2,6-Dihydroxyanthraquinone: An isomer of the well known alizarin dye

Jérôme De Ruyck, Julien Preat, Eric A. Perpète, Denis Jacquemin, Johan Wouters

Research output: Contribution to journalArticlepeer-review


The structure of anthraflavic acid (2,6-dihydroxyanthraquinone), C 14H8O4, an isomer of the alizarin dye, adopts a planar conformation, with crystallographic mm symmetry. Its crystal packing, which can be described as superimposed sheets of molecules (like a graphite structure), is very different from that of alizarin, which contains a herringbone stacking of molecules.

Original languageEnglish
JournalActa Crystallographica Section E
Issue number10
Publication statusPublished - 1 Oct 2006


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