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Orange needle crystals. Anthragallol is one of the natural colorants extracted from madder and other Rubiaceae family plants. It dissolves in acids to give a brownish-red color.

Synonyms and Related Terms

1,2,3-trihydroxyanthraquinone; CI 58200; antragalol (Esp.); antragallolo (It.)

Melting Point 312-313

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"