Direct Black 19

• Post Date:

  Aug 05,2016

• Expiry Date:

  Aug 05,2017

• Detailed Description:

  Cas No. :6428-31-5 APPEARANCE: BLACK POWDER
  SHADE:SIMILAR TO STANDARD
  STRENGTH:100%
  PACKING:25KG/50KG BAGS OR FOLLOWING THE REQUMENT OF CUSTOMER

• CAS Registry Number:

  6428-31-5

• Synonyms:

  ;C.I. 35255;C.I. Direct Black 19;C.I. Direct Black 19 (VAN);C.I. Direct Black 19, disodium salt;Direct Fast Black G;C.I.Direct Black 19;disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate;(3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid;Direct Black G;

• Molecular Formula:

  C₃₄H₂₇N₁₃Na₂S₂O₇

• Molecular Weight:

  839.77

• Molecular Structure:

  

• Company:

  Tianjin Leading Import & Export Co., Ltd.     [ China ]        

• Contact:

  MR ZHU

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