ACID BLACK 234

• Category :

  Dyestuffs and Pigments

• Synonyms :

  2,7-Naphthalenedisulfonic acid, 4-amino-3-(2-(4-(((4-(2-(2,4-diaminophenyl)diazenyl)phenyl)sulfonyl)amino)phenyl)diazenyl)-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2);2,7-Naphthalenedisulfonic acid, 4-amino-3-((4-(((4-((2,4-diaminophenyl)azo)phenyl)sulfonyl)amino)phenyl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt

• CAS NO :

  157577-99-6

• EC NO :

• Molecular Formula :

  C₃₄H₂₆N₁₀Na₂O₉S₃

• Molecular Weight :

  860.8

• Main Specifications :

• Product description :

  Product Name	Acid Black 234
  Appearance	black powder	black powder
  Color Tone	similar to standard	similar
  Strength	100±3 of standard	100%
  Moisture	≤3	≤1.2
  Insol.%	≤0.02	≤0.02
  Fineness%	80 meshes≤2%	pass
  Conclusion

• Usage :

  mainly used in the dyeing of leather, wool and silk

• Molecular Structure :