Parathion

Parathion, also called parathion-ethyl or methyl - parathion, is an organophosphate compound. It is a potent insecticide and acaricide. It was originally developed by IG Farben in the 1940s. It is highly toxic to non-target organisms, including humans. Its use is banned or restricted in many countries, and there are proposals to ban it from all use. Closely related is "methyl parathion"
Parathion at Wikipedia
Category:Toxins