5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt

Product Name
5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt
CAS No.
6406-01-5
Chemical Name
5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt
Synonyms
C.I.23560;Nsc242027;Direct Red 21;Hispamin red b;Benzopurpurine b;C.I.Direct Red 21;C.I.Direct Red 21:C.I.23560;C.I. Direct red 21, disodium salt;5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt;2-Naphthalenesulfonic acid, 5,5'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-amino-, disodium salt
CBNumber
CB72438000
Molecular Formula
C34H28N6NaO6S2+
Formula Weight
703.74249
MOL File
6406-01-5.mol
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Hazard and Precautionary Statements (GHS)

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5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt Chemical Properties,Usage,Production

Preparation

3,3′-Dimethylbenzidine double nitriding, and 6-Aminonaphthalene-2-sulfonic acid (2 Moore) coupled.

Properties and Applications

yellow light red. Moderate soluble in water for palm light orange, trace soluble in alcohol for red orange, insoluble in other organic solvents. The strong sulfuric acid for blue, Red sauce for shallow diluted. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 4-5 1 1-2 1-2

5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt Preparation Products And Raw materials

Raw materials

Preparation Products

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5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt Suppliers

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Hubei Jusheng Technology Co.,Ltd.
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6406-01-5, 5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] saltRelated Search:

Direct Red 224 tetrasodium [mu-[[7,7'-(carbonyldiimino)bis[4-hydroxy-3-[(2-hydroxy-5-sulphophenyl)azo]naphthalene-2-sulphonato]](8-)]]dicuprate(4-) 6-Amino-5-[[4'-[(2-amino-7-sulfo-1-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2-naphthalenesulfonic acid disodium salt DIRECT RED 227 C.I. Direct Red 216 DIRECT RED 24 C.I.Direct Red 207 Direct Red 23 DIRECT RED 239

  • 5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt
  • C.I.23560
  • C.I.Direct Red 21
  • 2-Naphthalenesulfonic acid, 5,5'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-amino-, disodium salt
  • Benzopurpurine b
  • C.I. Direct red 21, disodium salt
  • Hispamin red b
  • Nsc242027
  • sodium,6-amino-5-[[4-[4-[(2-amino-6-sulfonaphthalen-1-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-2-sulfonic acid
  • Direct Red 21
  • C.I.Direct Red 21:C.I.23560
  • 6406-01-5