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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 ?
In this work the hypothesis was tested by conducting the reaction on piperonal (3,4-methylenedioxybenzaldehyde).
The Ministry of Economic Affairs, Industrial Development Bureau plays a regulatory role in tracking chemicals such as acetic anhydride, piperonal, safrole, piperidine, hydrogen chloride, and potassium permanganate.
Piperonal kills lice and also gives you the enjoyable vanilla taste.
Piperonal, a smell that dogs associate with MDMA, is used in artificial flavors, perfume, and mosquito repellant.
Other common precursors include saffrol, isosaffrol, piperonal, and safrole (often from sassafras oil) (37).
9] Jithan Aukunuru,Keerthana Eedula,Venakanna Pasham,Venumadav Katla and Srinivas Reddy k/'Synthesis of Novel Piperonal Derivatives and Evaluation of their Anticonvulasant using A Nanoparticular Formulation ,International Journal of Pharmaceutical Sciences and Nanotechnology,Volume 2, issue 1,April-june 2009(P435-P442.
In the past, there has been anecdotal evidence that citronella, rosemary, eucalyptus, piperonal and lavender have been indicated as useful for the prevention of head lice infestations," explains Risa Barash, executive director at Fairy Tales Hair Care.
Description: PPG-2 methylether (and) piperonal (and) phenylpropanol
Concentrations of nine alkenylbenzenes, coumarin, piperonal and pulegone in Indian bidi cigarette tobacco.
A spray containing piperonal (Rappell) is designed to repel head lice, as can aromatherapy oils of Bergamot, Eucalyptus, Geranium, Oregano or Tea Tree.