Acetochlor

Agent Name
Acetochlor
CAS Number
34256-82-1
Formula
C14-H20-Cl-N-O2
Major Category
Pesticides
Acetochlor formula graphical representation
Synonyms
2-Chloro-2'-methyl-6-ethyl-N-ethoxymethylacetanilide; 2-Chloro-N-(ethoxymethyl)-6'-ethyl-o-acetotoluidide; 2-Chloro-N-(ethoxymethyl)-6'-ethylacet-o-toluidide (8CI); 2-Chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide; Acenit; Acetamide, 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)- (9CI); Acetochlore; Acetochlore [ISO-French]; Azetochlor; Erunit; Harness; MG 02; MON 097; Nevirex; o-Acetotoluidide, 2-chloro-N-(ethoxymethyl)-6'-ethyl- (8CI); [ChemIDplus]
Category
Herbicides, Chloracetanilide
Description
Light amber to violet oily liquid; [HSDB] Light yellow liquid; [MSDSonline]
Sources/Uses
Used as selective pre-emergence herbicide for control of most annual grasses, certain annual broad-leaved weeds, and yellow nutsedge; [HSDB] Registered for use on field corn and popcorn; [EPA REDs]
Comments
A skin and respiratory tract irritant; May cause skin sensitization; [eChemPortal: ESIS] Caused mild skin and eye irritation to the eyes of rabbits; Other effects in high-dose animal studies include changes to the liver, convulsions, dyspnea, and methemoglobinemia; [RTECS] No significant adverse effects were observed in rats following 800 ppm oral dose over 90 days; [HSDB] No toxicity reported in workers manufacturing or handling Acetochlor; [Reference #2]
Reference Link #1
Biomedical References

Exposure Assessment

Vapor Pressure
2.8E-05 mm Hg
Lethal Concentration
LC50 (rat) = 3,990 mg/m3/4H
Reference Link #2

Adverse Effects

Skin Sensitizer
Yes
Methemoglobinemia
MetHgb is secondary toxic effect
Neurotoxin
Other CNS neurotoxin
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: