Antimony Pentasulfide

Title: Antimony Pentasulfide
CAS Registry Number: 1315-04-4
Additional Names: Golden antimony sulfide; antimonic sulfide; antimonial saffron; antimony red
Molecular Formula: S5Sb2
Molecular Weight: 403.85
Percent Composition: S 39.70%, Sb 60.30%
Line Formula: Sb2S5
Literature References: Prepn: Gmelins, Antimony (8th ed.) 18B, pp 534-539 (1949). Existence of Sb5+ sulfide doubted: Birchall, Della Valle, Chem. Commun. 1970, 675. Toxicity study: W. R. Bradley, W. G. Fredrick, Ind. Med. 10, Ind. Hyg. Sect. 2, 15 (1941).
Properties: Orange-yellow, odorless powder. Insol in water. Sol in concd HCl with evolution of H2S; sol in solns of alkali hydroxides or sulfides, forming sulfantimoniates. Incompat. Acids, metal salts. LD50 i.p. in rats: 150.0 mg Sb/100 g (Bradley, Fredrick).
Toxicity data: LD50 i.p. in rats: 150.0 mg Sb/100 g (Bradley, Fredrick)
Use: As pigment; vulcanizing and coloring rubber; manuf matches and fireworks.
Antimony Pentoxide Antimony Potassium Oxalate Antimony Potassium Tartrate Antimony Sodium Gluconate Antimony Sodium Tartrate