Piperonal
[pi-per-uh-nal, pahy-, pip-er-uh-] /pɪˈpɛr əˌnæl, paɪ-, ˈpɪp ər ə-/
noun, Chemistry.
1.
a white, crystalline, water-insoluble aldehyde, C 8 H 6 O 3 , which darkens on exposure to light: used chiefly in perfumery and organic synthesis.
/ˈpɪpərəʊˌnæl/
noun
1.
a white fragrant aldehyde used in flavourings, perfumery, and suntan lotions. Formula: C8H6O3 Also called heliotropin
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