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1,4-Diamino-2,3-dihydroanthraquinone CAS 81-63-0
1,4-Diamino-2,3-dihydroanthraquinone CAS 81-63-0 is a deep purple needle crystal (in pyridine) or purple crystal. It is anthraquinone-derived dyes are mixed products produced by burning a mixture of red and purple smoke. It is soluble in benzene, pyridine, nitrobenzene, aniline, and slightly soluble in hot acetic acid and ethanol.
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