C.I. Mordant Black 50 химические свойства, назначение, производство
Подготовка
3-Amino-2-hydroxybenzoic acid and 5-Amino-2-hydroxybenzoic acid?diazotization, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazotization, and 3-Hydroxynaphthalene-2,7-disulfonic acid coupling.Свойства и приложения
black. Soluble in water is purple, slightly soluble in alcohol for pale yellow. In concentrated sulfuric acid to blue light green, dilution for bordeaux red. Dye aqueous solution to join concentrated hydrochloric acid for bordeaux red; Join strong caustic for deep navy blue.| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 6 | 4-5 | 4 | 4 | 4-5 | 4-5 |