- a yellow, crystalline anthraquinone dye, C14H8O5, isomeric with purpurin.
Origin of flavopurpurin
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Examples from the Web for flavopurpurin
Anthrapurpurin and flavopurpurin differ little from each other, though the shades dyed with the latter are more yellow.
- a yellow crystalline dye derived from anthraquinone. Formula: C 14 H 5 O 2 (OH) 3
C20: from Latin flāvus yellow + purpurin
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