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5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt

Basic information Safety Supplier Related

5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt Basic information

Product Name:
5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
Synonyms:
  • 5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
  • C.I.22595
  • C.I.Direct Blue 64
  • Hispamin Blue HW
  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt
  • C.I.Direct Blue 64:C.I.22595
  • Direct Blue 64
CAS:
6426-74-0
MF:
C32H21N6Na3O11S3
MW:
830.70705
Mol File:
6426-74-0.mol
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5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt Chemical Properties

EPA Substance Registry System
C.I. Direct Blue 64 (6426-74-0)
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5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions in turn and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling.

Properties and Applications

dark blue. Soluble in water for blue, slightly soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for colourful blue, diluted for purple; In nitric acid solution for blue, to brown. The dye solution to join hydrochloric acid blue precipitation; Add 10% sodium hydroxide solution for Violet.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 5 2 1 3

5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium saltSupplier