Molekula
Bismuth Oxide Powder
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Bismuth Oxide Powder is a bright yellow, inorganic compound primarily used in ceramics, cosmetics, and as a catalyst in chemical synthesis. It also finds applications in electronics for high-temperature superconductors and as a pigment in glass manufacturing. This high-purity powder has a CAS number of 1304-76-3, with the molecular formula Bi2O3 and a molecular weight of 465.96 g/mol. It is stable under ambient storage conditions with no signal word for hazard classification. Molekula supplies Bismuth Oxide Powder from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90023427 |
| CAS Number | 1304-76-3 |
| IUPAC Name | oxo(oxobismuthanyloxy)bismuthane |
| EC Number | 215-134-7 |
| Molecular Formula | Bi2O3 |
| Molecular Weight | 465.96 |
| Exact Mass | 465.9455 |
| SMILES | O=[Bi]O[Bi]=O |
| InChIKey | WMWLMWRWZQELOS-UHFFFAOYSA-N |
| InChI | InChI=1S/2Bi.3O |
| PubChem CID | 14776 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2825909000 |
| Tariff Code | 2825908590 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Bismuth oxide (Bi2O3)
- Bismuth oxide (BiO1.5)
- Bismuth sesquioxide (Bi2O3)
- Bismuth(3+) oxide
- Bismutum-oxydatum
- C.I. 77160
- Dibismoxane-1,3-dione
- Dibismuth trioxide
- oxo(oxobismuthanyloxy)bismuthane
- Wimut(III)-oxid
Frequently asked questions
What is bismuth oxide powder commonly used for?
Bismuth oxide powder is primarily used in the manufacture of bismuth-based chemicals, electronics (e.g., capacitors and semiconductors), pigments, and as a catalyst in various chemical reactions.
What is the chemical formula and molecular weight of bismuth oxide?
The chemical formula is **Bi₂O₃**, and the molecular weight is **465.96 g/mol**.
How should bismuth oxide powder be stored?
Store in a cool, dry place at ambient temperature, away from moisture and incompatible substances. No special precautions are required beyond standard chemical handling.
What grades or purities of bismuth oxide does Molekula supply?
Molekula supplies high-purity bismuth oxide powder, typically ≥99.9% purity, suitable for industrial and research applications.
Can Molekula supply bismuth oxide in bulk quantities?
Yes, Molekula can provide bismuth oxide in bulk, with flexible packaging options (e.g., drums, bags) based on customer requirements.
What documentation comes with a bismuth oxide order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, particle size, and other relevant parameters.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.