Agent Name

Chlorethoxyfos

CAS Number

54593-83-8

Formula

C6-H11-Cl4-O3-P-S

Major Category

Pesticides

Synonyms

Chloroethoxyfos; Chlorethoxyphos; DPX 43898; Fortress; O,O-Diethyl O-(1,2,2,2-tetrachloroethyl) phosphorothioate; SD 208304; Phosphorothioic acid, O,O-diethyl O-(1,2,2,2-tetrachloroethyl) ester; [ChemIDplus] UN3018

Category

Organophosphate Insecticides

Description

Colorless liquid; May also be white solid; [Merck Index] Colorless liquid; [ICSC]

Sources/Uses

Used as soil insecticide for corn; [Merck Index]

Comments

May be absorbed through skin; A cholinesterase inhibitor; [ICSC] Moderately irritating and highly toxic to the eyes of rabbits; Non-irritating to rabbit skin and non-sensitizing to guinea pig skin; [HSDB] The average of two baseline respective cholinesterase activity determinations three days apart, with no exposures to enzyme inhibiting pesticides for at least 30 days, is recommended for each worker prior to exposure to cholinesterase inhibitors because of large inter-individual differences in published baseline values. To be established at least once a year. Removal from workplace exposures is recommended until the cholinesterase activity returns to within 20% of baseline. [TLVs and BEIs]

Reference Link

EPA Pesticide Chemical Search

Exposure Assessment
BEI

Acetylcholinesterase activity in red blood cells = 70% of individual's baseline; Butylcholinesterase activity in serum or plasma = 60% of individual's baseline; Sample at end of shift; [TLVs and BEIs]

Vapor Pressure

0.000795 mm Hg

Lethal Concentration

LC50 (rat) = 0.58 ppm/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Organophosphorus pesticide, liquid, toxic."

Adverse Effects
Other Poison

Organophosphate

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: