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Bismuth(III) selenide

Also known as: Bismuth selenide, EINECS 235-104-7, MFCD00014200, bismuth selenide

Bismuth(III) selenide (CAS 12068-69-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Bi2Se3 and a molecular weight of 654.84 g/mol. Key properties include a melting point of 706 ºC and a density of 7.27. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H331 — Toxic if inhaled and H373 — May cause damage to organs through prolonged exposure. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
12068-69-8
Jingsj CID
J-30765-1
Molecular Formula
Bi2Se3
Molecular Weight
654.84 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point706 ºC
Density7.27

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H331 — Toxic if inhaled
  • H373 — May cause damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Bismuth(III) selenide?

The CAS number of Bismuth(III) selenide is 12068-69-8.

What are the molecular formula and molecular weight of Bismuth(III) selenide?

Bismuth(III) selenide has molecular formula Bi2Se3 and molecular weight 654.84 g/mol.

Is Bismuth(III) selenide hazardous?

Bismuth(III) selenide has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H331 — Toxic if inhaled; H373 — May cause damage to organs through prolonged exposure.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Bismuth(III) selenide (CAS 12068-69-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30765-1 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.