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Antimony(III) telluride

Also known as: Antimony telluride, Diantimony tritelluride, Antimony sesquitelluride, Antimony(III) telluride (Sb2Te3), tellanylideneantimony tellurium

Antimony(III) telluride (CAS 1327-50-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2Sb2Te3 and a molecular weight of 628.33600 g/mol. Key properties include a melting point of 629ºC and a density of 6.5 g/mL at 25 °C(lit.). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1327-50-0
Jingsj CID
J-13108-3
Molecular Formula
H2Sb2Te3
Molecular Weight
628.33600 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point629ºC
Density6.5 g/mL at 25 °C(lit.)
Exact Mass633.54200

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H332 — Harmful if inhaled
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Antimony(III) telluride?

The CAS number of Antimony(III) telluride is 1327-50-0.

What are the molecular formula and molecular weight of Antimony(III) telluride?

Antimony(III) telluride has molecular formula H2Sb2Te3 and molecular weight 628.33600 g/mol.

Is Antimony(III) telluride hazardous?

Antimony(III) telluride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H410 — Very toxic to aquatic life with long lasting effects.

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

Last updated:

How to cite: Jingsj. "Antimony(III) telluride (CAS 1327-50-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13108-3 (accessed 2026-11-07).

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