trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate

Product Name
trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
CAS No.
6360-43-6
Chemical Name
trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
Synonyms
C.I.31860;Direct Brown 93;C.I.Direct Brown 93;Corium Chrome Brown MRG;C.I.Direct Brown 93:C.I.31860;trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate;4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphtyl]azo]-4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-2,2'-disulfonic acid trisodium salt;4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfonaphthalen-2-yl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulfonic acid trisodium salt
CBNumber
CB3923382
Molecular Formula
C34H23N8Na3O11S3
Formula Weight
884.75773
MOL File
6360-43-6.mol
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Hazard and Precautionary Statements (GHS)

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trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate Chemical Properties,Usage,Production

Preparation

2,2′-Disulfo-4,4,diaminobibenzene double nitriding, first with phenol?, and then in three alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling, product to diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

red light brown. Soluble in water for brown. The strong sulfuric acid in light color for palm red, red light brown after diluted precipitation. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick sodium hydroxide solution is palm red light.

trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

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trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate Suppliers

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6360-43-6, trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonateRelated Search:

Direct Green 100 5-Amino-6-[(2-chlorophenyl)azo]-4-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt Direct Green 102 4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt DIRECT BROWN 95 disodium 2'-[4-[[2,6-dihydroxy-3-[(4-sulphonatophenyl)azo]phenyl]azo]phenyl]-6-methyl[2,6'-bibenzothiazole]-7-sulphonate CALCOMINE DARK GREEN BG Direct Brown 79 Durazol Brown 4RNS

  • trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
  • 4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphtyl]azo]-4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-2,2'-disulfonic acid trisodium salt
  • 4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfonaphthalen-2-yl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulfonic acid trisodium salt
  • C.I.31860
  • C.I.Direct Brown 93
  • Corium Chrome Brown MRG
  • C.I.Direct Brown 93:C.I.31860
  • Direct Brown 93
  • 6360-43-6