Structure via PubChem · Public domain (PubChem)
antimony trioxide
Sign in to saveAlso known as Antimony(III) oxide, Antimony sesquioxide, Antimonous oxide, Flowers of Antimony
chemical compound
Chemical data
- Formula
- O3Sb2
- Molecular weight
- 291.52 g/mol
- IUPAC name
- bis(antimony(3+));tris(oxygen(2-))
- SMILES
- [O-2].[O-2].[O-2].[Sb+3].[Sb+3]
- InChIKey
- GHPGOEFPKIHBNM-UHFFFAOYSA-N
- Polar surface area
- 3 Ų
- H-bond donors
- 0
- H-bond acceptors
- 3
- Formal charge
- 0
via PubChem
Wikidata facts
- Has part
- antimony
- Mass
- 289.79237526
- Image
- Antimony trioxide.jpg
Show 6 more facts
- canonical SMILES
- [O-2].[O-2].[O-2].[Sb+3].[Sb+3]
- Commons category
- Antimony trioxide
- chemical formula
- Sb₂O₃
- MCN code
- 2825.80.10
- 2022 Harmonized System Code
- 282580
- subject has role
- carcinogen
Sources (3)
via Wikidata · CC0
~5 min read
Encyclopedic overview
Antimony(III) oxide is the inorganic compound with the formula Sb2O3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite. A mixed arsenic-antimony oxide occurs in nature as the very rare mineral stibioclaudetite.
Production and properties
Excerpted from Wikipedia’s “antimony trioxide” article, available under the CC BY-SA 4.0 licence.