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Description

Antimony (III) Oxide (Sb₂O₃) Micron Powder, Purity: 99.9%, Size: 3 µm

Antimony (III) Oxide (Sb₂O₃) is a high-purity inorganic compound widely used as a functional additive and catalyst in multiple industries. With a micron-sized particle distribution (3 µm) and 99.9% purity, this powder offers excellent consistency and performance for formulations requiring controlled particle size and high dispersion.

Sb₂O₃ is recognized for its role as a flame-retardant synergist, especially when combined with halogenated materials, enhancing fire resistance in plastics, polymers, textiles, and coatings. Its optical and chemical properties also make it valuable in pigments, glass, ceramics, and specialized catalysts.


Technical Properties

Property Value
Purity 99.9%
Particle Size 3 µm
CAS Number 1309-64-4
Melting Point 656 °C
Boiling Point 1550 °C
Density 5.2 g/cm³
Form Powder
Crystal Structure Cubic
Mohs Hardness @ 20°C 3.25

Applications

  • Catalyst: Applied in chemical synthesis, oxidation processes, and polymerization reactions.

  • Flame Retardants: Works synergistically with halogenated compounds to enhance fire resistance in plastics, textiles, and polymers.

  • Colorants & Pigments: Used in inks, coatings, and ceramic glazes for opacity and whiteness.

  • Glass & Ceramics: Improves optical properties, clarity, and durability of glass and ceramic products.

  • Polymer Additives: Enhances performance in plastics, rubbers, and resins.

Additional information

Gram

25 g, 100 g, 500 g, 1000 g