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4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

Basic information Safety Supplier Related

4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Basic information

Product Name:
4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
Synonyms:
  • 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
  • C.I.22045
  • C.I.Direct Brown 165
  • Direct Para Brown MV
  • 2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-, disodium salt
  • C.I.Direct Brown 165:C.I.22045
  • Direct Brown 165
CAS:
6486-32-4
MF:
C28H21N7Na2O7S2
MW:
677.61858
Mol File:
6486-32-4.mol
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4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties

EPA Substance Registry System
C.I. Direct Brown 165 (6486-32-4)
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4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then and Benzene-1,3-diamine coupling.

Properties and Applications

brown. Soluble in water for blue-ray red. The strong sulfuric acid for blue-ray green, purple precipitation after diluted. The dye solution to join hydrochloric acid purple brown precipitation; Add thick sodium hydroxide solution is cherry red.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 5 3-4 2-3 3-4

4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium saltSupplier