Bismuth Oxide (Bi₂O₃)
Bismuth oxide (Bi₂O₃) is an inorganic material characterized by high density, high refractive index, and excellent electrical properties.
It is widely used in electronic materials, ceramics, glass, and polymer additives, and is attracting attention as a lead-free functional material.
We supply high-purity products in the range of 4N to 6N (99.99% to 99.9999%).
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Features
- Excellent electrical properties
- Lead-free and environmentally friendly
- High thermal stability
- X-ray visibility
Applications
- Electronic component ceramics
- Specialty glass
- Functional filler for resins
- Catalyst materials
- Industrial & medical functional materials
Specifications
| Property | Value |
|---|---|
| Chemical Name | Bismuth Oxide |
| Chemical Formula | Bi₂O₃ |
| CAS No. | 1304-76-3 |
| Crystal Form | α / β |
| Purity | 99.99% / 99.999% (4N–6N available) |
| Density (Tapped) | 2.0 – 3.5 g/cm³ |
| Melting Point | 817°C |
| Boiling Point | 1890°C |
| Specific Surface Area | 0.9831 m²/g |
| Thermal Expansion Coefficient | 5.89 × 10⁻⁶ /°C (at 101°C) |
| Particle Size (D50) | 1–5 μm / 5–15 μm / 15–25 μm |
