THOMAS H. LEWIS, M.D.
Hexaethyltetraphosphate (HETP) is one of several organic phosphate insecticides which have been finding wide agricultural use since their development by the Germans during World War II. HETP is a heavy, yellow, syrupy liquid, miscible with water and readily absorbed in dangerous amounts through the skin, the gastrointestinal tract and the pulmonary system. It consists of a mixture of phosphoric acid esters, the principal insecticidal fraction being 15 to 20 per cent tetraethylpyrophosphate (TEPP).1 HETP is manufactured under a variety of brand names and is used in water solutions as a spray. The related compounds, TEPP (a similar ester mixture containing
LEWIS TH. THE TOXIC EFFECTS OF HEXAETHYLTETRAPHOSPHATE IN MAN: A CASE REPORT1. Ann Intern Med. ;37:384–388. doi: 10.7326/0003-4819-37-2-384
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Published: Ann Intern Med. 1952;37(2):384-388.
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