7-Acetylamino-4-hydroxy-3-(2-sulfophenylazo)naphthalene-2-sulfonic acid disodium salt

CAS NO.：3443-89-8
Molecular Weight: 0

What is 7-Acetylamino-4-hydroxy-3-(2-sulfophenylazo)naphthalene-2-sulfonic acid disodium salt?

Preparation

2-Aminobenzenesulfonic acid diazo, and ?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

bright orange. Soluble in water and ethanol for gold orange. The strong sulfuric acid for gold in orange, with golden yellow diluted. In water solution to join strong hydrochloric acid for gold orange; Add thick sodium hydroxide solution for red light orange brown. Used for wool, silk fiber dyeing, etc.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	5-6	1-2	3	2-3	1-2	3	3	3

Safety information for 7-Acetylamino-4-hydroxy-3-(2-sulfophenylazo)naphthalene-2-sulfonic acid disodium salt

New Products

Aluminum oxide, basic Calcium hydroxide, 95% Diallylamine, 99% Diethyl succinate, 98% 2-Phenoxyethanol, 99% Cupric Carbonate 3-Methoxybenzonitrile Dibenzoyl Peroxide 4-Methoxybenzonitrile Titanium Dioxide Chloral Pentachlorobenzonitrile

Related products of tetrahydrofuran

sodium 7-[(chloroacetyl)amino]-4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate

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sodium 5-[[3-(anilinosulphonyl)-4-methylphenyl]azo]naphthalene-2-sulphonate

disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate

Benzenesulfonic acid, 2-[(1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt

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