A soft, slightly sweet ester with a fresh lavender-pine character overlaid with mild fruity-floral tones. Rounder and less sharp than terpinyl acetate, with a gentle woody-herbal drydown reminiscent of bergamot rind and cardamom.AI · claude-opus-4-7
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Perfume and Flavor Chemicals, page 1283.
Colorless oily liquid.
Practically insoluble in water, soluble in alcohol and oils.
Sweet-herbaceous, mildly fruity-piney, refreshing odor of moderate tenacity.
Nondescript fruity taste in concentrations below 20 ppm. Some resemblance to Pear.
The title ester has acquired fame as a modifier for Lavender and Bergamot but it is really no match for Linalyl acetate or Ethyl linalyl acetate except that the Terpinyl propionate is very stable in alkaline media. It is therefore often used in soap, where its low cost is also appreciated. For Pine variations, Citrus colognes, Lavender, Sage and other herbaceous fragrances, Fougéres, etc. it is a common ingredient when price puts a limit to the perfumer’s creative activity.
The ester finds a little use in fruit complex flavor compositions, mainly in Citrus fruits, Lime, Spice (Cardamom) etc. The concentration will be about 1 to 10 ppm in the finished product.
1) from Terpineol and Propionic anhydride with a neutral diluent under reflux. Terpinyl propionate has also been used as the diluent. 2) by azeotropic type esterification of Terpineol with Propionic acid.