trisodium 5-[[4-[[7-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-1-naphthyl]azo]salicylate

CAS NO.：6473-15-0
Empirical Formula: C37H22N7Na3O11S2
Molecular Weight: 873.71019
EINECS: 229-327-9

What is trisodium 5-[[4-[[7-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-1-naphthyl]azo]salicylate ?

Preparation

5-Amino-2-hydroxybenzoic acid diazo, and Naphthalen-1-amine coupling, again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid??coupling, product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue gray. Soluble in water for blue purple. In the dark for the strong sulfuric acid, after diluted blue-ray black precipitation. The dye solution to join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution to blue.

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

Safety information for trisodium 5-[[4-[[7-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-1-naphthyl]azo]salicylate

New Products

1-Chloro-4-Methyl-2-Nitrobenzene 4-Bromo-2-chlorobenzonitrile 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile 1,3-Diethyl-1,3-Diphenylurea Methyl 2-methylquinoline-6-carboxylate 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile Stanozolol Ethinyl Estradiol Clarithromycin Boldenone Progesterone Vitamin D3 vegan 2,4-Difluoro-5-nitrobenzoicacid Methyl 2-oxo-2,3-dihydrobenzo[d]oxazole-7-carboxylate 3-Hydroxy-4-nitrobromobenzene 4-(2-Aminoethyl)-7-hydroxy-2H-chromoen-2-one 2-Ethyl-1,4-diaminobenzene 2-Ethylhexyl 4-aminobenzoate 2-(2-chloropyrimidin-4-yl)acetic acid Boc-Arg-OH HCl H2O Boc-His(Boc)-OH (4-(methylamino)phenyl)methanesulfonic acid 2-CTC Resin 2-(4-(tert-butoxycarbonyl)piperazin-2-yl)acetic acid

Related products of tetrahydrofuran

Direct Black 38

Benzoic acid, 5-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-1-naphthalenyl]azo]-2-hydroxy-, disodium salt

2-[benzenesulfonyl-(3-methylphenyl)amino]-N-(2-methoxy-5-methyl-phenyl)acetamide

2-Hydroxy-5-[[4'-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt

SIRIUS GREY G

Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes

Direct Black 56

DIRECT BLACK 51