Agent Name

Thiometon

CAS Number

640-15-3

Formula

C6-H15-O2-P-S3

Major Category

Pesticides

Synonyms

2-Ethylthioethyl O,O-dimethyl phosphorodithioate; BAY 23129; Bay 21/116; Bayer 23129; Compound M-81; Dithiometasystox; Dithiomethon; Dithiometon [French]; Dithiophosphate de O,O-dimethyle et de S-(2-ethylthio-ethyle) [French]; Ebicid; Ekatim; Ekatin; Ekatin ULV; Ekatin WF; Ekatin WF ULV; Ekatin aerosol; Ekatine-25; Ethanethiol, 2-(ethylthio)-, S-ester with O,O-dimethyl phosphorodithioate; Intrathion; Intration; Luxistelm; M 81; M 81 (van); O,O-Dimethyl S-(2-(ethylthio)ethyl) phosphorodithioate; O,O-Dimethyl-S-(2-aethylthio-aethyl)-dithio phosphat [German]; O,O-Dimethyl-S-(2-ethylmercaptoethyl) dithiophosphate; O,O-Dimethyl-S-(2-ethylthio-ethyl)-dithiofosfaat [Dutch]; O,O-Dimethyl-S-2-ethylmerkaptoethylester kyseliny dithiofosforecne [Czech]; O,O-Dimetil-S-(etiltio-etil)-ditiofosfato; O,O-Dimetil-S-(etiltio-etil)-ditiofosfato [Italian]; Phosphorodithioic acid, O,O-dimethyl S-(2-ethylthio)ethyl ester; Phosphorodithioic acid, S-(2-(ethylthio)ethyl) O,O-dimethyl ester; S-(2-(Ethylthio)ethyl) O,O-dimethyl phosphorodithioate (8CI)(9CI); S-(2-(Ethylthio)ethyl) O,O-dimethyl phospohorodithioate; S-(2-(Ethylthio)ethyl) O,O-dimethylphosphorodithionate; S-(2-(Ethylthio)ethyl)dimethyl phosphorothiolothionate; SAN 230; Thiometon; Veltin; [ChemIDplus] UN3018

Category

Organophosphate Insecticides

Description

Colorless oily liquid; [ICSC]

Sources/Uses

Used as systemic insecticide to protect ornamentals, fruits, vegetables, and other crops; [HSDB]

Comments

A cholinesterase inhibitor that may cause nervous system effects; Can be absorbed through skin; [ICSC] A weak mutagen; [HSDB] Cholinesterase inhibition observed in short term animal studies, but no adverse histopathological or other changes; No evidence of delayed neurotoxicity, significant reproductive toxicity, or teratogenicity in animal studies; [Reference #1]

Reference Link

INCHEM PDS: Thiometon - 1988

Exposure Assessment
BEI

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

Vapor Pressure

1.7E-5 mm Hg

Lethal Concentration

LCLo (rat) = 20 mg/m3/4h

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: