Isobutyl butyrate

Описание

Isobutyl butyrate has a fruity odor reminiscent of apple or pineapple and a sweet flavor reminiscent of rum. May be prepared by esterification of butyric acid with isobutyl alcohol in the presence of concentrated H2S04; or by enzymatic action of hog pancreas on a mixture of isobutyl alcohol and butyric acid in the absence of water.

Химические свойства

Isobutyl butyrate has a fruity, ethereal odor reminiscent of apple or pineapple and a sweet flavor reminiscent of rum.

Определение

ChEBI: A butyrate ester resulting from the formal condensation of butanoic acid with isobutanol. It is used as a food flavour ingredient for apple, banana, peach and pinapple flavours in ice cream and confectionery.

Подготовка

By esterification of butyric acid with isobutyl alcohol in the presence of concentrated H2SO4, or by enzymatic action of hog pancreas on a mixture of isobutyl alcohol and butyric acid in the absence of water.

Общее описание

Isobutyl butyrate is an aliphatic ester that can be used as a food flavoring agent. It is one of the volatile flavor compounds produced in ripening bananas.

Профиль безопасности

Mdly toxic by ingestion and intraduodenal routes. A skin irritant. See also ESTERS. When heated to decomposition it emits acrid smoke and irritating fumes.