phorate

Noun

 * 1)  An organophosphorus compound with chemical formula C8H4O3, used as a pesticide. [O,O-diethyl S-ethylthiomethyl phosphorodithioate ]
 * "Unlabelled phorate and terbufos were purified by Florisil column chromatography according to the method of Patchett and Batchelder."