Acetochlor

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

2.8E-05 mm Hg

LC50 (rat) = 3,990 mg/m3/4H

Reference Link #2

Yes

MetHgb is secondary toxic effect

Other CNS neurotoxin

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)