Molecular formula :
melting point : 118 to 118.5 ° C
traits : reddish-brown crystalline powder with green or black massive shiny crystals.
dissolved : dissolve in water was yellowish orange, soluble in ethanol, acetone - soluble, non-soluble in benzene.
purposes : for dyeing silk, linen, wool, paper pulp, tobacco, leather, and the system for the color of amylin.
produced or Source : aniline by diazotization, with the coupling between phenylenediamine and prepared.
categories : basic dyes
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