Tags: Chemical Compound, Chemical Substance.
124-Trihydroxyanthraquinone commonly called purpurin is an anthraquinone. It is a naturally occurring red/yellow dye. It is formally derived from 910-anthraquinone by replacement of three hydrogen atoms by hydroxyl (OH) groups.Purpurin is also called verantin smoke Brown G hydroxylizaric acid and C.I. 58205. It is a minor component of the classical lake pigment madder lake or Rose Madder.