N-(2-Hydroxynaphthoyl)-2,4-dimethoxy-5-chloroanilide is mainly used as a base dye for cotton, dyeing it red. When combined with red-based ITR and red-based KL, it can produce a vibrant pink color, exhibiting high affinity for cotton. It is also used for dyeing viscose fibers, silk, and nylon, as well as for printing on cotton fabrics and for manufacturing lake pigments; it can also be used in the manufacture of organic pigments.
Properties and Applications
gray or green powder, melting point for 193 ~ 194 ℃. Insoluble in water solution and sodium carbonate, soluble in pyridine, ethanol and benzene, easily soluble in acetone. In the yellow liquid for sulfuric acid, and display the green fluorescent; Sodium hydroxide solution for yellow in the liquid. Stability of air. Mainly used for cotton fabrics, PVA, viscose, silk and vinegar fiber dyeing and printing of cotton fabric. Can be used for the manufacture of pigment fast. This product to cotton affinity medium, coupled ability medium. This product bright color, good fastness.
