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Phenethyl senecioate has a mild, deep-sweet odor, somewhat herbaceous and winey. It has a sweet, winy, deep, fruity flavor.

Phenethyl senecioate finds use in flavor compositions as a modifier in various wine and Liqueur flavors, usually at concentrations equal to 5 ppm in the finished product. It acts partly as a fixative for the more volatile wine esters, partly as undertone of dried fruits, as a sweetener.

By esterification of phenethyl alcohol with 3-methylcrotonic acid.