Molekula
Bismuth(III) oxide, nanopowder, 99.9%
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(III) oxide nanopowder is a high-purity, ultrafine ceramic material used in electronics, catalysis, and advanced ceramics for its semiconducting, flame-retardant, and UV-shielding properties. Documented applications include glass manufacturing, catalyst preparation, rubber vulcanization, and fireproofing of paper, along with use in disinfectant formulations. This nanopowder has a purity of 99.9%, a CAS number of 1304-76-3, and a molecular weight of 465.96 g/mol (Bi₂O₃). It is stable at ambient storage conditions with no signal word classification. Molekula supplies Bismuth(III) oxide nanopowder 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.
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | white to yellow powder |
| Identification | Conforms to reference |
| Purity | >99.9% |
| Acid insoluble | <0.005% |
| Iron (Fe) | <0.001% |
| Lead (Pb) | <0.001% |
| Arsenic (As) | <0.001% |
| Copper (Cu) | <0.001% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90025559 |
| 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(III) oxide nanopowder commonly used for?
Bismuth(III) oxide nanopowder is primarily used in electronics (e.g., capacitors, semiconductors), catalysts, and high-temperature superconductors due to its unique optical and electrical properties.
What is the chemical formula and molecular weight of this product?
The chemical formula is **Bi₂O₃**, and the molecular weight is **465.96 g/mol**.
How should Bismuth(III) oxide nanopowder be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and strong oxidizing agents.
What purity grade is available for this nanopowder?
Molekula supplies this product at **99.9% purity** as a nanopowder.
Can Molekula supply Bismuth(III) oxide nanopowder in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for custom packaging and pricing.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.