Agent Name

Dioxathion

Alternative Name

Delnav

CAS Number

78-34-2

Formula

C12-H26-O6-P2-S4

Major Category

Pesticides

Synonyms

Delnav; 1,4-Diossan-2,3-diil-bis(O,O-dietil-ditiofosfato) [Italian]; 1,4-Diossan-2,3-diyl-bis(O,O-dietil-ditiofosfato) [Italian]; 1,4-Dioxaan-2,3-diyl-bis(O,O-diethyl-dithiofosfaat) [Dutch]; 1,4-Dioxan-2,3-diyl O,O,O',O'-tetraethyl di(phosphorodithioate); 1,4-Dioxan-2,3-diyl S,S-di(O,O-diethyl phosphorodithioate); 1,4-Dioxan-2,3-diyl bis(O,O-diethyl phosphorothiolothionate); 1,4-Dioxan-2,3-diyl bis(O,O-diethylphosphorothiolothionate); 1,4-Dioxan-2,3-diyl-bis(O,O-diaethyl-dithiophosphat) [German]; 2,3-Bis(diethoxyphosphinothioylthio)-1,4-dioxane; 2,3-P-Dioxan-S,S'-bis(O,O-diaethyldithiophosphat) [German]; 2,3-p-Dioxandithiol S,S-bis(O,O-diethyl phosphorodithioate); 2,3-p-Dioxanedithiol S,S-bis(O,O-diethyl phosphorodithioate); AC 528; Bis(dithiophosphate de O,O-diethyle) de S,S'-(1,4-dioxanne-2,3-diyle) [French]; Co-Nav; Delanov; Delnatex; Delnav; Deltic; Dioxane phosphate; Dioxathion; Dioxation; Dioxationum [INN-Latin]; Hercules 528; Hercules AC528; Kavadel; Navadel; Ruphos; S,S'-(1,4-Dioxane-2,3-diyl) O,O,O',O'-tetraethyl bis(phosphorodithioate); S,S'-(1,4-Dioxane-2,3-diyl) O,O,O',O'-tetraethyl di(phosphorodithioate); S,S'-1,4-Dioxane-2,3-diyl bis(O,O-diethyl phosphorodithioate) (9CI); S,S'-p-Dioxane-2,3-diyl bis(O,O-diethyl phosphorodithioate) (8CI); p-Dioxane-2,3-dithiol, S,S-diester with O,O-diethyl phosphorodithioate; p-Dioxane-2,3-diyl ethyl phosphorodithioate; [ChemIDplus] UN3018

Category

Organophosphate Insecticides

Description

Viscous, brown, tan, or dark-amber liquid. [insecticide] [Note: Technical product is a mixture of cis- & trans-isomers.]; [NIOSH]

Sources/Uses

Insecticide; acaricide; [HSDB]

Comments

Inhalation of high concentrations may cause CNS effects; Cholinesterase inhibitor; [ICSC]

Restricted

Registration was cancelled in 1994. [HSDB]

Exposure Assessment
BEI

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

Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.1 mg/m3, inhalable fraction and vapor

Vapor Pressure

8.76E-8 mm Hg

Lethal Concentration

LC50 (rat) = 1,398 mg/m3/1h

Adverse Effects
Other Poison

Organophosphate

ACGIH Carcinogen

Not Classifiable

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Diseases

Occupational diseases associated with exposure to this agent: