Azoic Coupling Component 6

Подготовка

5-Bromo-2-methoxybenzenamine?and 3-Hydroxy-2-naphthoic acid condensation.

Свойства и приложения

yellowish powder, soluble point 243 ~ 244 ℃. Insoluble in water solution and sodium carbonate, soluble in chlorobenzene, sodium hydroxide solution for yellow in the liquid. For air good stability. Mainly used for cotton, cotton yarn line of dyeing, bath towel, can also be used for other fiber as PVA, viscose, silk and polyamide fiber dyeing, general is not used for printing. This product to cotton affinity is higher, coupled ability medium.