Perinone is a class of organic compounds. The parent compound has two isomers, each of which are useful pigments.
It is prepared from naphthalenetetracarboxylic dianhydride by condensation with o-phenylenediamine. The two Isomers of perinone are useful pigments. The trans isomer is called Pigment Orange 43 ("PO43", ) and the cis isomer is called Pigment Red 194 ("PR194", ).K. Hunger. W. Herbst "Pigments, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2012. Like some structurally related compounds perinone is also an organic semiconductor.
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