Bismuth(III) oxide
Bismuth(III) oxide (CAS: 1304-76-3; Formula: Bi2O3; MW: 465.96 g/mol) is a pale yellow, dense inorganic compound. It is known for its high refractive index and stability, making it valuable in diverse industrial applications. This nanopowder form, with a spherical morphology and an assay of 99.9% trace metals basis, is primarily utilised in catalysis, materials science, and the synthesis of other bismuth compounds. Its unique properties also lend themselves to applications in electronics and phosphors.
- IUPAC
- Dibismuth trioxide
- Synonyms
- Dibismuth trioxide
Catalysis and Inorganic Chemistry
Bismuth(III) oxide serves as a catalyst or co-catalyst in various organic synthesis reactions. Its oxide structure is also a precursor for synthesizing other inorganic bismuth-containing materials with specific electronic or magnetic properties.
Materials Science and Nanomaterials
The nanopowder form with spherical morphology is suitable for advanced material applications, including ceramics, phosphors, and specialized coatings. Its high refractive index is beneficial in optical materials.
Chemical Synthesis
It acts as a fundamental building block for producing a wide range of bismuth salts and complexes. These derivatives find applications in pigments, pharmaceuticals, and pyrotechnics.
Electronics and Optoelectronics
Bismuth oxide's dielectric and semiconducting properties are exploited in electronic components, varistors, and sensors. It is also a component in some phosphors for lighting and display technologies.
| Molecular weight | 465.96 |
|---|---|
| Empirical formula | Bi2O3 |
| Assay | 99.9% trace metals basis |
| Form | nanopowderspherical |
| Particle size | 10 μm |
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | beta |
|---|---|
| Bulk Density | 0.5‑1.1 g/mL |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Bismuth(III) oxide used for?
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Bismuth(III) oxide is used in catalysis, inorganic chemistry, materials science, chemical synthesis, and in the production of electronic components and phosphors.
What are the CAS number and formula for Bismuth(III) oxide?
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The CAS number for Bismuth(III) oxide is 1304-76-3, and its formula is Bi2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bismuth(III) oxide with an assay of 99.9% trace metals basis in a nanopowder, spherical form. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Bismuth(III) oxide?
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When handling Bismuth(III) oxide, it is essential to wear a dust mask type N95 (US), eyeshields, and gloves to avoid inhalation and skin or eye contact. It has a WGK classification of 2 in Germany.
How is Bismuth(III) oxide packed and exported?
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Bismuth(III) oxide is carefully packed to ensure integrity during transit. Tech Serve Solutions is a global supplier and exporter, adhering to all relevant shipping regulations.
How can I request a sample or quote for Bismuth(III) oxide?
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To request a sample or a quotation, please contact our sales team through the website or by phone, providing the product name and CAS number.
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