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

disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate Structure
CAS No.
6492-66-6
Chemical Name:
disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate
Synonyms
C.I.17830;Direct Red 144;C.I.Direct Red 144;C.I.Direct Red 144:C.I.17830;Benzamin Brilliant Scarlet 3BN;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
CBNumber:
CB1881257
Molecular Formula:
C33H25N5Na2O9S
Molecular Weight:
713.62424
MOL File:
6492-66-6.mol

disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate Chemical Properties,Uses,Production

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]salicylate Preparation Products And Raw materials

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 6492-66-6