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| | Solvent Blue 4 Basic information |
| Product Name: | Solvent Blue 4 | | Synonyms: | Baso Blue 645;Blue 645;C.I.Solvent Blue 4;α,α-Bis[4-(dimethylamino)phenyl]-4-(phenylamino)-1-naphthalenemethanol;[4-(anilino)-1-naphthyl]-bis[4-(dimethylamino)phenyl]methanol;[4-(anilino)naphthalen-1-yl]-bis[4-(dimethylamino)phenyl]methanol;bis[4-(dimethylamino)phenyl]-[4-(phenylamino)naphthalen-1-yl]methanol;C.I. 44045:1 | | CAS: | 6786-83-0 | | MF: | C33H33N3O | | MW: | 487.63 | | EINECS: | 229-851-8 | | Product Categories: | Solvent Dyestuff;Organics | | Mol File: | 6786-83-0.mol |  |
| | Solvent Blue 4 Chemical Properties |
| | Solvent Blue 4 Usage And Synthesis |
| Uses | 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 | Nonflammable | | 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
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Poor
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>180
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110
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Insoluble
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No change
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Dissole
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| | Solvent Blue 4 Preparation Products And Raw materials |
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