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Legal substance. dhscientific.com is a demonstration of the MOL-GOD platform — we sell nothing and no orders are fulfilled. Banned substances are blocked here automatically from the regulatory canon (compare e.g. Heptachlor).
⚠️ Note: This safety data sheet is provided in Polish (prepared for the Polish market; legal basis: Art. 31 REACH; national limits: PL). English language version in progress.
MolGod_SDSCARD_1Data transcribed from regulatory registers and technical literature, with the source and edition stated. It does not replace the supplier's safety data sheet. Fields without a recorded source are marked as such.
| Molecular formula | Se[1] |
| Molecular weight | 78.97 g/mol[1] |
| Melting point | 200 °C[1] |
| Boiling point | 685 °C[1] |
| SMILES | [Se][1] |
| InChIKey | BUGBHKTXTAQXES-UHFFFAOYSA-N[1] |
Synonyms: SELENIUM · 7782-49-2 · Elemental selenium · Selenium elemental · Selenium, elemental
Data sources: PubChem (NLM/NIH)
Last updated: 2026-08-05
[Se] Last updated: unconfirmed
Spectra are fetched on demand from 9 sources. Each spectrum is stored in our database — the next time it is opened there are zero requests to the external API. Download JCAMP-DX / CSV / PNG for every spectrum without searching.
Reference source — no public API. Open in an external database:
🔗 IR/NMR/MS (SDBS) →Reference source — no public API. Open in an external database:
🔗 JP Monograph →Reference source — no public API. Open in an external database:
🔗 WHO INN →Reference source — no public API. Open in an external database:
🔗 DOAJ →| Property | Value | Unit | Conditions | Source |
|---|---|---|---|---|
| Melting point | 200 [1] | °C | 1 atm | PubChem PUG-View (2026) |
| Boiling point | 685 [1] | °C | PubChem PUG-View (2026) | |
| Water solubility | praktycznie nierozpuszczalna [1] | — | opis jakościowy (bez wartości liczbowej) | PubChem PUG-View (2026) |
GHS/CLP classification — Regulation (EC) No 1272/2008 + UN GHS Rev. 9 (2021).
✓ Harmonised classification pursuant to Annex VI of the CLP Regulation (EC) 1272/2008 (official, binding classification). Index number: 034-001-00-2.
Reference (Chicago): European Chemicals Agency. "selenium, Index No. 034-001-00-2." 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.
Translations: CLP Regulation (EC) 1272/2008, Annexes III and IV. Data: PubChem/NLM.
References collected from all Safety Hub tabs. CAS: 7782-49-2 ·
PubChem ↗
Tabs with their own references (Emergency, PPE, Storage, Waste) contain additional bibliographic entries within their respective sections.
Paste a series of replicate measurements (CSV, or one number per line). The calculator computes the mean, standard deviation and 95% CI, and detects outliers (Grubbs + Dixon Q).
x̄ = Σxᵢ / n — arithmetic means² = Σ(xᵢ - x̄)² / (n-1) — sample variances = √s² — standard deviationRSD% = (s / x̄) × 100% — relative standard deviationCI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's tG = |xᵢ - x̄| / s — Grubbs' testQ = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-testSource: ICH Q2(R2) Validation of Analytical Procedures · ICH PDF ↗
Choose a buffer from the list of 20 popular systems → enter the target pH → get an exact recipe with the masses to weigh out.
7782-49-2
— multi-criteria ranking (W12): 30% citations · 20% recency · 20% topic · 15% historical · 15% open access.
All scientific sources cited in the accordions above for CAS 7782-49-2. Format: Chicago Manual of Style 17th ed., Author-Date system.
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