Agent Name

Triazophos

CAS Number

24017-47-8

Formula

C12-H16-N3-O3-P-S

Major Category

Pesticides

Synonyms

1-Phenyl-1,2,4-triazolyl-3-(O,O-diethylthionophosphate); 1-Phenyl-3-(O,O-diethyl-thionophosphoryl)-1,2,4-triazole; HOE 2960; HOE 2960 OJ; Hostathion; O,O-Diethyl O-(1-phenyl-1H-1,2,4-triazol-3-yl) phosphorothioate (8CI)(9CI); O,O-Diethyl O-(1-phenyl-1H-1,2,4-triazol-3-yl)phosphorothioate; Phosphorothioic acid, 0,0-diethyl 0-(1-phenyl-1H-1,2,4-triazol-3-yl) ester; Triazofosz (Hungarian); Triazofos; [ChemIDplus] UN3018

Category

Organophosphate Insecticides

Description

Light brown liquid; mp = 0-5 deg C; [Merck Index] Yellowish liquid; [HSDB]

Sources/Uses

Used as broad spectrum insecticide and acaricide for fruit and cereals; [HSDB]

Comments

A cholinesterase inhibitor; Can be absorbed through skin; [CAMEO]

Restricted

Not registered with the EPA for use as pesticide in the US; [CAMEO] Banned in the EU for use as a biocide and agricultural insecticide; [eChemPortal: ESIS]

Reference Link

INCHEM JMPR: Triazophos - 2002

Exposure Assessment
BEI

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

Vapor Pressure

2.9E-6 mm Hg

Lethal Concentration

LC50 (rat) = 450 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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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: