Basic information Safety Supplier Related

disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate

Basic information Safety Supplier Related

disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate Basic information

Product Name:
disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate
Synonyms:
  • disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate
  • 5-[[4-[[6-[(4-Amino-3-methylphenyl)carbonylamino]-1-hydroxy-3-sulfo-2-naphtyl]azo]-3-methylphenyl]carbonylamino]-2-hydroxybenzoic acid disodium salt
  • Benzamin Brilliant Scarlet 3BN
  • C.I.17830
  • C.I.Direct Red 144
  • C.I.Direct Red 144:C.I.17830
  • Direct Red 144
CAS:
6492-66-6
MF:
C33H25N5Na2O9S
MW:
713.62424
EINECS:
229-368-2
Mol File:
6492-66-6.mol
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disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate Usage And Synthesis

Preparation

3-Methyl-4-amino-3-carboxy-4′-hydroxybenzanilide diazo, and 7-(4-Amino-3-methylbenzamido)-4-hydroxynaphthalene-2-sulfonic acid?coupling.

Properties and Applications

red. Slightly soluble in water and red to blue light for Claret, soluble in ethanol for red orange. The strong sulfuric acid to red light purple, diluted red for quality. The dye solution with strong hydrochloric acid have Red sauce precipitation; Add thick sodium hydroxide solution for product red.

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

disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylateSupplier