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Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-2,5-dimethylphenyl]azo]-6-hydroxy-, disodium salt

Basic information Safety Supplier Related

Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-2,5-dimethylphenyl]azo]-6-hydroxy-, disodium salt Basic information

Product Name:
Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-2,5-dimethylphenyl]azo]-6-hydroxy-, disodium salt
Synonyms:
  • Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-2,5-dimethylphenyl]azo]-6-hydroxy-, disodium salt
  • C.I.Direct Violet 77:C.I.28725
  • Direct Violet 77
CAS:
5852-31-3
MF:
C31H21ClN6Na2O7S3
MW:
767.16198
EINECS:
611-692-4
Mol File:
5852-31-3.mol
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Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-2,5-dimethylphenyl]azo]-6-hydroxy-, disodium salt Usage And Synthesis

Preparation

2-Amino-5-chlorobenzenesulfonic acid diazo, and 2,5-Dimethylbenzenamine?coupling, its product to diazo, and 2-(4-Aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid coupling.

Properties and Applications

blue purple. Moderate soluble in water for purplish red color, soluble in ethanol for red light purple. The strong sulfuric acid for green light blue, diluted red for brown. Dye with strong hydrochloric acid solution for red sauce, precipitation; Add thick sodium hydroxide solution has the purple precipitation.

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

Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-2,5-dimethylphenyl]azo]-6-hydroxy-, disodium saltSupplier