sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate
- CAS NO.:5979-27-1
- Empirical Formula: C16H10N3NaO8S
- Molecular Weight: 427.32067
- EINECS: 2277828
- SAFETY DATA SHEET (SDS)
What is sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate ?
Preparation
3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazotization, and Naphthalene-1,5-diol?coupling.
Properties and Applications
black. Soluble in water for bordeaux red, right amount soluble in ethanol for orange red brown. In concentrated sulfuric acid for purple brown, dilution for red wine. Dye aqueous solution to join concentrated hydrochloric acid for red brown; With strong caustic is purple.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 6 | 5 | 3 | 5 | 5 | 5 |
Safety information for sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate
New Products
DL-beta-(3-Bromophenyl)alanine Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid 2-Amino-5-bromo-4-(trifluoromethyl)pyridine(RM for Indian lab) N,N CARBONYL DIIMIDAZOLE Levothyroxine Impurity-F Montelukast EP Impurity-D/Montelukast USP Related Compound C Atorvastatin FXA Impurity/Atorvastatin Cyclic 6-Hydroxy Impurity Sodium Salt Isosulfan blue Keto N-Oxide Impurity Ivermectin Impurity F N-Nitroso des Methyl Tramadol/N-Nitroso-N-Desmethyl-Tramadol (R)-BoroLeu-(+)-Pinanediol-CF3COOH 1,4-bis(methylsulfonyl)butane 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene CSA (DL-10-Camphorsulfonic Acid) 2-Hydroxy-4-methylnicotinic acid 3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (2S)-1-((2S,3S)-3-(2-methylbutyl)-4-oxooxetan-2-yl)pentadecan-2-yl formylleucinate 1-(3,5-dichlorophenyl)-2,2,2-trifluoroethane-1-sulfonyl chloride S-(1-(3,5-dichlorophenyl)-2,2,2-trifluoroethyl) ethanethioateRelated products of tetrahydrofuran


![1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol](https://img.chemicalbook.in/CAS/GIF/4998-82-7.gif)
![2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-7-(phenylamino)-, monosodium salt](https://img.chemicalbook.in/CAS/20200401/GIF/6222-51-1.gif)


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