butüülester

Butüülester refers to an ester derived from butanol. Butanol itself is a four-carbon alcohol, and depending on the position of the hydroxyl group, it can exist as several isomers, including n-butanol, isobutanol, sec-butanol, and tert-butanol. Therefore, a butüülester can be formed by the reaction of any of these butanol isomers with a carboxylic acid. The general structure of an ester is R-COO-R', where R is an alkyl or aryl group and R' is an alkyl or aryl group. In the case of a butüülester, the R' group would be derived from one of the butanol isomers.

The properties of a butüülester vary significantly depending on the specific carboxylic acid and the butanol isomer used. Many butüülesters are characterized by their pleasant, fruity aromas and are therefore widely used as flavorings and fragrances in the food, beverage, and cosmetic industries. For instance, butyl acetate, formed from acetic acid and n-butanol, has a sweet, fruity odor and is used as a solvent and flavoring agent. Other butüülesters can be employed as plasticizers, solvents in paints and coatings, or as intermediates in the synthesis of other chemical compounds. Their solubility in water is generally low, but they are miscible with many organic solvents.