Agent Name

Propaphos

CAS Number

7292-16-2

Formula

C13-H21-O4-P-S

Major Category

Pesticides

Synonyms

4-Methylthiophenyl dipropyl phosphate; Kayaphos; Kayphosnac; NK-1158; O,O-Di-n-propyl-O-(4-methylthiophenyl)phosphate; Phosphoric acid, dipropyl 4-methylthiophenyl ester; Propafos [ISO-French]; Phosphoric acid, 4-(methylthio)phenyl dipropyl ester; [ChemIDplus]

Category

Organophosphate Insecticides

Description

Colorless liquid; [HSDB] Yellowish liquid with a stench; [MSDSonline]

Sources/Uses

Used as systemic insecticide for rice; [HSDB]

Comments

Inhibited serum and erythrocyte cholinesterase activity in study with rats; [HSDB]

Restricted

Not commercially produced or used in the US; Likely discontinued for pesticide use worldwide (may still have active registrations in Japan and Taiwan); [HSDB]

Exposure Assessment
BEI

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

Vapor Pressure

9.0E-7 mm Hg

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: