Direct Red 257
- русский язык имя
- английское имяDirect Red 257
- CAS №
- CBNumberCB39703015
- мольный вес0
- файл MolMol file
Direct Red 257 химические свойства, назначение, производство
Подготовка
4-Aminobenzenesulfonic acid (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then into 2-(2-Hydroxyethylamino)ethanol(C.I. 29176) (the components of the dye content is 25%). 4-Amino-5-methoxy-2-methylbenzenesulfonic acid (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then into?2-(2-Hydroxyethylamino)ethanol?(C.I. 29177) (the components of the dye content is 75%).Свойства и приложения
red. Mainly used for paper color