2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, disodium salt

CAS No.
5873-30-3
Chemical Name:
2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, disodium salt
Synonyms
Direct Violet 72;C.I.Direct Violet 72:C.I.28270;2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, disodium salt
CBNumber:
CB14752322
Molecular Formula:
C33H31N6NaO9S2
Molecular Weight:
742.75
MDL Number:
MOL File:
5873-30-3.mol

2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, disodium salt Chemical Properties,Uses,Production

Preparation

2-Amino-3,5-dimethylbenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product to diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

dark purple. Soluble in water for purplish red color, soluble in ethanol for product red. The strong sulfuric acid in dark green light for blue, for purple diluted. The dye solution with strong hydrochloric acid have precipitation of dark; Add thick sodium hydroxide solution for dark purple.

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

2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, disodium salt Preparation Products And Raw materials

2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, disodium salt C.I.Direct Violet 72:C.I.28270 Direct Violet 72 5873-30-3