Properties and Applications
m brown powder, melting point for 167 ~ 168 ℃. Insoluble in water, slightly soluble in sodium carbonate solution, soluble in ethanol. In sodium hydroxide solution for yellow. A little sensitive to the air. This product is mainly used for cotton yarns, cotton, cotton cloth, towel, bath towel, PVA, viscose, silk, polyamide fiber and two vinegar fiber and cotton cloth dyeing of direct printing, the printing and dyeing discharge printing. Can also be used to make quick pigment, fast amine element, element and organic pigment fast sulfonylurea medications. The affinity of cotton low, coupled ability medium.