Isopentyl isobutyrate

Chemical properties

colourless liquid with a fruity smell

Chemical properties

3-Methylbutyl-2-methylpropionate has a fruity odor with an undertone reminiscent of apricot and pineapple.

Occurrence

Reported found in banana, feyoa fruit (Feijoa sellowiana), grapes, melon, papaya, corn oil, beer, hop oil, whiskies, white wine, honey, jackfruit, cherimoya and Roman chamomile oil.

The Uses of Isopentyl isobutyrate

Finds limited use in perfumery as a modifier for Amyl phenylacetate and other heavy esters, or as a trace component topnote item. Extensively used in flavor compositions for introduction of light, fruity notes: Apple, Apricot, Banana, Berry, Peach, etc.

Definition

ChEBI: A fatty acid ester obtained by the formal condensation of isoamylol with isobutyric acid.

Preparation

By passing vapors of isobutyl alcohol and isoamyl alcohol over an Ag-activated Cu-MnO catalyst.

Aroma threshold values

Detection: 14 ppb

Taste threshold values

Taste characteristics at 40 ppm: sweet, fruity, green and fatty with a berry nuance.