Agent Name

Phorate

Alternative Name

Thimet

CAS Number

298-02-2

Formula

C7-H17-O2-P-S3

Major Category

Pesticides

Synonyms

Thimet; AC 3911; Agrimet; American cyanamid 3,911; Dithiophosphate de O,O-diethyle et d'ethylthiomethyle [French]; EI3911; Experimental insecticide 3911; Foraat [Dutch]; Geomet; Granutox; L 11/6; Methanethiol, (ethylthio)-, S-ester with O,O-diethyl phosphorodithioate; Methanethiol, (ethylthio)-, S-ester with O,O-diethylphosphorodithioate; O,O-Diaethyl-S-(aethylthio-methyl)-dithiophosphat [German]; O,O-Diethyl S-(ethylthio)methyl phosphorodithioate; O,O-Diethyl S-ethylmercaptomethyl dithiophosphate; O,O-Diethyl S-ethylmercaptomethyl dithiophosphonate; O,O-Diethyl S-ethylthiomethyl dithiophosphonate; O,O-Diethyl S-ethylthiomethyl thiothionophosphate; O,O-Diethyl ethylthiomethyl phosphorodithioate; O,O-Diethyl-S-((ethylthio)methyl)phosphorodithioate; O,O-Diethyl-S-(ethylthio-methyl)-dithiofosfaat [Dutch]; O,O-Dietil-S-(etiltio-metil)-ditiofosfato [Italian]; Phorat [German]; Phorate-10G; Rampart; Thimenox; Thimet; Timet; VUAgT 182; Vegfru; Vegfru Foratox; [ChemIDplus]

Category

Organophosphate Insecticides

Description

Clear liquid with a skunk-like odor. [insecticide]; [NIOSH]

Sources/Uses

Used to kill insects in pine forests, ornamentals, root crops, and field crops (corn, cotton and coffee); [EXTOXNET]

Comments

Classified as "highly toxic" with an LD50 of 1.1 to 3.7 mg/kg in rats, phorate may be used only by certified applicators. [EXTOXNET]

Reference Link

EXTOXNET PIP - PHORATE

Exposure Assessment
BEI

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

Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.05 mg/m3, inhalable fraction and vapor

Vapor Pressure

0.0008 mm Hg

Lethal Concentration

LC50 (rat) = 11 mg/m3/1h

Reference Link

EPA Pesticide Chemical Search

Adverse Effects
Other Poison

Organophosphate

ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Biomedical References

Search PubMed

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: