What is Antimony Oxide (Sb₂O₃) Nanopowder/Nanoparticles?

Antimony Oxide (Sb₂O₃) nanopowder consists of ultra-fine particles of antimony trioxide, known for its excellent flame-retardant properties, high refractive index, and chemical stability. It is widely used in plastics, coatings, ceramics, and electronics applications.

Chemical Properties and CAS Number

• Chemical Formula: Sb₂O₃
• CAS Number: 1309-64-4
• Appearance: White fine powder
• Density: Approximately 5.2 g/cm³
• Melting Point: ~656°C
• Solubility: Insoluble in water, soluble in acids
• Chemical Stability: Highly stable under normal conditions, resistant to oxidation and high temperatures

Applications of Antimony Oxide Nanoparticles

1. Flame Retardants and Polymer Additives

Used in plastic materials, textiles, and coatings to enhance fire resistance by acting as a synergist with halogenated flame retardants.

2. Glass and Ceramics Industry

Applied in high-refractive-index glass, ceramic glazes, and specialty coatings for improved durability and optical properties.

3. Electronics and Semiconductor Applications

Utilized in semiconductors, optoelectronics, and advanced display technologies due to its electrical insulation and light scattering properties.

4. Paints and Pigments

Used in pigments and coatings to provide opacity, brightness, and enhanced chemical resistance.

5. Catalysis and Chemical Processing

Employed as a catalyst in various industrial chemical reactions, including polymerization and oxidation processes.

6. Environmental and Antimicrobial Applications

Used in air and water purification, antibacterial coatings, and as an antimicrobial agent in various industrial applications.

Pricing of Antimony Oxide Nanopowder

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

• Industrial Grade: Typically ranges from $100 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $1,000 – $5,000 per kilogram, used in high-end electronics, optics, and nanotechnology applications.

Factors Influencing Antimony Oxide Powder Prices

• Purity level and particle size distribution
• Functionalization and surface modifications
• Processing complexity and synthesis method
• Bulk order volume and market demand

Conclusion

Antimony Oxide (Sb₂O₃) nanopowder is a high-performance material used in flame retardants, electronics, coatings, and specialty glass applications. Its excellent chemical stability, optical properties, and fire-resistant behavior make it essential for advanced industrial technologies. Pricing depends on purity, particle specifications, and intended use.