1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol
- CAS NO.:4998-82-7
- Empirical Formula: C16H10N4O6
- Molecular Weight: 354.2738
- EINECS: 2256635
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is 1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol?
Preparation
2-Amino-4,6-dinitrophenol diazotization, and Naphthalen-2-ol coupling.
Properties and Applications
blue light grey. Soluble in hot water for red brown, soluble in ethanol for brilliant purple, insoluble in benzene. In concentrated sulfuric acid to purple, red brown after dilution precipitation; In concentrated nitric acid for red solution, and then into a pale yellow; In concentrated hydrochloric acid in red brown precipitation.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 5 | 4-5 | 4-5 | 4 | 5 | 5 |
Properties of 1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol
| EPA Substance Registry System | 2-Naphthalenol, 1-[(2-hydroxy-3,5-dinitrophenyl)azo]- (4998-82-7) |
Safety information for 1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol
Computed Descriptors for 1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol
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


![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)

![sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate](https://img.chemicalbook.in/CAS/GIF/5979-27-1.gif)

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