Прямой Фиолетовый 27
- английское имяDirect Violet 27
- CAS №6426-64-8
- CBNumberCB8967655
- ФормулаC32H24N5NaO11S3
- мольный вес773.74
- файл Mol6426-64-8.mol
Прямой Фиолетовый 27 химические свойства, назначение, производство
Подготовка
4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.Свойства и приложения
purple. Soluble in water for red light purple, and adequate soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted for purplish red color. The dye solution to join strong hydrochloric acid for purplish red color, have precipitation; Add thick sodium hydroxide solution for red wine.| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 4-5 | 2-3 | 1-2 | 1-2 | ||