Prepn: Gysin, Knüsli, CH337019 (1959 to Geigy), C.A.57, 14226c (1962). Crystal
structure: A. J. Graham et al.,Cryst. Struct. Commun.7, 227 (1978). Toxicity
study: E. F. Edson et al.,World
Rev. Pest Control1, 36 (1965).
Properties
Crystals, mp 82-83°. LD50 orally in rats: 1830 mg/kg (Edson).