Benzenesulfonic acid, 5-[(4-amino-2-hydroxy-5-methylphenyl)azo]-2-[4-[(4-amino-2-hydroxy-5-methylphenyl)azo]phenoxy]-, monosodium salt

CAS NO.：6661-24-1
Empirical Formula: C26H23N6NaO6S
Molecular Weight: 570.55219
EINECS: 613-955-9

What is Benzenesulfonic acid, 5-[(4-amino-2-hydroxy-5-methylphenyl)azo]-2-[4-[(4-amino-2-hydroxy-5-methylphenyl)azo]phenoxy]-, monosodium salt?

Preparation

4,4′-Diaminodiphenylether-2-sulfonic acid double nitriding, and 3-Amino-4-methylphenol(2 Moore) coupled.

Properties and Applications

dark yellow orange. Moderate soluble in water for orange brown, slightly soluble in ethanol for yellow orange. The strong sulfuric acid for dark orange brown, diluted for orange brown. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick sodium hydroxide solution for red light brown.

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

Safety information for Benzenesulfonic acid, 5-[(4-amino-2-hydroxy-5-methylphenyl)azo]-2-[4-[(4-amino-2-hydroxy-5-methylphenyl)azo]phenoxy]-, monosodium salt

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5,5'-[[6-[[5-Hydroxy-6-[(2-carboxyphenyl)azo]-7-sulfo-2-naphthalenyl]amino]-1,3,5-triazine-2,4-diyl]bis[imino(4,1-phenylene)azo]]bis[2-hydroxybenzoic acid]

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disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate

ERIE GARNET

Benzoic acid, 5-[[[[3-carboxy-4-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]phenyl]amino]carbonyl]amino]-2-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]-, trisodium salt

CHLORAMINE FAST RED

DIRECTRED11