4-(phenylazo)-1-naphthol
4-(phenylazo)-1-naphthol Basic information
- Product Name:
- 4-(phenylazo)-1-naphthol
- Synonyms:
-
- 4-(phenylazo)-1-naphthol
- 1-Naphthalenol, 4-(phenylazo)-
- 4-(Phenylazo)-1-naphthalenol
- C.I.12000
- C.I.Solvent Brown 4
- 1-(Phenylazo)-4-naphthol
- 1-Naphthalenol, 4-(phenylazo)- (9ci)
- 1-Naphthol, 4-(phenylazo)- (8ci)
- CAS:
- 3651-02-3
- MF:
- C16H12N2O
- MW:
- 248.28
- EINECS:
- 222-891-7
- Mol File:
- 3651-02-3.mol
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4-(phenylazo)-1-naphthol Chemical Properties
- Boiling point:
- 391.35°C (rough estimate)
- Density
- 1.1077 (rough estimate)
- refractive index
- 1.5800 (estimate)
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4-(phenylazo)-1-naphthol Usage And Synthesis
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 |