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Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt

Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt Structure
CAS No.
6404-53-1
Chemical Name:
Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt
Synonyms
Direct Red 168;C.I.Direct Red 168:C.I.19575;Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt
CBNumber:
CB14766156
Molecular Formula:
C25H19N4NaO4S2
Molecular Weight:
526.56253
MOL File:
6404-53-1.mol
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Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt Chemical Properties,Uses,Production

Preparation

2,4-Dimethylbenzenamine diazo, and 2-(3-Aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid coupling.

Properties and Applications

red. Soluble in water for red or orange brown, slightly soluble in ethanol for red orange. The strong sulfuric acid for product red, diluted becomes shallow or for red orange. The dye solution to join strong sodium hydroxide solution have orange brown precipitation; Join strong hydrochloric acid have article red precipitate or red precipitate.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 5 2 3 3-4

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

Raw materials

2-(3-aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid 2,4-Dimethyl aniline

Preparation Products

6404-53-1(Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt)Related Search:

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Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(3-aminophenyl)-7-[(2,4-dimethylphenyl)azo]-6-hydroxy-, monosodium salt C.I.Direct Red 168:C.I.19575 Direct Red 168 6404-53-1