The United States cancelled use of chlorfenvinphos in 1991 because it is dangerous to humans. The substance has harmful effects on the nervous system. Chlorfenvinphos has not been classified for carcinogenicity (ability to cause cancer). Chlorfenvinphos was sold under five main brand names: Birlane, Dermaton, Sapercon, Steladone, and Supona.
¹ - The technical name of chlorfenvinphos is 2-chloro-1-(2,4-dichlorophenyl) vinyl diethyl phosphate.