Dichlofenthion (IUPAC name: O-2,4-Dichlorophenyl O,O-diethyl phosphorothioate) is a phosphorothioate which is primarily used as a pesticide and nematicide. ==Environmental fate== Dichlofenthion has a relatively short half-life of only a few minutes in both water and soils. While little research has been conducted over the environmental fate this c...