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

CAS No.
5852-31-3
Chemical 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
Direct Violet 77;C.I.Direct Violet 77:C.I.28725;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
CBNumber:
CB44776433
Molecular Formula:
C31H21ClN6Na2O7S3
Molecular Weight:
767.16198
MDL Number:
MOL File:
5852-31-3.mol

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 Chemical Properties,Uses,Production

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 salt Preparation Products And Raw materials

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 5852-31-3