Bismuth is a brittle, highdensity posttransition metal characterized by low thermal conductivity and a range of functional electronic and optical properties. It is widely utilized in alloy formation, semiconductor fabrication, thermoelectric systems, infrared applications, pharmaceuticals, and lowmelting solder formulations. Bismuthbased compounds also serve as pigments in cosmetic, glass, and ceramic materials, and the element functions as a catalyst in rubber polymerization processes.
Highparity bismuth (Bi) is essential for research and industrial applications requiring stringent material performance, stability, and reproducibility. It is commonly employed as a source material in molecular beam epitaxy (MBE) for semiconductor research, thinfilm deposition, and device manufacturing.
General Properties
| Properties | Value |
| Symbol | Bi |
| CAS Number | 7440-69-9 |
| EINECS Number | 231-177-4 |
| Atomic Number | 83 |
| Atomic Weight | 208.9804 |
| Density | 9.75 g/cc |
| Melting Point | 271.5 °C |
| Boiling Point | 7.97 W/(m⋅K) |
| Thermal Conductivity | 1564 °C |
| Electrical Resistivity | 1.29 µΩ⋅m (at 20 °C |
| Electronegativity | Pauling scale: 2.02 |
| Heat of Vaporization | 179 kJ/mol |
| Heat of Fusion | 11.30 kJ/mol |
Product Availability
We provide high-purity (MBE-grade) Bismuth (Bi) tailored for semiconductor and industrial requirements.
| Purity | 99.999% (5N) to 99.99999% (6N5) |
| Forms | Chunk sizes of 2-6mm |
| Package | Small QTY package or up on request |
If you require any of this high-purity metal, please contact our sales team for details at sales@american-gmg.com.