What is Bismuth (Bi) Micron Powder?

Bismuth (Bi) micron powder is a finely milled metallic powder known for its low toxicity, excellent thermal conductivity, and diamagnetic properties. It is widely used in metallurgy, pharmaceuticals, electronics, and radiation shielding applications.

Chemical Properties and CAS Number

• Chemical Formula: Bi
• CAS Number: 7440-69-9
• Appearance: Silvery-white fine powder
• Density: Approximately 9.78 g/cm³
• Melting Point: ~271.5°C
• Solubility: Insoluble in water, soluble in acids
• Chemical Stability: Stable under normal conditions, forms an oxide layer when exposed to air

Applications of Bismuth Micron Powder

1. Metallurgy and Low-Melting Alloys

Used in fusible alloys, lead-free solders, and casting applications due to its low melting point and high density.

2. Pharmaceuticals and Medical ApplicationsWhat is Bismuth (Bi) Micron Powder?

Bismuth (Bi) micron powder is a finely milled metallic powder known for its low toxicity, excellent thermal conductivity, and diamagnetic properties. It is widely used in metallurgy, pharmaceuticals, electronics, and radiation shielding applications.

Chemical Properties and CAS Number

• Chemical Formula: Bi
• CAS Number: 7440-69-9
• Appearance: Silvery-white fine powder
• Density: Approximately 9.78 g/cm³
• Melting Point: ~271.5°C
• Solubility: Insoluble in water, soluble in acids
• Chemical Stability: Stable under normal conditions, forms an oxide layer when exposed to air

Applications of Bismuth Micron Powder

Employed in bismuth-based drugs, including treatments for gastrointestinal disorders such as bismuth subsalicylate.

3. Electronics and Semiconductors

Utilized in thermoelectric materials, superconductors, and advanced semiconductor devices.

4. Radiation Shielding and X-ray Protection

Applied in medical imaging, nuclear shielding, and non-toxic lead alternatives due to its high atomic number and absorption properties.

5. Catalysts and Chemical Industry

Used as a catalyst in organic synthesis, fuel additives, and high-performance chemical reactions.

6. Pigments and Cosmetics

Incorporated into pearlescent pigments, cosmetics, and coatings for its reflective and non-toxic properties.

Pricing of Bismuth Micron Powder

Prices vary based on purity, particle size, synthesis method, and industry-specific requirements:

• Industrial Grade: Typically ranges from $50 – $300 per kilogram
• High-Purity/Specialized Grade: Prices range from $500 – $2,500 per kilogram, used in electronics, pharmaceuticals, and advanced materials.

Factors Influencing Bismuth Powder Prices

• Purity level and particle size distribution
• Industry demand in electronics, pharmaceuticals, and metallurgy
• Processing complexity and production costs
• Bulk order volume and market fluctuations

Conclusion

Bismuth (Bi) micron powder is a highly versatile material used in metallurgy, pharmaceuticals, electronics, and radiation shielding. Its non-toxic nature, thermal stability, and high density make it a valuable alternative to lead in various applications. Pricing depends on purity, particle specifications, and industry demand.