Piperidine is a small heterocyclic amine with an intensely sharp, pungent, ammoniacal-fishy odor reminiscent of pepper stems and rotting amines. It is aggressive and unpleasant in isolation, with a stinging animalic quality. Not used as a perfumery material in its own right — more of a chemistry-lab reagent — though trace amine facets echo in some animalic notes.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1148.
Colorless oily liquid. Acquires pale amber color upon storage if exposed to air and daylight.
Miscible with water, soluble in alcohol and oils.
Heavy-sweet, nauseating, floral-animal odor of great diffusive power and poor tenacity.
This material is used in small amounts in perfume compositions. Its effect on exotic floral fragrance bases is quite interesting, and unquestionably attractive.
The material is permitted for use in food flavors and the use in spice blends may bring a final concentration in the functional product up to 0.1 to 5 ppm.
Produced from Pyridine by electrolytic reduction.