精异丙甲草胺
S-metolachlor
除草剂
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    通用名 精异丙甲草胺
    国际理论和应用化学联合会名称 A mixture of (aRS,1S)-2-chloro-6'-ethyl-N-(2-methoxy-1-methylethyl)aceto-o-toluidide and (aRS,1R)-2-chloro-6'-ethyl-N-(2-methoxy-1-methylethyl)aceto-o-toluidide in the proportion 80-100% to 20-0%
    化学摘要名 A mixture of (S)-2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide and (R)-2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide in the proportion 80-100% to 20-0%
    CAS号 [87392-12-9] (S)- isomer; [178961-20-1] (R)- isomer
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    Composition A mixture of isomers in the proportion 80-100% (S)- to 20-0% (R)- 

    Mol. wt. 283.8 

    M.f. C15H22ClNO2  

    Form Clear yellow to brownish liquid, with an unspecific odour.  

    M.p. -61.1 °C 

    B.p. c. 334 °C/760 mmHg 

    V.p. 3.7 mPa (25 °C) 

    KOW logP = 3.05 (20 °C)  

    S.g./density 1.117 (20 °C) 

    Solubility In water 480 mg/l (25 °C) 

    Stability Hydrolysis DT50 >200 d (pH 7-9, 20 °C). 

    F.p. 190 °C (EEC A9)

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