Basic information Safety Supplier Related

5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt

Basic information Safety Supplier Related

5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Basic information

Product Name:
5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
Synonyms:
  • 5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
  • C.I.22455
  • C.I.Direct Blue 230
  • 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-((4'-((1-hydroxy-4-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt
  • 4-amino-5-oxido-6-[[4-[4-[(1-oxido-4-sulfonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-7-sulfonaphthalene-2-sulfonate
  • C.I.Direct Blue 230:C.I.22455
  • Direct Blue 230
CAS:
6527-65-7
MF:
C32H20N5Na3O11S3
MW:
818.73
Mol File:
6527-65-7.mol
More
Less

5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Chemical Properties

EPA Substance Registry System
C.I. Direct Blue 230 (6527-65-7)
More
Less

5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Usage And Synthesis

Preparation

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

Properties and Applications

blue

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 1-2 1-2 1-2

5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium saltSupplier