4-(phenylazo)-1-naphthol
- CAS NO.：3651-02-3
- Empirical Formula: C16H12N2O
- Molecular Weight: 248.28
- EINECS: 222-891-7
- SAFETY DATA SHEET (SDS)
What is 4-(phenylazo)-1-naphthol?
Preparation
aniline diazotization, and Naphthalen-1-ol coupling.
Properties and Applications
dark red light brown. Soluble in ethanol, acetone and ethyl acetate, slightly soluble in benzene, insoluble in water. Used for oil and paraffin color.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | General | 182 | 90 | Insoluble | Well | Insoluble |
Properties of 4-(phenylazo)-1-naphthol
| Boiling point: | 391.35°C (rough estimate) |
| Density | 1.1077 (rough estimate) |
| refractive index | 1.5800 (estimate) |
Safety information for 4-(phenylazo)-1-naphthol
Computed Descriptors for 4-(phenylazo)-1-naphthol
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