Butachlor

Agent Name
Butachlor
CAS Number
23184-66-9
Formula
C17-H26-Cl-N-O2
Major Category
Pesticides
Butachlor formula graphical representation
Synonyms
2',6'-Diethyl-N-butoxymethyl-2-chloroacetanilide; 2',6'-Diethyl-N-butoxymethyl-alpha-chloroacetanilide; 2-Chloro-2',6'-diethyl-N-(butoxymethyl)acetanilide; Acetamide, N-(butoxymethyl)-2-chloro-N-(2,6-diethylphenyl)-; Acetanilide, 2-chloro-2',6'-diethyl-N-(butoxymethyl)-; Acetanilide, N-(butoxymethyl)-2-chloro-2',6'-diethyl-; Amichlor; Bilchlor; Butaclor; Butanex; CP 53619; Delchlor; Delchlor 5G; Hiltachlor; Mach-Mach; Machete; Machete (herbicide); Machette; N-(Butoxymethyl)-2-chloro-2',6'-diethylacetanilide; N-(Butoxymethyl)-2-chloro-N-(2,6-diethylphenyl)acetamide; N-Butoxymethyl-alpha-chloro-2',6'-diethylacetanilide; Pillarsete; Rasayanchlor; SHA 112301; Weedout; [ChemIDplus]
Category
Herbicides, Chloracetanilide
Description
Amber or light yellow liquid; [HSDB] Light yellow liquid; [MSDSonline]
Sources/Uses
Used as herbicide for pre-emergence control of most annual grasses and some broadleaf weeds in seeded and transplanted rice grown in Asia, South America, Europe, and Africa; Not marketed in the US; [HSDB] Used in rice and barley; [Krieger, p. 1760]
Comments
No adverse effects in rats or dogs fed up to 1000 ppm for 2 years; [HSDB] May cause irritation; [MSDSonline]
Restricted
Not currently registered with the EPA for use in the US; [HSDB]
Biomedical References

Exposure Assessment

Vapor Pressure
2.9E-06 mm Hg
Half Life
Biological half-lives after exposure to high and low concentrations were 11.6 and 23.1 days, respectively; [HSDB]
NFPA
must be preheated

Adverse Effects

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

Processes

Industrial Processes with risk of exposure: