Methyl undecyl ketone (2-tridecanone) has a warm, fatty-fruity aroma with waxy, orris-like and mildly floral facets. There is a creamy, slightly rue-like nuance underneath, reminiscent of coconut fat and stone fruit skin. It softens into a persistent waxy, slightly musky drydown.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 973.
White waxy mass or colorless crystal leaves.
Insoluble in water, soluble in alcohol and oils.
Warm-oily, herbaceous or delicately spicy, nut-like odor of considerable tenacity.
Bland-oily taste, yet reminiscent of fresh Coconut meat.
This ketone finds a little use in perfume compositions as a modifier in sweet-floral and heavy-floral fragrance types, particularly as a companion to Nonanolide in Gardenia, etc. It gives pleasant effects in Citrus colognes and modern Fougéres, and performs also well with Geranium, Coumarin etc.
The material is used in flavor compositions for imitation Coconut and other nut types, and in certain types of fruit-and-nut flavor for baked goods, where the tenacity of this ketone comes in useful.
1) by oxidation of Tridecanol-2. 2) from Lauric acid plus Acetic acid by heating over Thorium oxide at approximately 450° C.