2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt

CAS NO.：5850-46-4
Molecular Weight: 0

What is 2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt?

Preparation

2-Aminobenzoic acid diazotization and 2-(2-Hydroxynaphthalene-6-sulfonamido)benzoic acid coupling.

Properties and Applications

dark yellow red. Soluble in water and ethanol as golden orange. In concentrated sulfuric acid to orange, orange for gold after diluted. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join concentrated sodium hydroxide solution for orange.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
			Alkali	Acid
ISO	4-5	7	4-5	3	3-4	5	5

Safety information for 2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt

New Products

Tert-butyl bis(2-chloroethyl)carbamate (S)-3-Aminobutanenitrile hydrochloride N-Boc-D-alaninol N-BOC-D/L-ALANINOL N-octanoyl benzotriazole 3,4-Dibenzyloxybenzaldehyde 4-Hydrazinobenzoic acid 1,1’-CARBONYLDIIMIDAZOLE R-2-BENZYLOXY PROPIONIC ACID 3-NITRO-2-METHYL ANILINE 4-IODO BENZOIC ACID 4-HYDROXY BENZYL ALCOHOL 4-(3-chloropropyl)morpholine phenylhydrazine hydrochloride (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 5-BROMO-2CYANO PYRIDINE 5,6-Dimethoxyindanone 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine 4-methoxy-3,5-dinitropyridine 2-(Cyanocyclohexyl)acetic acid 2-aminopropyl benzoate hydrochloride 1-(4-(aminomethyl)benzyl)urea hydrochloride tert-butyl 4- (ureidomethyl)benzylcarbamate

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