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 (pī-pĕr′ə-năl′, pĭ-)
A white powder, C8H6O3, having a floral odor, used as flavoring and in perfume.


(Elements & Compounds) a white fragrant aldehyde used in flavourings, perfumery, and suntan lotions. Formula: C8H6O3. Also called: heliotropin


(pɪˈpɛr əˌnæl, paɪ-, ˈpɪp ər ə-)

a white, crystalline, water-insoluble aldehyde, C8H6O3, that darkens on exposure to light: used in perfumery and organic synthesis.
[1865–70; piper (ine) + -one + -al1]
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References in periodicals archive ?
The Taiwan Ministry of Economic Affairs Industrial Development Bureau imposes strict reporting requirements in tracking the production, distribution, sale, storage, and export/import of precursor chemicals such as acetic anhydride, piperonal, safrole, piperidine, hydrogen chloride, and potassium permanganate.
Giesbrecht, NMR Spectroscopy, Hammett Correlations and Biological Activity of Some Schiff Bases Derived from Piperonal, J.
In this work the hypothesis was tested by conducting the reaction on piperonal (3,4-methylenedioxybenzaldehyde).
Piperonal kills lice and also gives you the enjoyable vanilla taste.
The long-chain unsaturated acyl component can be classified into two main structural types: (a) dienamines, derived from straight chain fatty acids and (b) a piperonal unit with chain extension by fatty acid (Rahman 2012).
Piperonal, a smell that dogs associate with MDMA, is used in artificial flavors, perfume, and mosquito repellant.
9 kilos of marijuana; 19 methylenedioxy methamphetamine tablets; 19 Alprazolam tablets; and six kilos of Piperonal," among others.