sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate

CAS NO.：6222-55-5
Empirical Formula: C23H17N4NaO7S
Molecular Weight: 516.45845
EINECS: 228-304-0
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:13:15

What is sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate ?

Preparation

2-Methoxy-4-nitrobenzenamine diazo, in acid conditions and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications

blue and black. Blue-ray black powder. Soluble in water for purple to blue-black, soluble in ethanol for purple. The strong sulfuric acid are purple to blue-black, a grey purple diluted. Its water solution and strong hydrochloric acid for violet black; Add thick as a hydrogen oxidation solution tresses. Mainly used for wool fabric and wool/rayon blended fabric dyeing, pitch-black degree good, high fastness. Also used in leather dyeing.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	6	3	3	4	2		4-5
AATCC	6	3-4	3-4	4-5	1		4-5

Safety information for sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate

New Products

DL-beta-(3-Bromophenyl)alanine 1-Aminocyclopentane carbonitrile (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) Benzyl (3R,4S)-3-(2-bromoacetyl)-4-ethylpyrrolidine-1-carboxylate Amlodipine EP Impurity-C Budesonide Impurity-K/Budesonide 21-Acetate (Epimers) Gabapentine Impurity 72 Bicalutamide Impurity-B Betahistine EP Impurity C Carbamazepine EP Impurity G 2,2'-(5-methyl-1,3-phenylene)-di(2-Methylpropionitrile) 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene 5-Methyl-1,3-benzenediacetonitrile (R)-BoroLeu-(+)-Pinanediol-CF3COOH 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 3-Hydroxypropionitrile 4-Bromo Benzylcyanide valeronitrile 3,4 Dimethoxy Benzylcyanide 3-chlorobenzyl cyanide 2-Chloro Benzylcyanide

Related products of tetrahydrofuran

Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen

FAST SULPHON BLACK F

Sulphon Black RA

Acid Black 41

2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt

tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate

disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate

Benzoic acid, 4-[[7-[[4-[[4'-[[4-[(7-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-3,3'-disulfo[1,1'-biphenyl]-4-yl]azo]-2-methoxy-5-methylphenyl]azo]-8-hydroxy-6-sulfo-2-naphthalenyl]amino]-, hexasodium salt