Agent Name

O,O-Dimethyl dithiophosphate

CAS Number

756-80-9

Formula

C2-H7-O2-P-S2

Major Category

Other Classes

Synonyms

Dimethyl phosphodithionate; Dimethyl phosphorodithioate; Dimethyldithiophosphoric acid; Kwas dwumetylo-dwutiofosforowy [Polish]; Kyselina O,O-dimethyldithiofosforcna [Czech]; O,O'-Dimethyl hydrogen dithiophosphate; O,O-Dimethyl dithiophosphoric acid; O,O-Dimethyl phosphorodithioate; O,O-Dimethyl phosphorodithioic acid; O,O-Dimethyldithiophosphate; O,O-Dimethylphosphorodithioate; Phosphorodithioic acid, O,O-dimethyl ester; [ChemIDplus] Dimethyldithiophosphate; DMDTP; [CDC]

Category

Organophosphates, Other

Sources/Uses

Used to make insecticides such as malathion, azinphos-methyl, phosmet, and methidathion; [HSDB]

Comments

A human metabolite of many organophosphate pesticides; Emergency treatment: Organophosphates; [HSDB] Dialkyl phosphate metabolites are considered non-toxic and do not inhibit cholinesterase activity like their parent pesticides; May also be found in the environment as a result of organophosphate pesticide degradation; [CDC] A severe eye and moderate skin irritant; Causes effects to male fertility index in repeated inhalation studies of rats; [RTECS]

Exposure Assessment
Lethal Concentration

LC50 (rat) = 1,700 mg/m3/4h

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