Antimony (III) Oxide

Antimony (III) Oxide

Physical Properties

Molecular Weight: 291.5
Melting Point:656°C
Boiling point:1550°C
Density: 5.67g/cm
Gray or white orthorhombic or equiaxed crystal powder.

Chemical property

It is easy to be reduced to antimony by solid carbon or carbon monoxide, hydrogen and other gases. It can soluble in hydrochloric acid, potassium hydroxide, sodium sulfide, tartaric acid, sulfuric acid, nitric acid but it cannot soluble in water, alcohol, dilute sulfuric acid.

Specification

Sb2O3 -5N(99.999%), <10 ppm 
Sb2O3 - 6N(99 9999%), <1 ppm

Application

Antimony trioxide is primarily used in the manufacture of antimony compounds, electronic elements, light proof agent, mordant and high purity reagent.