ Interakcje lekowe (1)MolGod_DRUGINT_1

Znane interakcje farmakokinetyczne i farmakodynamiczne dla CAS 58-08-2 wg konsensusowych źródeł klinicznych. Niniejsze informacje są edukacyjne — nie zastępują konsultacji lekarskiej.

Skala evidence (Hansten & Horn)
A — randomized controlled trials · B — non-randomized clinical / PK studies · C — case reports · D — theoretical/mechanism-based
  • Teofilina
    UmiarkowaneEL: A
    CAS partnera: 58-55-9 · DrugBank DB00277 · PubChem 2153 · Papers: 8

    Mechanizm: Oba antagonizują receptory adenozynowe A1/A2A i hamują fosfodiesterazę (PDE3/4). Kofeina hamuje CYP1A2 i konkuruje o ten sam szlak metabolizmu co teofilina (demetylacja).

    Skutek kliniczny: Wzmożona stymulacja OUN, tachykardia, drżenia, bezsenność, ryzyko toksyczności teofiliny (drgawki, arytmie).

    Postępowanie: Ograniczyć kofeinę < 200 mg/d podczas terapii teofiliną. Monitorować stężenie teofiliny (terapeutyczne 5–15 μg/mL).

    Źródło: Stockley 2021; Indiana University P450 Table
Bibliografia (Chicago)
  • Hansten, Philip D., and John R. Horn. 2024. "The Top 100 Drug Interactions: A Guide to Patient Management." H&H Publications.
  • Stockley, Ivan H., ed. 2021. "Stockley's Drug Interactions." 12th ed. Pharmaceutical Press.
  • Indiana University. 2024. "P450 Drug Interaction Table." https://drug-interactions.medicine.iu.edu/.
  • Lexicomp. 2024. "Lexicomp Drug Interactions Database." Wolters Kluwer.
  • U.S. FDA. 2023. "Drug Development and Drug Interactions Table of Substrates, Inhibitors and Inducers." https://www.fda.gov/drugs/drug-interactions-labeling/drug-development-and-drug-interactions-table-substrates-inhibitors-and-inducers.
  • Goldfrank, Lewis R., et al. 2019. "Goldfrank's Toxicologic Emergencies." 11th ed. McGraw-Hill (rozdz. Drug Interactions — synergie + antagonizmy w zatruciach mieszanych).
  • Olson, Kent R., et al. 2018. "Poisoning & Drug Overdose." 7th ed. McGraw-Hill (kliniczne management interakcji w przedawkowaniu).
  • Dollery, Colin, ed. 1999. "Therapeutic Drugs." 2nd ed. Churchill Livingstone (monografia źródłowa o interakcjach lek-lek na poziomie farmakokinetyki).
  • Rosenstock, Linda, et al. 2005. "Textbook of Clinical Occupational and Environmental Medicine." 2nd ed. Elsevier Saunders (occupational + drug exposure interakcje).
  • Lippmann, Morton. 2009. "Environmental Toxicants: Human Exposures and Their Health Effects." 3rd ed. Wiley (modulacja CYP3A4/CYP2D6 przez ekspozycje środowiskowe).
  • Hayes, Wallace, and Claire L. Kruger, eds. 2014. "Hayes' Principles and Methods of Toxicology." 6th ed. CRC Press (in vitro screening DDI: rola P-gp, BCRP).
🧪 Klasyczne szlaki syntezy2 historyczne trasyMolGod_SYNTH_2

Zweryfikowane historycznie trasy syntezy. Cytaty w stylu Chicago author-date.

Trasa 1: Extraction from Camellia sinensis (tea leaves) (1820)
Substraty: Dried tea or coffee biomass; hot water then dichloromethane partition
Warunki: Hot water decoction 95 C; CH2Cl2 liquid-liquid extraction; sublimation purification
Wydajność: 3.5 %
Runge, Friedlieb Ferdinand. 1820. "Über einige neue Pflanzenstoffe." Annalen der Physik 65 (4): 449-462.
Trasa 2: Traube purine synthesis (1900)
Reakcja nazwana: Traube purine synthesis
Substraty: Urea + cyanoacetic acid; methylation with dimethyl sulfate
Warunki: Cyclization with formamide 180 C; sequential N-methylation in basic media
Wydajność: 75.0 %
Traube, Wilhelm. 1900. "Der synthetische Aufbau der Harnsäure, des Xanthins, Theobromins, Theophyllins und Caffeins aus der Cyanessigsäure." Berichte der deutschen chemischen Gesellschaft 33 (3): 3035-3056.
Bibliografia ogólna (Chicago):
  • March, Jerry, and Michael B. Smith. 2020. "March's Advanced Organic Chemistry: Reactions, Mechanisms, and Structure." 8th ed. Wiley.
  • Carey, Francis A., and Richard J. Sundberg. 2007. "Advanced Organic Chemistry, Part B: Reactions and Synthesis." 5th ed. Springer.
  • Corey, E. J., and Xue-Min Cheng. 1995. "The Logic of Chemical Synthesis." Wiley.
  • Greene, Theodora W., and Peter G. M. Wuts. 2014. "Greene's Protective Groups in Organic Synthesis." 5th ed. Wiley.
  • Smith, Michael B. 2020. "Organic Synthesis." 4th ed. Academic Press.
  • Carey, Francis A., and Richard J. Sundberg. 2007. "Advanced Organic Chemistry, Part A: Structure and Mechanisms." 5th ed. New York: Springer.
  • Anslyn, Eric V., and Dennis A. Dougherty. 2006. Modern Physical Organic Chemistry. Sausalito, CA: University Science Books.
  • Bretherick, Leslie. 1990. Bretherick's Handbook of Reactive Chemical Hazards. 4th ed. London: Butterworths.
  • Urben, Peter, ed. 2017. Bretherick's Handbook of Reactive Chemical Hazards. 8th ed. Oxford: Butterworth-Heinemann.
  • Yoshida, Tadao, Yusaku Iwata, Hiroshi Itoh, and Mitsuru Arai. 2009. Safe Storage of Reactive Chemicals. New York: Plenum Press.
  • Mortimer, Charles E. 2005. Chemistry: A Conceptual Approach. 9th ed. Belmont, CA: Wadsworth.
  • Engel, Thomas, and Philip Reid. 2013. Physical Chemistry. 3rd ed. Boston: Pearson.
  • Steinfeld, Jeffrey I., Joseph S. Francisco, and William L. Hase. 1998. Chemical Kinetics and Dynamics. 2nd ed. Upper Saddle River, NJ: Prentice Hall.
  • Houston, Paul L. 2001. Chemical Kinetics and Reaction Dynamics. New York: McGraw-Hill.
  • Eyring, Henry. 1935. "The Activated Complex in Chemical Reactions." Journal of Chemical Physics 3 (2): 107–115. https://doi.org/10.1063/1.1749604.
  • Kresge, A. Jerry. 2001. "Reaction kinetics in 100-year-old laboratories." Chemical Society Reviews 30 (4): 197–200. https://doi.org/10.1039/B100445F.
  • Brönsted, J. N. 1929. "Acid and Basic Catalysis." Chemical Reviews 5 (3): 231–338. https://doi.org/10.1021/cr60019a001.
  • Larock, Richard C. 2018. Comprehensive Organic Transformations: A Guide to Functional Group Preparations. 3rd ed. Hoboken, NJ: John Wiley & Sons.
  • Mundy, Bradford P., Michael G. Ellerd, and Frank G. Favaloro Jr. 2005. Name Reactions and Reagents in Organic Synthesis. 2nd ed. Hoboken, NJ: Wiley-Interscience.
  • Li, Jie Jack. 2014. Name Reactions: A Collection of Detailed Mechanisms and Synthetic Applications. 5th ed. Heidelberg: Springer.
  • Kürti, László, and Barbara Czakó. 2005. Strategic Applications of Named Reactions in Organic Synthesis. Burlington, MA: Elsevier Academic Press.
  • Trost, Barry M., and Ian Fleming, eds. 1991. Comprehensive Organic Synthesis: Selectivity, Strategy, and Efficiency in Modern Organic Chemistry. 9 vols. Oxford: Pergamon Press.
  • Ojima, Iwao, ed. 2010. Catalytic Asymmetric Synthesis. 3rd ed. Hoboken, NJ: John Wiley & Sons.
  • Jacobsen, Eric N., Andreas Pfaltz, and Hisashi Yamamoto, eds. 1999. Comprehensive Asymmetric Catalysis. 3 vols. Berlin: Springer.
  • Hartwig, John F. 2010. Organotransition Metal Chemistry: From Bonding to Catalysis. Sausalito, CA: University Science Books.
  • Crabtree, Robert H. 2014. The Organometallic Chemistry of the Transition Metals. 6th ed. Hoboken, NJ: John Wiley & Sons.
  • Negishi, Ei-ichi, ed. 2002. Handbook of Organopalladium Chemistry for Organic Synthesis. 2 vols. New York: Wiley-Interscience.
  • de Meijere, Armin, and François Diederich, eds. 2004. Metal-Catalyzed Cross-Coupling Reactions. 2nd ed. 2 vols. Weinheim: Wiley-VCH.
  • Berkessel, Albrecht, and Harald Gröger. 2005. Asymmetric Organocatalysis: From Biomimetic Concepts to Applications in Asymmetric Synthesis. Weinheim: Wiley-VCH.
  • Dalko, Peter I., ed. 2007. Enantioselective Organocatalysis: Reactions and Experimental Procedures. Weinheim: Wiley-VCH.
  • List, Benjamin, Richard A. Lerner, and Carlos F. Barbas III. 2000. "Proline-catalyzed direct asymmetric aldol reactions." Journal of the American Chemical Society 122 (10): 2395–2396. https://doi.org/10.1021/ja994280y.
  • MacMillan, David W. C. 2008. "The advent and development of organocatalysis." Nature 455 (7211): 304–308. https://doi.org/10.1038/nature07367.
  • Noyori, Ryōji. 2002. "Asymmetric catalysis: science and opportunities (Nobel lecture)." Angewandte Chemie International Edition 41 (12): 2008–2022. https://doi.org/10.1002/1521-3773(20020617)41:12<2008::AID-ANIE2008>3.0.CO;2-4.
  • Sharpless, K. Barry. 2002. "Searching for new reactivity (Nobel lecture)." Angewandte Chemie International Edition 41 (12): 2024–2032. https://doi.org/10.1002/1521-3773(20020617)41:12<2024::AID-ANIE2024>3.0.CO;2-O.
  • Knowles, William S. 2002. "Asymmetric hydrogenations (Nobel lecture)." Angewandte Chemie International Edition 41 (12): 1998–2007. https://doi.org/10.1002/1521-3773(20020617)41:12<1998::AID-ANIE1998>3.0.CO;2-8.
  • Grubbs, Robert H. 2006. "Olefin-metathesis catalysts for the preparation of molecules and materials (Nobel lecture)." Angewandte Chemie International Edition 45 (23): 3760–3765. https://doi.org/10.1002/anie.200600680.
  • Schrock, Richard R. 2006. "Multiple metal-carbon bonds for catalytic metathesis reactions (Nobel lecture)." Angewandte Chemie International Edition 45 (23): 3748–3759. https://doi.org/10.1002/anie.200600085.
  • Suzuki, Akira. 2011. "Cross-coupling reactions of organoboranes: an easy way to construct C-C bonds (Nobel lecture)." Angewandte Chemie International Edition 50 (30): 6722–6737. https://doi.org/10.1002/anie.201101379.
  • Negishi, Ei-ichi. 2011. "Magical power of transition metals: past, present, and future (Nobel lecture)." Angewandte Chemie International Edition 50 (30): 6738–6764. https://doi.org/10.1002/anie.201101380.
  • List, Benjamin, and David W. C. MacMillan. 2022. "Asymmetric organocatalysis (Nobel lecture)." Angewandte Chemie International Edition 61 (38): e202205927. https://doi.org/10.1002/anie.202205927.
  • Bertozzi, Carolyn R., Morten Meldal, and K. Barry Sharpless. 2023. "Click chemistry and bioorthogonal chemistry (Nobel lectures)." Angewandte Chemie International Edition 62 (16): e202300332. https://doi.org/10.1002/anie.202300332.
  • Weissermel, Klaus, and Hans-Jürgen Arpe. 2003. Industrial Organic Chemistry. 4th ed. Weinheim: Wiley-VCH.
  • Wittcoff, Harold A., Bryan G. Reuben, and Jeffrey S. Plotkin. 2013. Industrial Organic Chemicals. 3rd ed. Hoboken, NJ: John Wiley & Sons.
  • Appl, Max. 2006. "Ammonia, 2. Production Processes." In Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. https://doi.org/10.1002/14356007.o02_o11.
  • Thiemann, Michael, Erich Scheibler, and Karl Wilhelm Wiegand. 2000. "Nitric Acid, Nitrous Acid, and Nitrogen Oxides." In Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. https://doi.org/10.1002/14356007.a17_293.
  • Hocking, Martin B. 2005. Handbook of Chemical Technology and Pollution Control. 3rd ed. Burlington, MA: Academic Press.
  • Corey, E. J., and László Kürti. 2010. Enantioselective Chemical Synthesis: Methods, Logic, and Practice. Direct Book Publishing.
  • Nicolaou, K. C., and E. J. Sorensen. 1996. Classics in Total Synthesis: Targets, Strategies, Methods. Weinheim: VCH.
  • Nicolaou, K. C., and Jason S. Chen. 2011. Classics in Total Synthesis III: Further Targets, Strategies, Methods. Weinheim: Wiley-VCH.
  • House, Herbert O. 1972. Modern Synthetic Reactions. 2nd ed. Menlo Park, CA: W. A. Benjamin.
  • Organic Syntheses, Inc. 2024. "Organic Syntheses Collective Volumes 1–10 (1932–2004) and Annual Volumes 1–100 (1922–2024)." Hoboken, NJ: Wiley. https://www.orgsyn.org/.
  • Paquette, Leo A., David Crich, Philip L. Fuchs, Gary A. Molander, and Andre B. Charette, eds. 2009. Encyclopedia of Reagents for Organic Synthesis (e-EROS). 2nd ed. Hoboken, NJ: Wiley. https://onlinelibrary.wiley.com/doi/book/10.1002/047084289X.
Bibliografia rozszerzona — 4 źródeł (PubMed/CrossRef/EuropePMC)
  • PUBMansouri RA; Aboubakr EM; Alshaibi HF; Fouda WM; Banjabi AA; Al-Bazi MM. 2026. "Calcium Carbonate-Stabilized Nano-Caffeine Emulsion Attenuates Diabetic Cardiomyopathy via Antioxidant, Anti-Inflammatory, and Anti-Fibrotic Pathways in Type 2 Diabetic Rats with HPLC-Quantified Cardiac Caffeine Levels." International journal of nanomedicine. https://doi.org/10.2147/IJN.S573949.
  • PUBHategekimana F; Elçin AE; Elçin YM. 2026. "Green synthesis of caffeine-catalyzed citric acid-PPG/PEG crosslinked alginate hydrogel scaffolds for prospective biomedical applications." International journal of biological macromolecules. https://doi.org/10.1016/j.ijbiomac.2026.151850.
  • EURBecerra-Lovera A, Anaya-Mancipe J, Díaz-Martin R, Dias M, Souza D.. 2026. "Eugenol-Based Epoxy Vitrimers: Caffeine and Zinc Acetate as Potential Alternative Catalysts in Curing Kinetics and Dynamic Network Properties." .
  • EURBaral AK, Talukdar M, Singh S.. 2025. "Thermo-acoustic investigation on mixtures of Tetramethyl ammonium hydroxide and caffeine in aqueous medium with the goal to understand their mutual interactions." . https://doi.org/10.1186/s13065-025-01684-y.
💎 Formy krystaliczne / Polimorfy 3 formy w bazie MolGod_POLYMORPH_2
Forma Grupa przestrzenna Komórka (Å, °) Gęstość (g/cm³) T.t. (°C) CCDC
alpha (anhydrous) stabilna R-3c a=14.95 b=14.95 c=6.958 · α=90 β=90 γ=120 · Z=6 1.454 236.0 NIWFEE DOI
beta (monohydrate) P21/n a=14.878 b=16.718 c=3.97 · α=90 β=97.04 γ=90 · Z=4 1.425 178.0 CAFINE DOI
beta-anhydrous (high-T) P21/c a=14.942 b=6.955 c=14.652 · α=90 β=96.18 γ=90 · Z=8 1.450 235.0 NIWFEE01 DOI

Źródło: Cambridge Structural Database (CSD) + literatura pierwotna. Polimorfizm wpływa na rozpuszczalność, biodostępność i stabilność (Brittain 2009; Bernstein 2020).

Bibliografia rozszerzona — 6 źródeł (PubMed/CrossRef/EuropePMC)
  • PUBDos Santos ARP; Lima BCS; Couto GJ; Carvalho L; Magna LR; Nogueira MH. 2025. "Antibiofilm effect of caffeine against Listeria monocytogenes and Escherichia coli in grape and apple fruit juices." Biofouling. https://doi.org/10.1080/08927014.2025.2515923.
  • PUBVignale FA; Hernandez Garcia A; Modenutti CP; Sosa EJ; Defelipe LA; Oliveira R. 2025. "Yerba mate (Ilex paraguariensis) genome provides new insights into convergent evolution of caffeine biosynthesis." eLife. https://doi.org/10.7554/eLife.104759.
  • PUBTan BJ; Xiao B; Tan EK. 2024. "Elevated neutrophils and uncontrolled asthma: the effects of caffeine, diet and co-morbidities." The Journal of asthma : official journal of the Association for the Care of Asthma. https://doi.org/10.1080/02770903.2024.2332924.
  • PUBLatunra AI; Heryanto H; Tahir D; Ardiansa A. 2024. "Analytical insight into caffeine extraction from typica coffee leaves based on crystallinity enhancement, optical phonon vibration upshift, and morphological evolution." Journal of food science. https://doi.org/10.1111/1750-3841.17443.
  • EURSuenaga S, Kataoka H, Hasegawa K, Koga R, Tsunoda C, Kuwashima W, Tsuchida T, Goto S.. 2024. "How Does the Powder Mixture of Ibuprofen and Caffeine Attenuate the Solubility of Ibuprofen? Comparative Study for the Xanthine Derivatives to Recognize Their Intermolecular Interactions Using Fourier-Transform Infrared (FTIR) Spectra, Differential Scanning Calorimetry (DSC), and X-ray Powder Diffractometry (XRPD)." . https://doi.org/10.1021/acs.molpharmaceut.4c00429.
  • PUBRahimi MR; Semenova EA; Larin AK; Kulemin NA; Generozov EV; Łubkowska B. 2023. "The ADORA2A TT Genotype Is Associated with Anti-Inflammatory Effects of Caffeine in Response to Resistance Exercise and Habitual Coffee Intake." Nutrients. https://doi.org/10.3390/nu15071634.
📚 Referencje naukowe (Chicago Author-Date)
  1. Mansouri RA; Aboubakr EM; Alshaibi HF; Fouda WM; Banjabi AA; Al-Bazi MM. 2026. "Calcium Carbonate-Stabilized Nano-Caffeine Emulsion Attenuates Diabetic Cardiomyopathy via Antioxidant, Anti-Inflammatory, and Anti-Fibrotic Pathways in Type 2 Diabetic Rats with HPLC-Quantified Cardiac Caffeine Levels." International journal of nanomedicine. https://doi.org/10.2147/IJN.S573949. [DOI]
  2. Hategekimana F; Elçin AE; Elçin YM. 2026. "Green synthesis of caffeine-catalyzed citric acid-PPG/PEG crosslinked alginate hydrogel scaffolds for prospective biomedical applications." International journal of biological macromolecules. https://doi.org/10.1016/j.ijbiomac.2026.151850. [DOI]
  3. Becerra-Lovera A, Anaya-Mancipe J, Díaz-Martin R, Dias M, Souza D.. 2026. "Eugenol-Based Epoxy Vitrimers: Caffeine and Zinc Acetate as Potential Alternative Catalysts in Curing Kinetics and Dynamic Network Properties." .
  4. Baral AK, Talukdar M, Singh S.. 2025. "Thermo-acoustic investigation on mixtures of Tetramethyl ammonium hydroxide and caffeine in aqueous medium with the goal to understand their mutual interactions." . https://doi.org/10.1186/s13065-025-01684-y. [DOI]
  5. Dos Santos ARP; Lima BCS; Couto GJ; Carvalho L; Magna LR; Nogueira MH. 2025. "Antibiofilm effect of caffeine against Listeria monocytogenes and Escherichia coli in grape and apple fruit juices." Biofouling. https://doi.org/10.1080/08927014.2025.2515923. [DOI]
  6. Vignale FA; Hernandez Garcia A; Modenutti CP; Sosa EJ; Defelipe LA; Oliveira R. 2025. "Yerba mate (Ilex paraguariensis) genome provides new insights into convergent evolution of caffeine biosynthesis." eLife. https://doi.org/10.7554/eLife.104759. [DOI]
  7. Tan BJ; Xiao B; Tan EK. 2024. "Elevated neutrophils and uncontrolled asthma: the effects of caffeine, diet and co-morbidities." The Journal of asthma : official journal of the Association for the Care of Asthma. https://doi.org/10.1080/02770903.2024.2332924. [DOI]
  8. Latunra AI; Heryanto H; Tahir D; Ardiansa A. 2024. "Analytical insight into caffeine extraction from typica coffee leaves based on crystallinity enhancement, optical phonon vibration upshift, and morphological evolution." Journal of food science. https://doi.org/10.1111/1750-3841.17443. [DOI]
  9. Suenaga S, Kataoka H, Hasegawa K, Koga R, Tsunoda C, Kuwashima W, Tsuchida T, Goto S.. 2024. "How Does the Powder Mixture of Ibuprofen and Caffeine Attenuate the Solubility of Ibuprofen? Comparative Study for the Xanthine Derivatives to Recognize Their Intermolecular Interactions Using Fourier-Transform Infrared (FTIR) Spectra, Differential Scanning Calorimetry (DSC), and X-ray Powder Diffractometry (XRPD)." . https://doi.org/10.1021/acs.molpharmaceut.4c00429. [DOI]
  10. Rahimi MR; Semenova EA; Larin AK; Kulemin NA; Generozov EV; Łubkowska B. 2023. "The ADORA2A TT Genotype Is Associated with Anti-Inflammatory Effects of Caffeine in Response to Resistance Exercise and Habitual Coffee Intake." Nutrients. https://doi.org/10.3390/nu15071634. [DOI]
  11. Newman, David J., and Gordon M. Cragg. 2020. "Natural Products as Sources of New Drugs over the Nearly Four Decades from 01/1981 to 09/2019." Journal of Natural Products 83 (3): 770-803.
  12. Macrae, Clare F., Ioana Sovago, Simon J. Cottrell, et al. 2020. "Mercury 4.0: from visualization to analysis, design and prediction." Journal of Applied Crystallography 53 (1): 226-235. https://doi.org/10.1107/S1600576719014092.
  13. International Conference on Harmonisation. 2017. "ICH Q6A: Specifications: Test Procedures and Acceptance Criteria for New Drug Substances and New Drug Products." Geneva: ICH. https://www.ich.org/page/quality-guidelines.
  14. Groom, Colin R., Ian J. Bruno, Matthew P. Lightfoot, and Suzanna C. Ward. 2016. "The Cambridge Structural Database." Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials 72 (2): 171-179.
  15. Davies, Mark, Michał Nowotka, George Papadatos, et al. 2015. "ChEMBL Web Services: Streamlining Access to Drug Discovery Data and Utilities." Nucleic Acids Research 43 (W1): W612-W620.
  16. Price, Sarah L. 2014. "Predicting crystal structures of organic compounds." Chemical Society Reviews 43 (7): 2098-2111. https://doi.org/10.1039/C3CS60279F.
  17. Hann, Michael M. 2011. "Molecular Obesity, Potency and Other Addictions in Drug Discovery." MedChemComm 2 (5): 349-355.
  18. Yu, Lian. 2010. "Polymorphism in molecular solids: an extraordinary system of red, orange, and yellow crystals." Accounts of Chemical Research 43 (9): 1257-1266. https://doi.org/10.1021/ar100040r.
  19. Spek, Anthony L. 2009. "Structure validation in chemical crystallography." Acta Crystallographica D 65 (2): 148-155. https://doi.org/10.1107/S090744490804362X.
  20. Sheldrick, George M. 2008. "A short history of SHELX." Acta Crystallographica A 64 (1): 112-122. https://doi.org/10.1107/S0108767307043930.
  21. Florence, Alastair J. 2008. "Approaches to high-throughput physical form screening and discovery." In Polymorphism: in the Pharmaceutical Industry, edited by Rolf Hilfiker, 139-184. Weinheim: Wiley-VCH.
  22. Leeson, Paul D., and Brian Springthorpe. 2007. "The Influence of Drug-Like Concepts on Decision-Making in Medicinal Chemistry." Nature Reviews Drug Discovery 6 (11): 881-890.
  23. Bond, Andrew D., Roland Boese, and Gautam R. Desiraju. 2007. "On the polymorphism of aspirin: crystalline aspirin as intergrowths of two polymorphic domains." Angewandte Chemie International Edition 46 (4): 618-622. https://doi.org/10.1002/anie.200603373.
  24. Hilfiker, Rolf, ed. 2006. Polymorphism in the Pharmaceutical Industry. Weinheim: Wiley-VCH.
  25. Singhal, Dharmendra, and William Curatolo. 2004. "Drug Polymorphism and Dosage Form Design: A Practical Perspective." Advanced Drug Delivery Reviews 56 (3): 335-347.
  26. Datta, Sapan, and David J. W. Grant. 2004. "Crystal structures of drugs: advances in determination, prediction and engineering." Nature Reviews Drug Discovery 3 (1): 42-57. https://doi.org/10.1038/nrd1280.
  27. Allen, Frank H. 2002. "The Cambridge Structural Database: a quarter of a million crystal structures and rising." Acta Crystallographica B 58 (3): 380-388. https://doi.org/10.1107/S0108768102003890.
  28. Bauer, Jeffery, Stephen Spanton, Rodger Henry, et al. 2001. "Ritonavir: an extraordinary example of conformational polymorphism." Pharmaceutical Research 18 (6): 859-866. https://doi.org/10.1023/A:1011052932607.
  29. Vippagunta, Sudha R., Harry G. Brittain, and David J. W. Grant. 2001. "Crystalline solids." Advanced Drug Delivery Reviews 48 (1): 3-26. https://doi.org/10.1016/S0169-409X(01)00097-7.
  30. Mullin, John W. 2001. Crystallization. 4th ed. Oxford: Butterworth-Heinemann.
  31. Chemburkar, Sanjay R., Jeffery Bauer, Klaus Deming, et al. 2000. "Dealing with the impact of ritonavir polymorphs on the late stages of bulk drug process development." Organic Process Research & Development 4 (5): 413-417. https://doi.org/10.1021/op000023y.
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  43. Ostwald, Wilhelm. 1897. "Studien über die Bildung und Umwandlung fester Körper." Zeitschrift für Physikalische Chemie 22: 289-330.
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📚 REFERENCJE (Bibliografia zbiorcza, Chicago Author-Date) 132 items

Wszystkie źródła naukowe cytowane w akordeonach powyżej dla CAS 58-08-2. Format: Chicago Manual of Style 17th ed., Author-Date system.

🗄️ Bazy danych naukowych

  1. NIST. n.d. NIST Chemistry WebBook: CAS 58-08-2. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=58-08-2.
  2. AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 58-08-2. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
  3. Linstrom, Peter J., and William G. Mallard, eds. n.d. NIST Chemistry WebBook: NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. https://doi.org/10.18434/T4D303.
  4. PubChem. n.d. PubChem Compound Summary: CAS 58-08-2. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=58-08-2.
  5. U.S. EPA. n.d. CompTox Chemicals Dashboard: CAS 58-08-2. Research Triangle Park, NC: U.S. Environmental Protection Agency. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0020232.

📐 Standardy / Wytyczne

  1. ICH. 2003. "Stability Testing of New Drug Substances and Products: Q1A(R2)." Geneva: International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. https://database.ich.org/sites/default/files/Q1A%28R2%29%20Guideline.pdf.
  2. National Fire Protection Association (NFPA). 2024. "NFPA 30: Flammable and Combustible Liquids Code." NFPA, Quincy, MA. https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=30.
  3. Occupational Safety and Health Administration (OSHA). 2023. "29 CFR 1910.106 — Flammable Liquids." U.S. Department of Labor, Federal Register. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.106.
  4. European Chemicals Agency (ECHA). 2024. "Annex VI to Regulation (EC) No 1272/2008 (CLP) — Harmonised Classification and Labelling." ECHA, Helsinki / Official Journal of the European Union. https://echa.europa.eu/regulations/clp/clp-classification.
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms — Part 1: Terminology and performance requirements for chemical risks." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=205:110:::::FSP_PROJECT,FSP_ORG_ID:38536,6080&cs=1B0DAA8B85DF42E4A2C70E5D71F0BFA32.
  6. European Committee for Standardization (CEN). 2001. "EN 166:2001 — Personal eye-protection — Specifications." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:6541&cs=1F1A4E0A78C4DB6A28DBE2E8C29D89DCF.
  7. European Committee for Standardization (CEN). 2009. "EN 14605:2005+A1:2009 — Protective clothing against liquid chemicals — Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:21581&cs=1A04A2D3C7CC58E9E6CB58D55F7EBFB7E.
  8. National Institute for Occupational Safety and Health (NIOSH). 2017. "Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide." U.S. Department of Health & Human Services / CDC. https://www.cdc.gov/niosh/ncpc/default.html.
  9. Occupational Safety and Health Administration (OSHA). 2011. "Personal Protective Equipment — General requirements." U.S. Department of Labor — 29 CFR 1910.132. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.132.

📖 Książki

  1. O'Neil, Maryadele J., ed. 2013. The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, 15th ed.. Cambridge: Royal Society of Chemistry.
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook, 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/Hansen-Solubility-Parameters-A-Users-Handbook/Hansen/p/book/9780849372483.
  3. Barton, Allan F. M. 1991. CRC Handbook of Solubility Parameters and Other Cohesion Parameters: 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/CRC-Handbook-of-Solubility-Parameters-and-Other-Cohesion-Parameters/Barton/p/book/9780849301766.
  4. Connors, Kenneth A., Gordon L. Amidon, and Valentino J. Stella. 1986. Chemical Stability of Pharmaceuticals: A Handbook for Pharmacists, 2nd ed.. New York: Wiley. https://doi.org/10.1002/0471734683.
  5. Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
  6. Urben, Peter G. 2017. Bretherick's Handbook of Reactive Chemical Hazards, 8th Edition. Academic Press / Elsevier, Oxford. https://www.sciencedirect.com/book/9780081010594.

📘 Monografie

  1. IARC. n.d. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 58-08-2. Lyon, France: International Agency for Research on Cancer, World Health Organization.

📄 Artykuły naukowe (peer-reviewed)

  1. Stefanis, Emmanuel, and Costas Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." International Journal of Thermophysics 29: 568-585. https://doi.org/10.1007/s10765-008-0415-z.
  2. Stoll, Vincent S., and John S. Blanchard. 1990. "Buffers: Principles and Practice: In Methods in Enzymology, vol. 182." San Diego: Academic Press. https://doi.org/10.1016/0076-6879(90)82008-P.

🌐 Strony internetowe

  1. ECHA. 2023. "Guidance on the Application of the CLP Criteria." European Chemicals Agency. https://echa.europa.eu/guidance-documents/guidance-on-clp.
  2. European Parliament. 2006. "Regulation (EC) No 1907/2006 (REACH)." Official Journal of the European Union L 396: 1–849.
  3. ECHA. 2023. "Candidate List of Substances of Very High Concern for Authorisation." European Chemicals Agency. https://echa.europa.eu/candidate-list-table.
  4. European Parliament. 2008. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP)." Official Journal of the European Union L 353: 1–1355.
  5. ECHA. 2017. "Guidance on the Compilation of Safety Data Sheets." Version 3.1. European Chemicals Agency. ECHA-17-G-01-EN. https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
  6. ECHA. 2022. "Restrictions Under REACH — Annex XVII." European Chemicals Agency. https://echa.europa.eu/substances-restricted-under-reach.
  7. United Nations. 2021. Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 9th revised ed. ST/SG/AC.10/30/Rev.9. New York and Geneva: United Nations. https://unece.org/ghs-rev9-2021.
  8. ECHA. 2020. "Understanding REACH." European Chemicals Agency. https://echa.europa.eu/regulations/reach/understanding-reach.
  9. ECHA — Zalacznik VI do CLP (klasyfikacja zharmonizowana, ATP 23; 2026-07-07) https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.
  10. European Chemicals Agency (ECHA) (2024) — Caffeine — Substance Infocard https://echa.europa.eu/substance-information/-/substanceinfo/100.000.329.
  11. International Agency for Research on Cancer (IARC) (2018) — Caffeine — IARC Group 3 (not classifiable) (IARC Monograph Vol. 51) https://monographs.iarc.who.int/.
  12. Goldfrank, Lewis R., Neal Flomenbaum, Neal A. Lewin, Mary Ann Howland, Robert S. Hoffman, and Lewis S. Nelson (2015) — Goldfrank's Toxicologic Emergencies
  13. U.S. Occupational Safety and Health Administration (2024) — 29 CFR 1910.120 — Hazardous Waste Operations and Emergency Response (HAZWOPER) https://www.osha.gov/hazwoper.
  14. National Fire Protection Association (2018) — NFPA 472: Standard for Competence of Responders to Hazardous Materials/Weapons of Mass Destruction Incidents https://www.nfpa.org/codes-and-standards/nfpa-472.
  15. European Parliament and Council (2012) — Directive 2012/18/EU on the Control of Major-Accident Hazards Involving Dangerous Substances (Seveso III) https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex:32012L0018.
  16. U.S. National Institute for Occupational Safety and Health (2024) — NIOSH Pocket Guide to Chemical Hazards https://www.cdc.gov/niosh/npg/.
  17. European Chemicals Agency (2020) — Guidance on the Compilation of Safety Data Sheets (SDS), Version 3.1 https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
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  19. Schoenmakers, Peter J.. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier.
  20. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley.
  21. Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. https://doi.org/10.1016/j.chroma.2008.10.005.
  22. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094.
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  24. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." Journal of Separation Science 30: 1167-1182. https://doi.org/10.1002/jssc.200700026.
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  26. Dolan, John W.. 2013. "When to Modify Method Conditions." LCGC North America 31: 192-199. https://www.chromatographyonline.com/view/when-modify-method-conditions.
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  30. Poppe, Hans. 1997. "Some reflections on speed and efficiency of modern chromatographic methods." https://doi.org/10.1016/S0021-9673(97)00376-2.
  31. Wu, Naijun, and Anton M. Clausen. 2007. "Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations." https://doi.org/10.1002/jssc.200700026.
  32. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." https://doi.org/10.1016/j.chroma.2008.11.094.
  33. Knox, John H.. 1977. "Practical aspects of LC theory." https://doi.org/10.1093/chromsci/15.9.352.
  34. Snyder, L. R., J. J. Kirkland, and J. L. Glajch. 1997. "Practical HPLC Method Development." Wiley.
  35. Engelhardt, Heinz. 2014. "100 Years of Chromatography." Wiley-VCH.
  36. Sadek, Paul C.. 2002. "The HPLC Solvent Guide." Wiley-Interscience.
  37. Snyder, L. R.. 1978. "Classification of the solvent properties of common liquids." https://doi.org/10.1093/chromsci/16.6.223.
  38. Reichardt, Christian, and Thomas Welton. 2010. "Solvents and Solvent Effects in Organic Chemistry." Wiley-VCH.
  39. Vailaya, Anant, and Csaba Horváth. 1998. "Retention thermodynamics in hydrophobic interaction chromatography." https://doi.org/10.1021/ie980212h.
  40. Krstulović, Andrea M., and Phyllis R. Brown. 1981. "Reversed-phase High-Performance Liquid Chromatography." Wiley.
  41. Boysen, Reinhard I., and Milton T. W. Hearn. 2009. "Multi-modal HPLC of proteins." https://doi.org/10.1093/chromsci/47.8.645.
  42. USP General Chapter <621>. 2024. "Chromatography." United States Pharmacopeial Convention. https://www.usp.org/harmonization-standards/pdg/general-chapters/chromatography.
  43. International Council for Harmonisation (ICH). 2023. "Validation of Analytical Procedures Q2(R2)." ICH Expert Working Group. https://database.ich.org/sites/default/files/ICH_Q2-R2_Document_Step4_Guideline_2023_1101.pdf.
  44. Foley, Joe P., and John G. Dorsey. 1983. "Equations for calculation of chromatographic figures of merit for ideal and skewed peaks." https://doi.org/10.1021/ac00255a033.
  45. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. "Introduction to Modern Liquid Chromatography." Wiley. https://doi.org/10.1002/9780470508183.
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