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trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate

Basic information Safety Supplier Related

trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate Basic information

Product Name:
trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate
Synonyms:
  • trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate
  • 2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy- 6-[(2-methylphenyl)azo]-7-sulfo-2-naphthalenyl]amino ]carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)az o]-, trisodium salt
  • 4-Hydroxy-7-[[[[5-hydroxy-6-[(2-methylphenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonic acid trisodium salt
  • C.I.29175
  • C.I.Direct Red 62
  • 2-Naphthalenesulfonic acid, 4-hydroxy-7-((((5-hydroxy-6-(2-(2-methylphenyl)diazenyl)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-(2-(2-methyl-4-sulfophenyl)diazenyl)-, sodium salt (1:3)
  • Einecs 229-163-8
  • Trisodium 4-hydroxy-7-((((5-hydroxy-7-sulphonato-6-((o-tolyl)azo)-2-naphthyl)amino)carbonyl)amino)-3-((2-methyl-4-sulphonatophenyl)azo)naphthalene-2-sulphonate
CAS:
6420-43-5
MF:
C35H29N6NaO12S3
MW:
844.82
EINECS:
229-163-8
Product Categories:
  • Organics
Mol File:
6420-43-5.mol
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trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate Chemical Properties

EPA Substance Registry System
2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methylphenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)azo]-, trisodium salt (6420-43-5)
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trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate Usage And Synthesis

Preparation

4-Amino-3-methylbenzenesulfonic acid diazo, in acetic acid medium and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Methylaniline?diazo, in alkaline conditions and accidentally coupled nitrogen compounds.

Properties and Applications

colourful yellow red. Soluble in water for colourful red, insoluble in ethanol as a pale orange red, insoluble in other organic solvents. The strong sulfuric acid in red for quality, to orange diluted. The dye solution to join strong hydrochloric acid for orange brown, have precipitation; Add thick sodium hydroxide solution have red light orange brown precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4-5 4 2-3 3 3
AATCC 5 4 3 3 3-4

trisodium 4-hydroxy-7-[[[[5-hydroxy-7-sulphonato-6-[(o-tolyl)azo]-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate Supplier

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