5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt

Product Name
5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt
CAS No.
4623-91-0
Chemical Name
5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt
Synonyms
C.I.31710;Direct Bronze G;Direct Brown 51;C.I.Direct Brown 51;Diaphtamine Bronze SH;C.I.Direct Brown 51:C.I.31710;5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt;Benzoic acid, 5-((4'-((8-((2,4-diaminophenyl)azo)-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt
CBNumber
CB32344790
Molecular Formula
C35H26N8O10S2.3Na
Formula Weight
851.74
MOL File
4623-91-0.mol
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5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt Property

EPA Substance Registry System
C.I. Direct Brown 51 (4623-91-0)
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Hazard and Precautionary Statements (GHS)

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5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt Chemical Properties,Usage,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding,first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, its product to diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

brown olive green light.

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

5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt Suppliers

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4623-91-0, 5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium saltRelated Search:

Direct Brown 44:1 DIRECT BROWN 44 trisodium 5-[[4'-[[8-[(2,4-diaminophenyl)azo]-1-hydroxy-3,6-disulphonato-2-naphthyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]salicylate sodium 4-[[diamino(naphthylazo)phenyl]azo]naphthalene-1-sulphonate DIRECT BROWN 39 2-Hydroxy-5-[[4'-[[2,6-dihydroxy-3-[(3-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt C.I. Direct Brown 46 5-[[2,4-Diamino-5-[(8-hydroxy-6-sodiosulfo-2-naphthalenyl)azo]phenyl]azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

  • 5-[[4'-[[8-[(2,4-Diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt
  • C.I.31710
  • C.I.Direct Brown 51
  • Diaphtamine Bronze SH
  • Direct Bronze G
  • Benzoic acid, 5-((4'-((8-((2,4-diaminophenyl)azo)-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, trisodium salt
  • C.I.Direct Brown 51:C.I.31710
  • Direct Brown 51
  • 4623-91-0