Properties and Applications
light gray powder, melting point for 258 ~ 259 ℃. Insoluble in water, slightly soluble in sodium carbonate solution, soluble in butanol and pyridine. In the light of sulfuric acid is palm yellow solution; In chlorine oxidation sodium solution for yellow liquid, and a green fluorescent. Stability of air. Mainly used for cotton yarns, cotton fabric, corduroy, PVA?and glue dyeing, rarely used for printing. Can also be used to make sent fast pigment. This product high affinity, particularly sensitive to sunlight.
