1-(1-naphthylazo)-2-naphthol
- русский язык имя
- английское имя1-(1-naphthylazo)-2-naphthol
- CAS №2653-64-7
- CBNumberCB1937354
- ФормулаC20H14N2O
- мольный вес298.34
- EINECS220-176-4
- номер MDLMFCD00398528
- файл Mol2653-64-7.mol
химическое свойство
| Температура плавления | 230 °C |
| Температура кипения | 530.2±33.0 °C(Predicted) |
| плотность | 1.20±0.1 g/cm3(Predicted) |
| пка | 12.03±0.50(Predicted) |
| форма | powder to crystal |
| цвет | Orange to Brown to Dark purple |
| Справочник по базе данных CAS | 2653-64-7 |
| FDA UNII | EVE9WNU99R |
| Система регистрации веществ EPA | 2-Naphthalenol, 1-(1-naphthalenylazo)- (2653-64-7) |
1-(1-naphthylazo)-2-naphthol химические свойства, назначение, производство
Подготовка
Naphthalen-1-amine diazotization and Naphthalen-2-ol coupling.Свойства и приложения
yellow red. From toluene in the crystallization product melting point 224 ℃. Soluble in hot ethanol and benzene in red. In concentrated sulfuric acid to red light blue, dilution to red light purple solution, and then have red brown precipitation. Dye ethanol solution to join concentrated hydrochloric acid is dark red; Join concentrated sodium hydroxide solution for bright red light brown. Mainly used in oil, fat and wax, soap coloring.| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | General | 220 |
150≥ 220
Sublimation |
Insoluble | No change | No change |
1-(1-naphthylazo)-2-naphthol поставщик
| поставщик | телефон | страна | номенклатура продукции | благоприятные условия |
|---|---|---|---|---|
| 18871490254 | CHINA | 28172 | 58 | |
| United States | 38631 | 58 | ||
| +1-+1(833)-552-7181 | United States | 52924 | 58 | |
| 010-82848833 400-666-7788 |
China | 96815 | 76 | |
| 021-67121386 | China | 24529 | 81 | |
| 03-36680489 | Japan | 28387 | 80 | |
| 320-37350700 | Europe | 23671 | 75 | |
| 800-4238616 | Americas | 23653 | 75 | |
| 021-021-52271985 17721149837 |
China | 19800 | 60 | |
| +86-400-002-6226 +86-13028896684; |
China | 57423 | 58 |