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Direct Fast Black G

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  Post Date: Jul 06,2025
  Expiry Date: Jan 02,2026
  Detailed Description: Cas No. :6428-31-5

  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: 6428-31-5 Direct Black 19

  Company: Shijiazhuang Zhonghui Chemical Co., Ltd.     [ China ]          
  Contact:
  Tel: 86-311-85520176 85520177 85520
  Fax: 86-311-85520175
  Email: yanhui@zhonghuidyes.com
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