硫双威
Thiodicarb
杀虫剂
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  • 命名
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    通用名 硫双威
    国际理论和应用化学联合会名称 3,7,9,13-tetramethyl-5,11-dioxa-2,8,14-trithia-4,7,9,12-tetra-azapentadeca-3,12-diene-6,10-dione
    化学摘要名 dimethyl N,N'-[thiobis[(methylimino)carbonyloxy]]bis(ethanimidothioate)
    CAS号 59669-26-0
    EC号
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    Composition Tech. grade is 96% pure. 

    Mol. wt. 354.5 

    M.f. C10H18N4O4S3 

    Form Colourless crystals; (tech., pale tan crystals). 

    M.p. 173-174 ºC 

    V.p. 5.7 mPa (20 ºC) 

    KOW logP = 1.62 

    Henry 4.31×10-2 Pa m3 mol-1 (calc.) 

    S.g./density 1.44 g/ml (20 ºC) 

    Solubility In water 35 mg/l (25 ºC). In dichloromethane 150, acetone 8, methanol 5, xylene 3 (all in g/kg, 25 ºC). 

    Stability Stable at pH 6, rapidly hydrolysed at pH 9 and slowly at pH 3 (DT50 c. 9 d). Aqueous suspensions are decomposed by sunlight. Stable up to 60 ºC.

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    Testing itemsStandard(w/w)
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