Fenthion

Description

A pale brown liquid with a weak garlic odor. Fenthion is an organophosphate insecticide usually used on flying insects, such as flies and mosquitos. It works as a cholinesterase inhibitor.

Synonyms and Related Terms

o,o-dimethyl-o-[3-methyl-4-(methylthio)phenyl] phosphorothioate; Baytex [Mobay]; Entex; Tiguvon [Bayer AG]; Baycid; Bayer 29493; ENT-25540; S-1752; Lebaycid; Mercaptophos; Queletox; Talodex; Tiguvon

Other Properties

Soluble in methanol, ethanol. ether, acetone and many other organic solvents.

Insoluble in water.

Composition	C10H15O3PS2
CAS	55-38-9
Density	1.250
Molecular Weight	mol. wt. = 278.33
Refractive Index	1.5698

Hazards and Safety

Restricted use. Toxic by ingestion, inhalation, and skin absorption.

LINK: International Chemical Safety Card

Authority

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4044