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    Kunshan midstar dyestuff Chem. Co., Ltd.
    Products
    T.C.B(2,2'-5.5'-Tetrachlorobenzidine)

    Product name T.C.B(2,2'-5.5'-Tetrachlorobenzidine)
    Chemical name 2,2'-5.5'-Tetrachlorobenzidine
    Structural formula
    CAS NO. 15721-02-5
    EC NO. 239-815-3
    Molecular formula C12H10N2Cl4
    Molecular weight 324
    Properties White to greyish white crystal powder .It dissolves in ethylalcohol ,acid and in organic solvent.
    Appearance white to greyish white powder
    Purity ≥98%min
    Use pigment intermediates
    Package packed in 50kg paper board .bucked,it also can be parked in big (450×740).according to the requirement of the customers.

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    买球有什么外围软件
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