Also known as Vat Orange 7, C.I. 71105, C.I. Pigment Orange 43, Bisbenzimidazo[2,1-b:2',1'-i]benzo[lmn][3,8]phenanthroline-8,17-dione
Perinone is a class of organic compounds. The parent compound has two isomers, each of which are useful pigments.
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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", ). Like some structurally related compounds perinone is also an organic semiconductor.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).