disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate

CAS NO.：6428-81-5
Empirical Formula: C34H24N4Na2O10S2
Molecular Weight: 758.6847
EINECS: 229-212-3

What is disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate?

Preparation

5-Amino-4-methoxy-2-(4-amino-5-methoxy-2-sulfophenyl)benzenesulfonic acid?double nitriding, and Naphthalen-2-ol (2 Moore) coupled.

Properties and Applications

red. Moderate soluble in water and acetone in deep red, slightly soluble in alcohol. The strong sulfuric acid for purple, after diluted blue-purple precipitation. Add sodium hydroxide dark precipitation.

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

Safety information for disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate

New Products

(E)-1-Ethoxyethene-2-boronic Acid Pinacol Ester 1,3-Diethyl-1,3-Diphenylurea 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile Methyl 2-methylquinoline-6-carboxylate 2,4-dihydroxybenzaldehyde 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 1,3-Di Iodo Benzene Methyl 2-oxo-2,3-dihydrobenzo[d]oxazole-7-carboxylate 4-(2-Aminoethyl)-7-hydroxy-2H-chromoen-2-one 3-Hydroxy-4-nitrobromobenzene 2-Ethyl-1,4-diaminobenzene 2-Ethylhexyl 4-aminobenzoate Thio Acetamide

Related products of tetrahydrofuran

disodium 7-hydroxy-8-[[4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]naphthalene-1,3-disulphonate

2-Chloro-4-[(2,7-dihydro-3-methyl-2,7-dioxo-3H-dibenz[f,ij]isoquinolin-6-yl)amino]benzenesulfonic acid sodium salt

ACID RED 88

C.I. Acid Red 81

ACID RED 89

disodium 4-[(2,7-dihydro-3-methyl-2,7-dioxo-3H-dibenz[f,ij]isoquinolin-6-yl)amino]-benzene-1,3-disulphonate

EOSIN B

ACID RED 9