Laboratory Chemical Search

Antimony trioxide

Also known as Antimony (III) oxide, Antimonous oxide

H.S.Code 28258000 CAS No. 1309-64-4
Molecular Formula Sb2O3 Molecular Weight 291.518
Physical State Solid Refractive index 2.087
Odour Odorless Solubility in water
Density Flash point
pH value 5.2 Melting Point

About Antimony trioxide

Antimony trioxide is the inorganic compound with the formula Sb2O3.. Also known as Antimonous oxide, it is an amphoteric oxide, it dissolves in aqueous sodium hydroxide solution to give the meta-antimonite NaSbO2. When heated with carbon, the oxide is reduced to antimony metal.

The main application is as flame retardant synergist in combination with halogenated materials. Antimony(III) oxide is an opacifying agent for glasses, ceramics and enamels. Antimony(III) oxide is a useful catalyst in the production of polyethylene terephthalate (PET plastic) and the vulcanization of rubber.

Antimony (III) oxide Molecular Image

Antimony trioxide Specifications

Packaging 500 gm
Form Crystals
Colour White
Grade Extra Pure
Hazard Class
Storage Store in cool, dry conditions in well sealed containers.
Shelf Life 36 Months
Antimony trioxide Bottle

500 gm