Agent Name

Phenthoate

CAS Number

2597-03-7

Formula

C12-H17-O4-P-S2

Major Category

Pesticides

Synonyms

(Dimethyl S-(phenylethoxycarbonylmethyl)phosphorothiolothionate); Acetic acid, (O,O-dimethyldithiophosphorylphenyl)-, ethyl ester; Acetic acid, mercaptophenyl-, ethyl ester, S-ester with O,O-dimethyl phosphorodithioate; BAY 33051; BAY 18510; Bayer 18510; Benzeneacetic acid, alpha-((dimethoxyphosphinothioyl)thio)-, ethyl ester; Cidemul; Cidial; Cidial ULV; Dimefenthoat; Dimephenthioate; Dimephenthoate; ENT 23,438; ENT 27386; ENT 27386GC; Elsan; Elsan ULV; Ethyl 2-dimethoxyphosphinothioylthio(phenyl)acetate; Ethyl 2-dimethoxythiophosphorylthio-2-phenylacetate; Ethyl O,O-dimethylphosphorodithioyl phenyl acetate; Ethyl O,O-dimethylphosphorodithioylphenylacetate; Ethyl alpha-((dimethoxyphosphenothioyl)thio)benzeneacetate; Ethyl ester of O,O-dimethyldithiophosphoryl alpha-phenyl acetate; Ethyl mercaptophenylacetate O,O-dimethyl phosphorodithioate; Ethyl mercaptophenylacetate S-ester with O,O-dimethyl phosphorodithioate (8CI); Ethyl mercaptophenylacetate-O,O-dimethylphosphorodithioate; Fenthoate; L-561; Montecatini L-561; O,O-Dimethyl S-(1-carboethoxybenzyl) dithiophosphate; O,O-Dimethyl S-(alpha-ethoxycarbonylbenzyl) thiophosphate; O,O-Dimethyl S-(phenyl)(carboethoxy)methyl phosphorodithioate; O,O-Dimethyl S-alpha-ethoxycarbonylbenzyl phosphorodithioate; O,O-Dimethyl-S-(alpha-(carboethoxy)benzyl)phosphorodithioate; O,O-Dimethyl-S-(phenylacetic acid ethyl ester) phosphorodithioate; OMS 1075; PAP; Papthion; Phendal; Phenthoate 50 EC; S 2940; S-alpha-Ethoxycarbonylbenzyl O,O-dimethyl phosphorodithioate; S-alpha-Ethoxycarbonylbenzyl dimethyl phosphorothiolothionate; TH 346-1; TH-346-I; Tagson; Tanone; Tsidial; [ChemIDplus]

Category

Organophosphate Insecticides

Description

Colorless solid; mp = 17-18 deg C; Technical product: reddish-yellow liquid; [HSDB] Liquid; [MSDSonline]

Sources/Uses

Used as insecticide and acaricide for rice, vegetables, fruits, and tea; [HSDB]

Comments

No evidence of mutagenicity; [HSDB] In 116 week feeding study with rats cholinesterase activity was depressed, but no significant histopathological findings or increased tumor frequency; [Reference #1]

Restricted

Cancelled--no longer registered as a pesticide for use in the US; [HSDB]

Reference Link

INCHEM JMPR: Phenthoate - 1981

Exposure Assessment
BEI

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

Vapor Pressure

2.6E-6 mm Hg

Lethal Concentration

LC50 (rat) = 59 mg/m3/4h

Adverse Effects
Other Poison

Organophosphate

Links to Other NLM Databases
Health Studies

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Chemical Information

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Diseases

Occupational diseases associated with exposure to this agent:

Processes

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