5840-22-2

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

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.