Natural alizarin is a red colorant extracted along with purpurin from the roots of the madder plant, Rubia tinctorum L.. The chemical name for alizarin is 1,2-dihydroxyanthraquinone. It has been used as a dye and pigment since ancient times. The colorant was first isolated in 1862 by Colin and Robiquet in France. The synthetic form of alizarin was first made in 1868 by Carl Graebe and Carl Lieberman, from anthracene. The natural colorant was no longer used as a textile dye after the commercial introduction of the synthetic alizarin in 1871.
Synonyms and Related Terms
Rubia tinctorum L.; Natural Red 9, 6, 8, 10, 11, 12; CI 75330; madder; alizarine; 1,2-dihydroxyanthraquinone; seiyo-akane (Jap.); alitsariini (Fin.); alizarine (Fr.); alizarina (Esp.); alizarina (It.); alizarina, natural (Port.)
° H.Schweppe, J.Winter, "Madder and Alizarin", Artists Pigments, Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997.° Pigments Through the Ages: Madder Lake
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- Website address 2 Comment: http://www.coloria.net/varita.htm - Finnish name
- Website address 1 Comment: pigments/indiv/technical/alizarin.html RI=1.70 for alizarin, and 1.66 for madder lake
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000