Flavine

Description

A natural yellow organic colorant that, in addition to Quercitron, is obtained from oak bark. Pure flavine produces a vivid yellow on wool when mordanted with alum and tin. Flavine naturally mixed with quercitron from oak extracts produces a wider range of colors from a greenish yellow to orange to a dark green. Flavine, used both as a dye and lake pigment, is not lightfast.

Synonyms and Related Terms

flavine lake; flavina (Esp.)

Physical and Chemical Properties

• Soluble in water.
• Composition = C10H6N4O2

Resources and Citations

• R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966

• Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)

• John and Margaret Cannon, Dye Plants and Dyeing, Herbert Press, London, 1994

• F. Crace-Calvert, Dyeing and Calico Printing, Palmer & Howe, London, 1876

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998