Intensely smoky, tar-like and phenolic — reminiscent of creosoted railway sleepers, burnt wood and coal-tar. Dry, acrid and medicinal with a leathery, almost birch-tar facet that lingers heavily.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 296.
Colorless or pale yellowish oily liquid.
0.5°, soluble in water, miscible with alcohol and oils. Soluble in Glycerin and Propylene glycol.
Powerful and penetrating odor, resembling that of smoke (from wood).
Burning taste and mouthfeel.
Occasionally used in perfumery, e.g. to introduce certain desirable notes in Oakmoss bases, wood odors, Leather fragrance, etc.
Used in flavor compositions for its 'smoky' effect, simulating the flavor of smokehouse-treated meats, etc., for certain seafood flavors, etc.
Wood tar from Beechwood is redistilled. The heavier-than-water layer is treated with Sodium carbonate and distilled again. From this distillation the heavier-than-water layer is subsequently treated with Potassium hydroxide, and then with Sulfuric acid. Finally it is redistilled at atmospheric pressure. The distillate coming over at 200 to 220°C. is collected and classified as 'Creosote'.