Direct Brown 148
- русский язык имя
- английское имяDirect Brown 148
- CAS №
- CBNumberCB59702946
- мольный вес0
- файл MolMol file
Direct Brown 148 химические свойства, назначение, производство
Подготовка
N,N’-bis(3-aminophenyl)urea?double nitriding, first and 2,4-Diaminobenzenesulfonic acid coupling, again with Resorcinol coupling.Свойства и приложения
brown. Slightly soluble in water for yellow brown, slightly soluble in alcohol. The strong sulfuric acid in red orange for brown, diluted yellow brown to orange for brown. The dye solution was added concentrated hydrochloric acid with red brown precipitate; Add thick sodium hydroxide solution for yellow brown to orange brown; Sodium hydroxide solution to dilute the same color.| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 3 | 4 | 2 | 3 | 3 | ||