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disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate

Basic information Safety Supplier Related

disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate Basic information

Product Name:
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate
Synonyms:
  • disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate
  • 4,4'-Bis[(2-hydroxy-1-naphthalenyl)azo]-5,5'-dimethoxy-1,1'-biphenyl-2,2'-disulfonic acid disodium salt
  • 4,4'-Bis[(2-hydroxynaphthalen-1-yl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulfonic acid disodium salt
  • C.I.24500
  • C.I.Acid Red 86
  • Milling Red 6B
  • Acid Red 86
  • C.I.Acid Red 86:C.I.24500
CAS:
6428-81-5
MF:
C34H24N4Na2O10S2
MW:
758.6847
EINECS:
229-212-3
Mol File:
6428-81-5.mol
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disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate Usage And Synthesis

Preparation

5-Amino-4-methoxy-2-(4-amino-5-methoxy-2-sulfophenyl)benzenesulfonic acid?double nitriding, and Naphthalen-2-ol (2 Moore) coupled.

Properties and Applications

red. Moderate soluble in water and acetone in deep red, slightly soluble in alcohol. The strong sulfuric acid for purple, after diluted blue-purple precipitation. Add sodium hydroxide dark precipitation.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 2 3-4 4 3-4

disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonateSupplier

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disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate(6428-81-5)Related Product Information