Solvent Brown 5
- CAS NO.：2653-72-7
- Empirical Formula: C20H14N2O
- Molecular Weight: 298.34
- MDL number: MFCD01320646
- EINECS: 220-178-5
- SAFETY DATA SHEET (SDS)
What is Solvent Brown 5?
Preparation
Naphthalen-1-amine diazotization, and Naphthalen-1-ol?coupling.
Properties and Applications
dark brown (NC raw lacquer). Soluble in ethanol for yellow brown. In concentrated sulfuric acid for deep green light black, dilution after blue black, then there is dark brown precipitation. Dye alcohol solution to join concentrated hydrochloric acid don’t change; Add 5% sodium hydroxide solution for blue light red. Used for oil, paraffin wax, cellulose and synthetic resin paint color.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 170 |
100≥100
Sublimation |
Insoluble | Good | Good |
Properties of Solvent Brown 5
| Boiling point: | 551.0±33.0 °C(Predicted) |
| Density | 1.20±0.1 g/cm3(Predicted) |
| pka | 8.32±0.40(Predicted) |
| EPA Substance Registry System | 1-Naphthalenol, 4-(1-naphthalenylazo)- (2653-72-7) |
Safety information for Solvent Brown 5
Computed Descriptors for Solvent Brown 5
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