C.I. Acid Blue 169 химические свойства, назначение, производство
Подготовка
5-Chloro-2-methoxy-4-nitrobenzenamine diazo, and 1-Naphthol-4,8-disulfonic acid?coupling, and then with aqueous acid chromium common heating (125 ~ 135 ℃), make its formed chromium complex. In the complex process medium armor oxygen radicals displacement into hydroxyl, and 4-from sulfonic acid sodium base there will be 20% off.Свойства и приложения
blue.| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6-7 | 4 | 3-4 | 3-4 | 2-3 | 3 | ||