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
![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
Bromine 99.5% AR (4 x 500ml) Fehling's Solution No. B Amino Acid Kit of 23 items set Ammonium Molybdate Reagent Solution Beam's Reagent Solution Ehrlich's Reagent For detection of urobillinogen Sodium Amino Salicylate Dihydrate (PAS Sodium) IP/BP/USP/EP 1,2,3,4-Tetrahydrocarbazol-4-one 4-Hydroxy Carbazole Amino Salicylic Acid. U.S.P. 2 – Methoxy – 5- Sulfamoyl Benzoic acid Acetone Isobutryl oxime ester Curcuma aromatica Oil Curry leaf Extract Terminalia bellirica Extract Aloe vera extract 200x Withania somnifera (Ashwagandha Extract) Citrus bioflavonoids Extract Ethyl 3-(Pyridin-2-Ylamino)Propanoate Bilastine -IP/BP/ Cypermethric Acid Chloride 5-Nitrosalicylaldehyde 5-(Difluoromethoxy)-2-Mercapto-1H-Benzimidazole- IP/BP/ Methyl Di Chloride (Mdc)Related 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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