Lead Arsenate
Title: Lead Arsenate
CAS Registry Number: 7784-40-9
Literature References: Approx PbHAsO4. Occurs in nature as the mineral schultenite. Toxicity studies: Voigt et al., J. Am. Pharm. Assoc. 37, 122 (1948); T. B. Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969).
Properties: White, heavy powder. Poisonous! d 5.79. At ~280° loses H2O and is converted into pyroarsenate. Insol in water. Sol in HNO3, caustic alkalies. LD50 in rats, rabbits (mg/kg): 825, 125 orally (Voigt). LD50 in female rats (mg/kg): 1050 orally, >2400 dermally (Gaines).
Density: d 5.79
Toxicity data: LD50 in rats, rabbits (mg/kg): 825, 125 orally (Voigt); LD50 in female rats (mg/kg): 1050 orally, >2400 dermally (Gaines)
Use: As constituent of various insecticides for larvae of gypsy moth, boll weevil, etc.
Therap-Cat-Vet: Has been used as a teniacide; insecticide.

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