Agent Name

Dimethyl p-(methylthio)phenyl phosphate

CAS Number

3254-63-5

Formula

C9-H13-O4-P-S

Major Category

Pesticides

Synonyms

4-Methylthiophenyldimethyl phosphate; Allied GC-6506; Dimethyl-p-(methylthiofenyl)fosfat [Czech]; ENT 25734; Fenthion S 2145 oxon; GC 6506; HA-1200; O,O-Dimethyl O-(4-methylmercaptophenyl) phosphate; Phenol, p-(methylthio)-, dimethyl phosphate; Phosphoric acid, dimethyl 4-(methylthio)phenyl ester; Phosphoric acid, dimethyl p-(methylthio)phenyl ester; [ChemIDplus] UN3018

Category

Organophosphate Insecticides

Description

Colorless liquid; [HSDB]

Sources/Uses

Used as contact and systemic insecticide and acaricide; [HSDB]

Comments

No significant reduction in cholinesterase activity in rats fed 0.35 mg/kg for ten days; [HSDB] Highly toxic cholinesterase inhibitor; [CAMEO]

Exposure Assessment
BEI

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

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: