Colorless to pale yellow liquid
Phenethyl isobutyrate has a fruity odor and a bittersweet taste reminiscent of unripe plum, pineapple and banana.
Phenethyl isobutyrate occurs in peppermint oils. It has a heavy, fruity, blossom odor and is used accordingly
in perfume and flavor compositions.
Reported found in Scotch spearmint oil, peppermint oil, beer, cognac, rum, cider, olive and smaller galanga.
Phenylethyl Isobutyrate is a synthetic flavoring agent that is a stable, colorless to light yellow liquid of fruity odor of floral note. It is soluble in alcohol and practically insoluble in water. It should be stored in glass or tin-lined containers. It is used in flavors for peach with applications in beverages, ice cream, candy, and baked goods at 3–13 ppm.
By esterification of phenethyl alcohol with n-hexanoic acid.
ChEBI: A carboxylic ester obtained by the formal condensation of 2-phenylethanol with isobutyric acid.
Taste characteristics at 2.5 ppm: floral, waxy, green and rosy with winey, grape and berry nuances.
Phenethyl isobutyrate belongs to the fragrance structural group, Aryl Alkyl Alcohol Simple Acid Esters (AAASAE). It is reported as a fragrance ingredient. Toxicologic and dermatologic review on phenethyl isobutyrate has been reported.
Flammability and Explosibility
Not classified
Mildly toxic by ingestion. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.