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
Tubulysin G Tubulysin I (R)-tert-butyl (4-methyl-1-oxopentan-3-yl)carbamate Tubulysin B 1-(1,1-Difluoroethyl)-2-fluorobenzene 3-METHYLAZETIDIN-3-OL HYDROCHLORIDE 4,4-DIFLUOROCYCLOHEXANAMINE 1,2,3,6-TETRAHYDROPYRIDINE HYDROCHLORIDE 2-(azetidin-3-ylidene)acetonitrile (hydrochloride) 4-(Benzyloxy)-3-bromophenylacetic Acid (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate Calcium Sodium Phosphosilicate IH Imeglimin Hydrochloride IH 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol Magnesium Trisilicate Lubiprostone Latanoprostene Bunod Flame Retardant Zinc Borate (R)-(3-(3-fluoro-4- thiomorpholinophenyl)-2- oxooxazolidin-4-yl) methyl methanesulfonate methyl 3-fluoro-4- thiomorpholino phenylcarbamate 1H-Imidazole-4-carbonitrile 7-Methoxyquinoline-4-carboxylic acidRelated 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
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