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

Basic information Safety Supplier Related

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

Product 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:
  • 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
CAS:
5873-30-3
MF:
C33H31N6NaO9S2
MW:
742.75
EINECS:
611-742-5
Mol File:
5873-30-3.mol
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2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-, disodium salt Usage And Synthesis

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 saltSupplier