Pigment Red 178 is an organic compound that is used as a pigment. Structurally, it is a derivative of perylene, although it is produced from perylenetetracarboxylic dianhydride by derivatization with 4-aminoazobenzene.K. Hunger. W. Herbst "Pigments, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. Greene, M. "Perylene Pigments" in High Performance Pigments, 2009, Wiley-VCH, Weinheim. pp. 261-274.
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