5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
- CAS NO.：6426-68-2
- Empirical Formula: C32H24N5NaO8S2
- Molecular Weight: 693.68
- Update Date: 2024-12-18 13:37:16
![5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Structural](https://img.chemicalbook.in/CAS/GIF/6426-68-2.gif)
What is 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt?
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, and Naphthalen-2-ol coupling, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.
Properties and Applications
Red light blue and red light navy blue.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 5 | 1 | 2 | 2 | ||
Properties of 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
| EPA Substance Registry System | C.I. Direct Blue 19 (6426-68-2) |
Safety information for 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
Computed Descriptors for 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
New Products
4-Bromo-2-chlorobenzonitrile 1-Chloro-4-Methyl-2-Nitrobenzene 1,3-Diethyl-1,3-Diphenylurea 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile Methyl 2-methylquinoline-6-carboxylate 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile Chlorodehydromethyl testosterone Cisplatin Prednisolone acetate Benzethonium Chloride Trenbolone Enanthate Testosterone acetate 1,3-Di Iodo Benzene 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 Boc-L-Leucinol Calcium Ascorbate Boc-Tyr-OH tert-butyl 2-oxo-1,4,9-triazaspiro[5.5]undecane-9-carboxylate 1-(1-(tert-butoxycarbonyl)piperidin-4-yl)-1H-pyrazole-4-carboxylic acid (1R,5S)-6,6-dimethylbicyclo[3.1.1]heptan-2-oneRelated products of tetrahydrofuran
![5-Amino-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfonaphthalen-2-yl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt](https://img.chemicalbook.in/CAS/GIF/6420-09-3.gif)
![2,9-Triphenodioxazinedisulfonic acid, 6,13- dichloro-3,10-bis[(4-chlorophenyl)amino]-, disodium salt 2,9-triphenodioxazinedisulfonic acid, 6,13-dichloro-3,10-bis[(4-chlorophenyl)am 9-triphenodioxazinedisulfonic acid,6,13-dichloro-3,10-bis[(4-chlorophenyl)amino]- disodium salt 2,9-Triphenodioxazinedisulfonic acid,6,13-dichloro-3,10-bis[(4-chlorophenyl)amino]-,disodium salt](https://img.chemicalbook.in/CAS/20180906/GIF/6598-58-9.gif)
![trisodium [mu-[3-[[4'-[(2,8-dihydroxy-6-sulpho-1-naphthyl)azo]-3,3'-dihydroxy[1,1'-biphenyl]-4-yl]azo]-4,5-dihydroxynaphthalene-2,7-disulphonato(7-)]]dicuprate(3-)](https://img.chemicalbook.in/CAS/20211123/GIF/68140-31-8.gif)
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