Agent Name

Bromophos-ethyl

CAS Number

4824-78-6

Formula

C10-H12-Br-Cl2-O3-P-S

Major Category

Pesticides

Synonyms

Bromofos-ethyl; Cela S 2225; ENT 27,258; Enkt 27258; Ethyl bromophos; Filariol; Nexagan; O,O-Diaethyl-O-(2,5-dichlor-4-bromphenyl)-thionophosphat [German]; O,O-Diaethyl-O-(4-brom-2,5-dichlor)-phenyl-monothiophosphat [German]; O,O-Diethyl O-(2,5-dichloro-4-bromophenyl) thiophosphate; O,O-Diethyl O-2,5-dichloro-4-bromophenyl-phosphorothioate; O,O-Diethyl-O-(4-broom-2,5-dichloor-fenyl)-monothiofosfaat [Dutch]; O,O-Dietil-O-(4-bromo-2,5 dicloro-fenil)-monotiofosfato [Italian]; O-(4-Bromo-2,5 dichlorophenyl) O,O-diethylphosphorothionate; O-(4-Bromo-2,5-dichlorophenyl) O,O-diethyl monothiophosphate; O-(4-Bromo-2,5-dichlorophenyl) O,O-diethyl phosphorothioate; OMS-659; Phenol, 4-bromo-2,5-dichloro-, O-ester with O,O-diethyl phosphorothioate; S-2225; Thiophosphate de O,O-diethyle et de O-(2,5-dichloro-4-bromo) phenyle; Thiophosphate de O,O-diethyle et de O-(2,5-dichloro-4-bromo) phenyle [French]; Phosphorothioic acid, O-(4-bromo-2,5-dichlorophenyl) O,O-diethyl ester; [ChemIDplus] UN3018

Category

Organophosphate Insecticides

Description

Colorless to pale yellow liquid; [Merck Index]

Sources/Uses

Used as acaricide, insecticide, and larvicide for fruit, vegetables, field crops, ornamentals, forestry, public health (i.e. flies and mosquitoes), animal houses, and animal dips; [HSDB]

Comments

Effects in high-dose animal studies include dyspnea, lacrimation, and convulsions; [RTECS] Besides cholinesterase inhibition, no superficial physical effects were observed in four week animal feeding studies; [INCHEM JMPR]

Restricted

No longer registered as a pesticide for use in the US; [HSDB]

Exposure Assessment
BEI

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

Lethal Concentration

LCLo (rat) = 16.6 ppm/2h

Explanatory Notes

VP = 4.6 x10-5 mm Hg at 30 deg C; [Merck Index] The Guide in the Emergency Response Guidebook is for "Organophosphorus pesticides, liquid, toxic."

Adverse Effects
Other Poison

Organophosphate

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Health Studies

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Chemical Information

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