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3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

Basic information Safety Supplier Related

3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Basic information

Product Name:
3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
Synonyms:
  • 3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
  • C.I.22200
  • C.I.Direct Red 60
  • Diaphtamine Rubine HW
  • 2,7-Naphthalenedisulfonic acid, 3-amino-4-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt
  • Direct Red 60
  • C.I.Direct Red 60:C.I.22200
CAS:
6486-49-3
MF:
C32H21N6Na3O10S3
MW:
814.70765
Mol File:
6486-49-3.mol
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3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties

EPA Substance Registry System
C.I. Direct Red 60 (6486-49-3)
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3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)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 coupling with ?3-Aminonaphthalene-2,7-disulfonic acid, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue-ray red. Soluble in water for wine red, soluble in ethanol for red orange. In the dark for the strong sulfuric acid or purple, for the red light brown after diluted. Dye with strong hydrochloric acid solution for the red light brown, have precipitation; Add thick sodium hydroxide solution for red light orange brown.

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

3-Amino-4-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium saltSupplier