Acetochlor

Acetochlor Basic information
Description References
Product Name:Acetochlor
Synonyms:SACEMID(R);SURPASS(R);TROPHY(R);2-CHLORO-N-ETHOXYMETHYL-6'-ETHYLACET-O-TOLUIDIDE;HARNESS;HARNESS PLUS(R);ERUNITE(R);2’-Ethyl-6’-methyl-n-(ethoxymethyl)-2-chloro-acetylanilide
CAS:34256-82-1
MF:C14H20ClNO2
MW:269.77
EINECS:251-899-3
Product Categories:Agro-Chemicals;A-BAlphabetic;2000/60/EC;A;Alpha sort;Pesticides&Metabolites;AA to ALPesticides&Metabolites;Alphabetic;AmideMethod Specific;European Community: ISO and DIN;Herbicides
Mol File:34256-82-1.mol
Acetochlor Structure
Acetochlor Chemical Properties
Melting point <0°C
Boiling point bp0.4 torr 134°
density 1.1
refractive index nD20 1.5272
Fp >68°C
storage temp. 0-6°C
solubility Chloroform: Slightly Soluble,DMSO: Slightly Soluble,
form neat
pka1.29±0.50(Predicted)
Water Solubility 222.8mg/L(temperature not stated)
BRN 2859702
LogP3.030
CAS DataBase Reference34256-82-1(CAS DataBase Reference)
NIST Chemistry ReferenceAcetamide, 2-chloro-n-(ethoxymethyl)-n-(2-ethyl-6-methylphenyl)-(34256-82-1)
EPA Substance Registry SystemAcetochlor (34256-82-1)
Safety Information
Hazard Codes Xn;N,N,Xn
Risk Statements 20-37/38-43-50/53
Safety Statements 2-36/37-60-61
RIDADR UN3082 9/PG 3
WGK Germany 2
RTECS AB5457000
Hazardous Substances Data34256-82-1(Hazardous Substances Data)
ToxicityLD50 orally in rats: 1160 mg/kg (Upchurch)
MSDS Information
ProviderLanguage
Acenit English
Acetochlor Usage And Synthesis
DescriptionAcetochlor is a member of the chloroacetanilide compounds. It is used as herbicide to control against grasses and broadleaf weeds in corn, soya beans, sorghum and peanuts grown in high organic content. It is applied to the soil as a pre- and post-emergence treatment. It is mainly absorbed by the roots and leaves, inhibiting protein synthesis in shoot meristems and root tips.
References[1] N. Xiao, B. Jing, F. Ge and X. Liu, The fate of herbicide acetochlor and its toxicity to Eisenia fetida under laboratory conditions, Chemosphere, 2006, vol. 62, 1366-1373
[2] P. V. Sha and Angelo Moretto,  Acetochlor, WHO
UsesHerbicide.
DefinitionChEBI: A monocarboxylic acid amide that is N-phenylacetamide carrying an ethyl and a methyl group at positions 2 and 6 respectively on the benzene ring while one of the methyl hydrogens as well as the hydrogen attached to the nitrogen atom have been replaced by a chloro and an ethoxymethyl group respectively.
Agricultural UsesHerbicide: A U.S. EPA restricted Use Pesticide (RUP). Approval pending in the EU. A pre-emergence herbicide for control of annual grasses and broadleaf weeds. It is used on cabbage, citrus cops, coffee, all types of corn, cotton, green peas, maize, onion, peanuts, potatoes, vineyards, sugar cane, and sugar beets, among others. It is compatible with most other pesticides.
Trade nameACENIT®; CP 55097®; DEGREE®; ERUNIT®; FULTIME®; GUARDIAN®; HARNESS®; KEYSTONE LA®; MG 02®; MON 097®; MON 58420®; NEVIREX®; RELAY®; SACEMID®; SURPASS®; TOPHAND®; TOPNOTCH®; TROPHEE®; TROPHY®; WINNER®
Metabolic pathwayThe initial metabolism of acetochlor is investigated to delineate the detoxification pathway using tolerant corn and soybean seedlings. Acetochlor is rapidly absorbed and metabolized by etiolated corn seedlings to the glutathione conjugate and is also rapidly metabolized by etiolated soybean seedlings. However, the initial metabolite by soybean seedlings is the homoglutathione conjugate, not the glutathione conjugate.
Methylparaben Propisochlor Ethanol Bensulfuron methyl Machette Parathion-methyl Acetochlor 2-Ethylaniline Ethylparaben ISOXADIFEN-ETHYL Thiophanate-methyl Ethyl acetate Ethyl acrylate Methyl acrylate 4'-Aminoacetanilide Methyl bromide Acetanilide Ethyl cyanoacetate

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