毒莠定
Picloram
除草剂
  • 命  名
    NOMENCLATURE
  • 控制对象
    CONTROL OBJECT
  • 理化性质
    PHYSICAL CHEMISTRY
  • 应  用
    APPLICATIONS
  • 产品信息
    PRODUCT INFORMATION
  • 命名
    NOMENCLATURE
    通用名 毒莠定
    国际理论和应用化学联合会名称 4-amino-3,5,6-trichloropyridine-2-carboxylic acid; 4-amino-3,5,6-trichloropicolinic acid
    化学摘要名 4-amino-3,5,6-trichloro-2-pyridinecarboxylic acid
    CAS号 1918-02-1
    EC号
    控制对象
    CONTROL OBJECT
    针对作物
    控制对象
    理化性质
    PHYSICAL CHEMISTRY

    Composition Tech. is 77.9%. 

    Mol. wt. 241.5 

    M.f. C6H3Cl3N2O2 

    Form Light brown solid, with a chlorine-like odour. 

    M.p. Decomposes at c. 190 ºC before melting 

    V.p. 8×10-11 mPa (25 °C) 

    KOW logP = 1.9 (20 °C, 0.1N HCl, i.e. neutral species) 

    S.g./density Bulk density 0.895 (25 °C)  

    Solubility In water 0.056 g/100 ml (20 °C); pH of saturated water solution 3.0 (24.5 °C). In hexane <0.004, toluene 0.013, acetone 1.82, methanol 2.32 (all in g/100 ml, 20 °C)..  

    Stability Very stable to acids and alkalis, but decomposed by hot concentrated alkalis. Readily forms water-soluble alkali-metal and amine salts. In aqueous solution, decomposed by u.v. irradiation, DT50 2.6 d (25 ºC). 

    pKa 2.3 (22 ºC)

    应用
    APPLICATIONGS
    生物化学
    作用方式
    使用
    产品信息
    PRODUCT INFORMATION
    技术资料标准
    Testing itemsStandard(w/w)
    Content
    Loss of drying
    Water
    剂型
    含量
    包装
    复配
    典型施用量