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Chemical Identification
Common Name
Pentanochlor
中文通用名
甲氯酰草胺
IUPAC
(RS)-3′-chloro-2-methylvaler-p-toluidide
CAS
N-(3-chloro-4-methylphenyl)-2-methylpentanamide
CAS No.
2307-68-8
Molecular Formula
C13H18ClNO
Molecular Structure
Physical Properties
Molecular weight:239.7; Physical form:Colourless solid; ( tech., colourless to pale cream powder). Density:1.106 (20 °C); Melting point:85-86 °C (pure); 82-86 °C ( tech.); Vapour pressure:Very low at room temperature; Solubility:In water 8-9 mg/l (20 °C). In di-isobutyl ketone 460, isophorone 550, methyl isobutyl ketone 520, xylene 200-300, pine oil 410 (all in g/kg, 20 °C).; Stability:Stable to hydrolysis in neutral media at room temperature.
Toxicology
(Rat): Oral LD50 >10,000 mg/kg.Percutaneous:Slight irritation of skin and mucous membranes.
Environmental Profile
Ecotoxicology: 
Bees:Not very toxic to bees. Environmental fate: Soil:Similar to 3,4-dichloroaniline-based acylanilide herbicides; converted to 3-chloro-4-methylaniline. This does not accumulate but is converted to 3,3'-dichloro-4,4'-dimethylazobenzene.WATER SOLUBILITY: 8-9 mg/l at 20° C
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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