See Also: piperonal(medicine)
piperonal(dictionary)

piperonal (iou)



piperonal noun. M19.
[German, formed as PIPERINE + -on -ONE + -AL2.]
Chemistry. A crystalline bicyclic aldehyde, (OCH2O)C6H3CHO, obtained synthetically and from certain flowers and used in perfumery. Also called heliotropin.
piperonyl noun (Chemistry) a radical derived from piperonal;
piperonyl butoxide, a yellow oily liquid, C19H30O5, used in insecticides as a synergist for pyrethrins: L19.