Hydroxyanthraquinone

Description

The base structure of the colorant in many natural red dyes. Many of these colorants have also been made synthetically. Some examples of hydroxyanthraquinones are:

• alizarin - 1,2-dihydroxyanthraquinone.

• purpurin - 1,2,4-trihydroxyanthraquinone.

• pseudopurpurin - 1,2,4-trihydroxyanthraquinone-3-carboxylic acid.

• munjistin - 1,3-dihydroxyanthraquinone-2-carboxylic acid.

• morindone - 1,5,6-trihydroxy-2-methylanthraquinone.

• xanthopurpurin - 1,3-hydroxyanthraquinone.

• anthragallol - 1,2,3-trihydroxyanthraquinone.

• rubiadin - 1,3-hydroxy-2-methylanthraquinone.

Synonyms and Related Terms

hidroxi antraquinona (Esp.); hydroxyanthraquinone (Fr.); hidroxiantraquinona (Port.)

Resources and Citations

• Artists' Pigments: A Handbook of their History and Characteristics, Elisabeth West FitzHugh, Oxford University Press, Oxford, Vol. 3, 1997 Comment: H.Schweppe, J.Winter, "Madder and Alizarin",