Solvent Blue 4
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
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Solvent Blue 4 Chemical Properties
- 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℃
- LogP
- 7.114 at 25℃
- EPA Substance Registry System
- 1-Naphthalenemethanol, .alpha.,.alpha.-bis[4-(dimethylamino)phenyl]-4-(phenylamino)- (6786-83-0)
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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
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 |
Solvent Blue 4Supplier
Shanghai JONLN Reagent Co., Ltd.
- Tel
- 400-0066400 13621662912
- 422131432@qq.com
Chengdu HuaXia Chemical Reagent Co. Ltd
- Tel
- 400-1166-196 13458535857
- cdhxsj@163.com
Hunan HuaTeng Pharmaceutical Co., Ltd.,
- Tel
- 400-8592883 15367835770
- viola@huatengsci.com
Hangzhou J&H Chemical Co., Ltd.
- Tel
- 0571-+86-571-87396432
- sales@jhechem.com
Struchem Co., Ltd.
- Tel
- 0512-0512-63009836 15365350169
- helen@struchem.com
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