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 | |||
| Fading | Stain | 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
Indole Methyl Resin tert-butyl 9-methoxy-3-azaspiro[5.5]undecane-3-carboxylate Boc-His(Boc)-OH 2-CTC Resin 4-Chloro-7-tosy1-7Hpyrrolo[2,3-d]pyrimidine 5,7-Dibromo-1H-indole 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidamide 2,2-Dimethoxy-7-azaspiro[3.5]nonane hydrochloride 4-chloromethyl-5-methyl-1,3-dioxol-2-one (DMDO-Cl) R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDIIMIDAZOLE 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) N-METHYL INDAZOLE-3-CARBOXYLIC ACID 4-((2-hydroxyethyl)thio)benzoic acid 1-(TERT-BUTOXYCARBONYL)-2-PYRROLIDINONE Methyl 6-methylnicotinate 3-Pyridineacrylic acid tert-Butyl carbazate TETRAHYDRO-2H-PYRAN-3-OL 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile 2,4-dihydroxybenzaldehyde 1,3-Diethyl-1,3-Diphenylurea Methyl 2-methylquinoline-6-carboxylateRelated 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](https://img.chemicalbook.in/CAS/GIF/3567-65-5.gif)
![2-Chloro-4-[(2,7-dihydro-3-methyl-2,7-dioxo-3H-dibenz[f,ij]isoquinolin-6-yl)amino]benzenesulfonic acid sodium salt](https://img.chemicalbook.in/CAS/GIF/6871-98-3.gif)



![disodium 4-[(2,7-dihydro-3-methyl-2,7-dioxo-3H-dibenz[f,ij]isoquinolin-6-yl)amino]-benzene-1,3-disulphonate](https://img.chemicalbook.in/CAS/GIF/2611-80-5.gif)


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