Bi2O3
465.959 g/mol
Industrial ChemicalDanger
Bismuth oxide (Bi2O3)
CAS1304-76-3EC215-134-7
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Pigment and catalyst in industrial applications
Bismuth oxide (Bi2O3) is a compound of bismuth that has been extensively studied for its ionic conductivity. Its most established industrial application is as a colorant in pyrotechnics, and it is also used as a pigment and catalyst in various industrial processes.
pigment in industrial coatingscatalyst in chemical reactionscolorant in pyrotechnics
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Bismuth oxychloride
CAS7787-59-9
pigment and cosmetic ingredient
ReferenceSame Category
Calcium oxide
CAS1305-78-8
Industrial chemical for manufacturing
ReferenceSame Category
Fluorapatite
CAS1306-05-4
Mineral for phosphate rock
ReferenceSame Category
Calcium hydroxyphosphate
CAS1306-06-5
artificial bone and teeth material
ReferenceSame Category
Cerium(IV) oxide
CAS1306-38-3
catalyst, abrasive, pigment, glass additive
Safety Reference
Danger
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Bismuth oxide (Bi2O3) (CAS 1304-76-3) is 2825.90.
HS code (international, 6-digit)
2825.90
EU CN code (8-digit)
2825 90 85
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
oxo(oxobismuthanyloxy)bismuthane
InChIKey
WMWLMWRWZQELOS-UHFFFAOYSA-N
SMILES
O=[Bi]O[Bi]=O
Synonyms (15)
- Bismuth oxide (Bi2O3)
- Bismuth oxide (BiO1.5)
- Bismuth sesquioxide (Bi2O3)
- Bismuth(3+) oxide
- Bismuth(III) oxide
- Bismuth(III) oxide, p.a.
- Bismutum-oxydatum
- Dibismoxane-1,3-dione
- Wimut(III)-oxid
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