flavogallol

English

flavogallol (uncountable)

(organic chemistry) A bright yellow crystalline compound, C₂₁H₈O₁₂, that forms hair-like needles and can be used as a yellow dye.
- 1918, Arthur George Perkin, Arthur Ernest Everest, The Natural Organic Colouring Matters, page 409:
  In the paste form flavogallol readily dyes mordanted fabrics […]
- 1956, Quarterly Journal of the Chemical Society of London, page 4225:
  Structure (I), considered but rejected by earlier workers, is now proposed for flavogallol.