potassium arsenite


potassium arsenite

[pə′tas·ē·əm ′ärs·ən‚īt] (inorganic chemistry) KH(AsO2)2 Poisonous, hygroscopic, white powder; soluble in alcohol; decomposes slowly in air; used in medicine, on mirrors, and as an analytical reagent. Also known as potassium metarsenite.