Antimony Sulfide (Sb2S3)-Granules

Characteristic




Antimony trisulfide (Sb2S3) is found in nature as the crystalline mineral stibnite and the amorphous red mineral metastibnite.




Chemical formula：Sb2S3

Molar mass：339.715

Appearance：grey / black orthorhombic crystal (stibnite)

Density：4.562g cm−3 (stibnite)

Melting point：550 °C (1,022 °F; 823 K) (stibnite)

Boiling point：1,150 °C (2,100 °F; 1,420 K)

Solubility in water：0.00017 g/100 mL (18 °C)

Magnetic susceptibility (χ)：-86.0·10−6 cm3/mol

Refractive index (nD)：4.046




Application




It is manufactured for use in safety matches, military ammunition, explosives and fireworks. It also is used in the production of ruby-colored glass and in plastics as a flame retardant. Historically the stibnite form was used as a grey pigment in paintings produced in the 16th century.