Agent Name

Ethion

Alternative Name

Nialate

CAS Number

563-12-2

Formula

C9-H22-O4-P2-S4

Major Category

Pesticides

Synonyms

Nialate; AC 3422; Bis(S-(diethoxyphosphinothioyl)mercapto)methane; Diethion; Embathion; Ethanox; Ethiol 100; Ethodan; Ethopaz; Ethyl methylene phosphorodithioate; FMC-1240; Fosfatox E; Fosfono 50; Hylemox; KWIT; Methyleen-S,S'-bis(O,O-diethyl-dithiofosfaat) [Dutch]; Methylene-S,S'-bis(O,O-diaethyl-dithiophosphat) [German]; Niagara 1240; Nialate; O,O,O',O'-Tetraaethyl-bis(dithiophosphat) [German]; O,O,O',O'-Tetraethyl S,S'-methylene bisphosphorodithioate; O,O,O',O'-Tetraethyl S,S'-methylene di(phosphorodithioate); O,O,O',O'-Tetraethyl S,S'-methylenebis(phosphorodithioate); O,O,O',O'-Tetraethyl S,S'-methylenebisphosphordithioate; O,O,O',O'-Tetraethyl-S,S'-methylenebisphosphorodithioate; O,O,O,O-Tetraethyl S,S'-methylenebis(dithiophosphate); Phosphorodithioic acid, O,O-diethyl ester, S,S-diester with methanedithiol; Phosphotox E; RP 8167; Rhodocide; Rodocid; S,S'-Methylen-bis(O,O-diaethyl-dithiophosphat) [German]; S,S'-Methylene O,O,O',O'-tetraethyl di(phosphorodithioate) (8CI); S,S'-Methylene O,O,O',O'-tetraethyl phosphorodithioate; S,S'-Methylene bis(O,O-diethyl phosphorodithioate); Tetraethyl S,S'-methylene bis(phosphorothiolothionate); Vegfru fosmite; [ChemIDplus]

Category

Organophosphate Insecticides

Description

Colorless to amber-colored, odorless liquid. [insecticide] [Note: A solid below 10 degrees F. The technical product has a very disagreeable odor.]; [NIOSH]

Sources/Uses

Used on greenhouse crops, lawns, turf, and citrus and apple crops; also used on cattle and dormant trees; [EXTOXNET]

Comments

Classified as "moderately toxic"; [EXTOXNET]

Reference Link

EXTOXNET PIP - ETHION

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

1.5E-6 mm Hg

Reference Link

ATSDR - ToxFAQs - Ethion

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

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: