Title: Sodium Arsenite
CAS Registry Number: 7784-46-5
Additional Names: Sodium meta-arsenite
Molecular Formula: AsHNaO2
Molecular Weight: 130.92
Percent Composition: As 57.23%, H 0.77%, Na 17.56%, O 24.44%
Literature References: Product of commerce is 95-98% pure. Toxicity study: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969). Review of toxicology and human exposure: Toxicological Profile for Arsenic (PB2000-108021, 2000) 468 pp.
Properties: White or grayish-white powder; somewhat hygroscopic. Absorbs CO2 from air. Very poisonous! Freely sol in water, slightly in alcohol. Keep well closed. LD50 orally in rats: 0.041 g/kg (Smyth).
Toxicity data: LD50 orally in rats: 0.041 g/kg (Smyth)
Use: Technical grade in manuf of arsenical soap for use on skins, for treating vines against certain scale diseases; as insecticide especially for termites.
Therap-Cat-Vet: Topical acaricide. |