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

Product Name
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate
CAS No.
6428-81-5
Chemical Name
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate
Synonyms
C.I.24500;Acid Red 86;Milling Red 6B;C.I.Acid Red 86;C.I.Acid Red 86:C.I.24500;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
CBNumber
CB9924806
Molecular Formula
C34H24N4Na2O10S2
Formula Weight
758.6847
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 Chemical Properties,Usage,Production

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'-disulphonate Preparation Products And Raw materials

Raw materials

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

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6428-81-5, disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonateRelated Search:

EOSIN ACID RED 9 EOSIN B disodium 4-[(2,7-dihydro-3-methyl-2,7-dioxo-3H-dibenz[f,ij]isoquinolin-6-yl)amino]-benzene-1,3-disulphonate ACID RED 89 C.I. Acid Red 81 ACID RED 88 2-Chloro-4-[(2,7-dihydro-3-methyl-2,7-dioxo-3H-dibenz[f,ij]isoquinolin-6-yl)amino]benzenesulfonic acid sodium salt disodium 7-hydroxy-8-[[4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]naphthalene-1,3-disulphonate

  • 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
  • 6428-81-5