Solvent Blue 4
- CAS NO.：6786-83-0
- Empirical Formula: C33H33N3O
- Molecular Weight: 487.63
- MDL number: MFCD01940962
- EINECS: 229-851-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-09 09:30:26
What is Solvent Blue 4?
The Uses of Solvent Blue 4
α,α-Bis[4-(dimethylamino)phenyl]-4-(phenylamino)-1-naphthalenemethanol is a solvent dye also known as solvent blue 4 with potential uses in inks and as a food additive.
Preparation
(a) 4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and Naphthalen-1-amine condensation; (b) Bis (4 – (dimethylamino) phenyl) methanol and Naphthalen-1-amine condensation, the product into N – nitroso derivatives and oxidation, remove nitroso.
Flammability and Explosibility
Non flammable
Properties and Applications
brilliant blue. Soluble in water is blue, soluble in ethanol for blue. In concentrated sulfuric acid to red light brown, dilution after yellow to green and then to blue. Dye aqueous solution to join sodium hydroxide have dark red light brown precipitation
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | >180 | 110 | Insoluble | No change | Dissole |
Properties of Solvent Blue 4
| Boiling point: | 682.7±55.0 °C(Predicted) |
| Density | 1.199 |
| vapor pressure | 0.2Pa at 25℃ |
| storage temp. | -20°C Freezer, Under inert atmosphere |
| solubility | Chloroform (Sparingly), DMSO (Slightly), Methanol (Slightly, Heated) |
| form | Solid |
| pka | 13.56±0.29(Predicted) |
| color | Dark Red to Very Dark Purple |
| Water Solubility | 6μg/L at 25℃ |
| EPA Substance Registry System | 1-Naphthalenemethanol, .alpha.,.alpha.-bis[4-(dimethylamino)phenyl]-4-(phenylamino)- (6786-83-0) |
Safety information for Solvent Blue 4
Computed Descriptors for Solvent Blue 4
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