Agent Name

Monocrotophos

Alternative Name

Azodrin

CAS Number

6923-22-4

Formula

C7-H14-N-O5-P

Major Category

Pesticides

Synonyms

Azodrin; (E)-Dimethyl 1-methyl-3-(methylamino)-3-oxo-1-propenyl phosphate; 3-(Dimethoxyphosphinyloxy)N-methyl-cis-crotonamide; 3-Dimethoxyphosphinoyloxy-N-methylisocrotonamide; 3-Hydroxy-N-methyl-cis-crotonamide dimethyl phosphate ester; Aimocron; Apadrin; Azodrin; Azodrin 202R; Azodrin insecticide; Azodrin-71; Biloborn; Bilobran; C 1414; Ciba 1414; Corophos; Crisodrin; Croton 36; Crotonamide, 3-hydroxy-N-methyl-, dimethylphosphate, (E)-; Crotos; Dimethyl (E)-1-methyl-2-(methylcarbamoyl)vinyl phosphate; Dimethyl (E)-3-hydroxy-N-methylcrotonamide; Dimethyl 1-methyl-2-(methylcarbamoyl)vinyl phosphate, cis; Dimethyl phosphate ester of 3-hydroxy-N-methyl-cis-crotonamide; Dimethyl phosphate ester with (E)-3-hydroxy-N-methylcrotonamide; Dimethyl phosphate of 3-hydroxy-N-methyl-cis-crotonamide; Glore phos 36; Hazodrin; Monocil; Monocil 40; Monocron; Monocrotophos 40 EC; Monodrin; Monokrotofosz (Hungarian); Monostar; N-Desmethyl bidrin; Nuvacron; Nuvacron 20; O,O-Dimethyl cis-1-methyl-2-methylcarbamoylvinylphosphate; O,O-Dimethyl-O-(1-methyl-2-N-methyl-carbamoyl)-vinyl-phosphat [German]; O,O-Dimethyl-O-(2-N-methylcarbamoyl-1-methyl)-vinyl-phosphat [German]; O,O-Dimethyl-O-(2-N-methylcarbamoyl-1-methyl-vinyl) phosphate; O,O-Dimethyl-O-(2-N-methylcarbamoyl-1-methyl-vinyl)-fosfaat [Dutch]; O,O-Dimetil-O-(2-N-metilcarbamoil-1-metil-vinil)-fosfato [Italian]; OMS 834; Pandar; Parryfos; Phosphate de dimethyle et de 2-methylcarbamoyl 1-methylvinyle [French]; Phosphoric acid, dimethyl 1-methyl-3-(methylamino)-3-oxo-1-propenyl ester, (E)-; Phosphoric acid, dimethyl ester, ester with (E)-3-hydroxy-N-methylcrotonamide; Phosphoric acid, dimethyl ester, ester with 3-hydroxy-N-methylcrotonamide, (E)-; Phosphoric acid, dimethyl ester, ester with cis-3-hydroxy-N-methylcrotonamide; Pillardrin; Plantdrin; Rapid X; SD 9129; Shell SD 9129; Susvin; Ulvair; cis-1-Methyl-2-methyl carbamoyl vinyl phosphate; [ChemIDplus]

Category

Organophosphate Insecticides

Description

Colorless to reddish-brown solid with a mild, ester odor. [insecticide]; [NIOSH]

Sources/Uses

Used to kill insects and spider mites on cotton, sugarcane, peanuts, tobacco, and ornamentals; very toxic to birds and mammals. [EXTOXNET]

Comments

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

Restricted

All uses cancelled by the EPA in 1988; [EXTOXNET]

Reference Link

EXTOXNET PIP - MONOCROTOPHOS

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

7.0E-6 mm Hg

Lethal Concentration

LC50 (rat) = 63 mg/m3/4h

Adverse Effects
Other Poison

Carbamate

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

Biomedical References

Search PubMed

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: