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)
![1-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthol Structural](https://img.chemicalbook.in/CAS/GIF/4998-82-7.gif)
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
Related 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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