广西快3

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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