Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-6-hydroxy-, disodium salt

Product Name
Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-6-hydroxy-, disodium salt
CAS No.
5852-30-2
Chemical Name
Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-6-hydroxy-, disodium salt
Synonyms
Direct Violet 78;C.I.Direct Violet 78:C.I.28720;Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-6-hydroxy-, disodium salt
CBNumber
CB44780964
Molecular Formula
C30H22ClN6NaO7S3
Formula Weight
733.16
MOL File
5852-30-2.mol
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Hazard and Precautionary Statements (GHS)

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Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-6-hydroxy-, disodium salt Chemical Properties,Usage,Production

Preparation

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

Properties and Applications

Red, purple. Moderate soluble in water for purplish red color, soluble in ethanol for product red. The strong sulfuric acid in blue, diluted red for brown. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick Red sauce sodium hydroxide solution have precipitation.

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

Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-6-hydroxy-, disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-7-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-6-hydroxy-, disodium salt Suppliers