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
Empirical Formula: C30H22ClN6NaO7S3
Molecular Weight: 733.16
EINECS: 611-691-9

What is 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

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

Safety information for 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

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Related products of tetrahydrofuran

[1,1'-Biphenyl]-3,3'-dicarboxylicacid,4-[2-[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl]-4'-[2-(1-hydroxy-5-sulfo-2-naphthalenyl)diazenyl]-,sodium salt (1:4)

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

SIRIUS SUPRA RED VIOLET B

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

7-Benzoylamino-4-hydroxy-3-[[2-methoxy-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt

DIRECT VIOLET 66

tetrasodium 3-[[4-[[[[4-[(2-amino-8-hydroxy-6-sulphonato-1-naphthyl)azo]-3-sulphonatophenyl]amino]carbonyl]amino]-2-sulphonatophenyl]azo]-4-hydroxy-7-(phenylamino)naphthalene-2-sulphonate

7-(Benzoylamino)-4-hydroxy-3-[[2-methoxy-5-methyl-4-[(4-sulfophenyl)azo]phenyl]azo]-2-naphthalenesulfonic acid disodium salt