2-Hydroxy-N-(4-methoxy-2-methylphenyl)-11H-benzo[a]carbazole-3-carboxamide

Chemical Properties

Light olive colored powder. Melting point 306-308℃. Insoluble in water, soluble in nitrobenzene, pyridine, slightly soluble in butanol. Dye in sulfuric acid and sodium hydroxide are yellowish brown solution; in sodium carbonate solution is insoluble.

Preparation

5-Methoxy-2-methylbenzenamine and?2-Hydroxy-11H-benzo[a]carbazole-3-carboxylic acid?condensation.

Properties and Applications

shallow olive powder. Insoluble in water, but soluble in nitrobenzene and pyridine, slightly soluble in butanol. In the yellow brown for sulfuric acid solution; Sodium carbonate in solution not dissolve. Melting point for 306 ~ 308 ℃. This product is mainly used for cotton, PVA?and glue dyeing, is dyed black and purple main render agent, rarely used for printing of cotton, can be used for the manufacture of neutral grain. This product to cotton of high affinity, coupled with less ability.