Agent Name

Butonate

CAS Number

126-22-7

Formula

C8-H14-Cl3-O5-P

Major Category

Pesticides

Synonyms

2,2,2-Trichloro-1-(dimethoxyphosphinyl)ethyl butanoate; Butanoic acid, 2,2,2-trichloro-1-(dimethoxyphosphinyl)ethyl ester; Butilchlorofos; Butonat [German]; Butonate [ISO]; Butonato [INN-Spanish]; Butonatum [INN-Latin]; Butyric acid, ester with dimethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate; Dimethoxy-2,2,2-trichloro-1-n-butyryloxy-ethylphospine oxide; Dimethyl (2,2,2-trichloro-1-butyryloxyethyl)phosphonate; Dimethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate butyric acid ester; Dimethyl 1-butyryloxy-2,2,2-trichloroethylphosphonate; Dimethyl 2,2,2-trichloro-1-n-butyryloxyethylphosphonate; ENT 20,852; ENT 20852; F 139; F-139; Fekama AT 50; O,O-Dimethyl (2,2,2-trichloro-1-hydroxyethyl) phosphonate ester of butyric acid; O,O-Dimethyl (2,2,2-trichloro-1-n-butyryloxyethyl)phosphonate; O,O-Dimethyl-(1-butyryloxy-2,2,2-trichloroethyl) phosphonate; O,O-Dimethyl-(1-n-butyryloxy-2,2,2-trichloraethyl)-phosphonsaeureester; O,O-Dimethyl-2,2,2-trichloro-1-phosphonoethyl butyrate; Pedix PE 50; Pedix-50; Pedix-butonate; Phosphonic acid, (2,2,2-trichloro-1-hydroxyethyl)-, dimethyl ester, butyrate; T-113; Tribufon; [ChemIDplus]

Category

Organophosphate Insecticides

Description

Colorless liquid; [HSDB]

Sources/Uses

Used as insecticide and veterinary anthelmintic (schistosoma and nematodes) and ectoparasiticide; [HSDB]

Comments

A cholinesterase inhibitor; [Hawley] No visible evidence of toxicity besides inhibition of cholinesterase activity in animal feeding studies; Not mutagenic; [HSDB]

Restricted

No longer registered as a pesticide for use in the US; [HSDB]

Exposure Assessment
BEI

Cholinesterase activity in red cells = 70% of individual's baseline, sample time discretionary; [ACGIH]

Vapor Pressure

0.000112 mm Hg

Adverse Effects
Other Poison

Organophosphate

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