Basic information Safety Supplier Related

disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate

Basic information Safety Supplier Related

disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate Basic information

Product Name:
disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
Synonyms:
  • disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate
  • 5-[[4'-[[7-(Acetylamino)-1-hydroxy-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
  • C.I.22360
  • C.I.Direct Red 88
  • Benzoic acid, 5-((4'-((7-(acetylamino)-1-hydroxy-3-sulpho-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
  • Disodium 5-((4'-((7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)salicylate
  • Einecs 229-269-4
  • C.I.Direct Red 88:C.I.22360
CAS:
6459-86-5
MF:
C31H21N5Na2O8S
MW:
669.57168
EINECS:
229-269-4
Mol File:
6459-86-5.mol
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disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate Chemical Properties

EPA Substance Registry System
C.I. Direct Red 84 (6459-86-5)
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disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and?6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling.

Properties and Applications

dark red red to blue light. Soluble in water is cherry red. The strong sulfuric acid for dark red light purple, diluted for brown. The dye solution to join strong hydrochloric acid have brown light purple precipitation; Add thick sodium hydroxide solution for red light brown, a brick red precipitate

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

disodium 5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylateSupplier

Shree Hari Organic
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