Almost certainly Aldehyde C-12 MNA (2-methylundecanal): a powerful fatty-aldehydic material with a waxy, slightly citrus-soapy character and a clean floral undertone. On a blotter it opens sharp and metallic-fatty, then softens into a familiar 'washed linen' aldehydic bloom reminiscent of classic aldehydic florals.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 919.
Colorless oily liquid
Practically insoluble in water, soluble in alcohol and oils
Waxy-fatty, 'ozone'-like, in dilution very refreshing and citrusy odor of considerable tenacity
Used in flavor compositions, such as Coconut, Cheese, Peach, Walnut, Lemon, Orange, Blackcurrant
by Claisen condensation of Heptaldehyde and Methylacetate, using Sodium methylate condensing agent; from Methy! nonyl ketone plus Ethyl monochloro propionate in presence of Sodium ethylate; by hydrogenation of beta-n-Nonylcrotonaldehyde