Agent Name

Alachlor

CAS Number

15972-60-8

Formula

C14-H20-Cl-N-O2

Major Category

Pesticides

Synonyms

Trade names of products containing alachlor include Alanex, Bronco, Cannon, Crop Star, Lariat, Lasso, and Partner. [EXTOXNET]

Category

Herbicides, Chloracetanilide

Description

Granules or emulsifiable concentrate; [EXTOXNET]

Sources/Uses

Used as a systemic herbicide; [EXTOXNET] Used as a pre-emergent herbicide to control grasses and broadleaf weeds; [ACGIH] Used in corn, soybeans, dry beans, cotton, sorghum, sunflowers, peanuts, and other crops; [Krieger, p. 1753]

Comments

Allergic contact dermatitis rarely reported in a farmworkers; [Kanerva, p. 1746] The following herbicides have an oral LD50 of >1 gm/kg and have little or no acute toxicity in humans: Alachlor, Amitrole, Ammonium sulfamate, Atrazine, Dalapon, Dicamba, Glyphosphate, Monuron, Oryzalin, Picloram, Propanil, Simazine, etc. [LaDou, p. 613] Alachlor is a Restricted Use Pesticide that is classified as slightly toxic. In chronic feeding studies of experimental animals, it causes injury to the liver and kidneys. [EXTOXNET] A dermal sensitizer; [ACGIH]

Restricted

Resticted Use Pesticide (purchased & used only by certified applicators);

Reference Link

Allergic contact dermatitis from the herbicide Alachlor

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TLV (ACGIH)

1 mg/m3, inhalable fraction and vapor

Vapor Pressure

2.2E-5 mm Hg

Reference Link

EXTOXNET PIP - ALACHLOR

Adverse Effects
Skin Sensitizer

Yes

Hepatotoxin

Hepatotoxin, Secondary

ACGIH Carcinogen

Confirmed Animal

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: