Difference between revisions of "Morindone"
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H.Schweppe, J.Winter, "Madder and Alizarin", ''Artists Pigments'', Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997. | 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" | * ''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" | ||
Revision as of 13:01, 1 May 2016
Description
Orange-red needle crystals. Morindone is one of the natural colorants extracted from madder, Lorinda and Coprosma plants in the Rubiaceae family. It dissolves in alkalis and acids to give a blue-violet color but it precipitates with alum lake as an orange red.
Synonyms and Related Terms
1,5,6-trihydroxy-2-methylanthraquinone; CI 75430; morindin
Other Properties
Soluble in methanol, ethanol, ether, benzene, glacial acetic acid. Insoluble in water.
| Melting Point | 264-275 |
|---|
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"