Agent Name

Edifenphos

CAS Number

17109-49-8

Formula

C14-H15-O2-P-S2

Major Category

Pesticides

Synonyms

BAY 78418; Bay-Hinosan; Bayer 78418; Dithiophosphorsaeure-O-aethyl-S,S-diphenylester [German]; EDDP; EDDP (pesticide); Ediphenphos; Hinosan; O-Aethyl-S,S-diphenyl-dithiophosphat [German]; O-Ethyl S,S-diphenyl dithiophosphate; O-Ethyl-S,S-diphenyl phosphorodithioate; SRA 7847; [ChemIDplus] UN3018

Category

Fungicides

Description

Clear yellow to light brown liquid; [Merck Index]

Sources/Uses

Used as fungicide to protect rice; Not currently registered with the EPA for use in the US; [HSDB]

Comments

May cause skin sensitization; [eChemPortal: ESIS] In animal experiments, causes somnolence and seizures; Inhibits cholinesterase; [RTECS]

Reference Link

INCHEM JMPR: Edifenphos - 1981

Exposure Assessment
Vapor Pressure

2.7E-7 mm Hg

Lethal Concentration

LC50 (rat) = 650 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

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: