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1,8-Diaminochrysazine is an intermediate in the synthesis of compounds used to disperse dye for synthetic polyester fibers.

4,5-Diamino-1,8-dihydroxyanthraquinone is prepared from 1,8-dihydroxy-4,5-dinitroanthraquinone by reduction or by cleavage of the sulfonic acid groups from the corresponding 2,7-disulfonic acid .