Chemical Properties
Dark beige powder. Melting point 244-245°C. Insoluble in water, soluble in pyridine. The dye forms a nearly colorless solution in concentrated sulfuric acid and a yellow solution in sodium hydroxide. It is insoluble in sodium carbonate solution. Air-sensitive.
Properties and Applications
deep cream-colored powder. Insoluble in water and sodium carbonate solution, soluble in pyridine. For close to a colorless sulfuric acid in the solution; In sodium hydroxide solution for rice in. Melting point for 244 ~ 245 ℃, of air sensitive. This product is mainly used for cotton yarn dyed orange, red, red, red, blue, red, navy used the render of agent, suitable for cotton, viscose, silk, polyamide fiber or vinegar of dyeing, also can be used for printing of cotton. To cotton affinity medium.
