Antimony Trioxide
Availability
Antimony trioxide is usually available in various concentration. Special packaging requirements are available upon request. Antimony trioxide is stored in original packing and under conditions mentioned on the safety data sheet (SDS).
Formula
Sb2O3
CAS
1309-64-4
Antimony Trioxide
Description
Information not available
Appearance
Antimony trioxide is a white crystalline powder.
Solubility
Antimony trioxide is not soluble in water and in nitric acid, not very soluble in diluted H2S04 and HCI but more soluble in these acid concentrates.
Uses
Antimony trioxide, is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite and is mainly produced via the smelting of stibnite ore, which is oxidised to crude Sb2O3 using furnaces operating at approximately 850 to 1,000 °C. Antimonious oxide is widely used as a flame retardant for rubber and plastic materials. In its pure state it is used in pharmaceutical products. In the chemical industry antimony trioxide is used as an intermediate for the preparation of metallic antimony; in the glass industry it is used to de-colourise glass, in the ceramic industry and in galvanic technology.
Classification
The toxicity of antimony trioxide is topical because it is a likely byproduct of the combustion of some materials "fireproofed" with antimony compounds. The oxides of arsenic, antimony, and bismuth are comparable in their toxicity, but their volatilities differ widely. Antimony trioxide has suspected carcinogenic potential for humans.
Safety
Request safety data sheet (SDS) and refer to points 4, 5, 6, 7, 8, 10, 13.
Specifications
Technical specifications are provided on request according to the application: antimony trioxide is stored in original packing and under conditions mentioned on the safety data sheet (SDS).
Synonyms
Antimony trioxide, antimonious oxide, antimony(III) oxide