Direct blue 9 (C.I. 24155)
- русский язык имя
- английское имяDirect blue 9 (C.I. 24155)
- CAS №6428-98-4
- CBNumberCB61485688
- ФормулаC34H27N4NaO13S3
- мольный вес818.77
- файл Mol6428-98-4.mol
Direct blue 9 (C.I. 24155) химические свойства, назначение, производство
Подготовка
3,3′-Dimethoxylbenzidine double nitriding, first and 3-Hydroxynaphthalene-2,7-disulfonic acid coupled , and then 4-Hydroxynaphthalene-1-sulfonic acid coupling.Свойства и приложения
blue. Soluble in water, soluble in alcohol. The strong sulfuric acid for blue, blue after diluted precipitation. The dye water solution is blue, to join the hydrochloric acid have precipitation of dark; Add sodium hydroxide solution for purplish red color.| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 4 | 2 | 1-2 | 2 | ||