Off-white powder, melting point 217°C. Soluble in pyridine, insoluble in water and sodium carbonate solution, yellow in sulfuric acid and also in sodium hydroxide solution.
Properties and Applications
gray powder, melting point for 217 ℃. Insoluble in water solution and sodium carbonate, soluble in pyridine. In a sulphuric acid and sodium hydroxide solution are yellow liquid. Stability of air. Mainly used for cotton yarns, cotton fabric, corduroy, PVAand glue dyeing, general is not used for printing, particularly sensitive to sunlight. This chip for brown render agent, the high affinity for cotton, coupled ability is weak, the dyeing all kinds of brown and brown.
