Product Description:
Antimony trioxide is a white, crystalline powder used as a flame retardant in plastics, rubber, textiles, and electronic devices.
Applications & Uses:
CAS#:
1309-64-4
SYNONYM:
Antimony(III) oxide;Antimonous oxide;Antimony sesquioxide
FORMULA:
Sb2O3
PRODUCT TYPE:
HAZARD:
Warning
CATEGORIES:
Inorganic Intermediate
,
Refractory
,
Electronics
Technical Specifications
Appearance :
White solid
Boiling Point, °C :
1550
Density, g/cm3 :
5.67
Melting point, °C :
656
Molecular weight, g/mol :
291.52
Odor :
Odorless
Refractive index, n20/D :
2.087
Antimony trioxide is an inorganic compound with the formula Sb2O3. This high-purity chemical is characterized by its white crystalline powder form. Known for its excellent flame-retardant properties, antimony trioxide is widely used as a synergist in combination with halogenated flame retardants. Its applications span across various industries, including plastics, rubber, textiles, electronics, and coatings, where it enhances fire resistance in products such as cables, carpets, and electronic parts. Additionally, antimony trioxide serves as an opacifying agent in the production of glass and ceramics, providing improved opacity and brightness. Its effectiveness in improving product safety and performance makes it a crucial component in manufacturing and industrial processes.