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7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt

Basic information Safety Supplier Related

7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Basic information

Product Name:
7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
Synonyms:
  • 7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
  • C.I.22405
  • C.I.Direct Red 53
  • Oxamine Brilliant Red B
  • 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-((4'-((4-hydroxy-2-sulfophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt
  • C.I.Direct Red 53:C.I.22405
  • Direct Red 53
CAS:
6375-58-2
MF:
C28H18N5Na3O8S2
MW:
685.57053
Mol File:
6375-58-2.mol
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7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Chemical Properties

EPA Substance Registry System
C.I. Direct Red 53 (6375-58-2)
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7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and?3-Hydroxybenzenesulfonic acid coupling.

Properties and Applications

colourful red blue light. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid for purple to blue, Red sauce for diluted. Dye with strong hydrochloric acid solution for the red light purple purple, precipitation; Add thick sodium hydroxide solution for big red, precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 2 1-2 1
AATCC 3 3-4 2 2 1

7-Amino-4-hydroxy-3-[[4'-[(4-hydroxy-2-sodiosulfophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium saltSupplier