Aldehyde C-10

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Aldehyde C-10 hits you with unmistakable waxy-citrus power—think freshly zested orange peel with a soapy, almost metallic brightness. This is the aldehydic sparkle that defines an entire genre of perfumery. Harsh in concentration, it transforms into pure elegance when properly diluted and balanced. First synthesised in 1883, Aldehyde C-10 waited nearly four decades for its moment of glory. In 1921, Ernest Beaux overdosed it alongside three other aldehydes—C-11 Undecylenic, C-12 Lauric, and C-12 MNA—to create Chanel No. 5. This legendary quartet became perfumery's shot heard around the world, establishing the aldehydic floral as a defining genre. Where earlier perfumes like Houbigant's Quelques Fleurs (1912) used aldehydes subtly to brighten florals, Beaux pushed concentration until the aldehyde complex became a recognisable note in its own right. Use Aldehyde C-10 at trace levels—typically 0.02% to 1% maximum in your concentrate. It occurs naturally in orange peel and coriander leaf, lending authentic citrus lift. The 224-hour substantivity surprises for such a volatile-seeming material. Always dilute before evaluating; neat assessment tells you nothing useful about its magnificent behaviour in finished compositions. Show more