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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.)

Additional Information

H.Schweppe, J.Winter, "Madder and Alizarin", Artists Pigments, Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997.

Sources Checked for Data in Record

  • 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",