In chemistry, an ester is a compound derived from an acid (either organic or inorganic) in which the hydrogen atom (H) of at least one acidic hydroxyl group (−OH) of that acid is replaced by an organyl …

Jan 29, 2026 · Ester, any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids. Esters derived from carboxylic acids are the most …

Aug 23, 2025 · Esters are also the building blocks for an important class of polymers known as polyesters. These materials, characterized by repeating ester linkages in their molecular chains, are …

Sep 30, 2025 · An ester is an organic compound formed when a carboxylic acid reacts with an alcohol, a process known as esterification. This reaction involves the removal of a water molecule.

Jun 9, 2025 · An ester is an organic compound where the hydrogen in the compound's carboxyl group is replaced with a hydrocarbon group. Esters are derived from carboxylic acids and (usually) alcohol.

Jul 23, 2025 · The general structure of an ester is RCOOR', where R and R' represent alkyl or aryl groups. Esters are derived from the condensation reaction between a carboxylic acid and an …

Key Takeaway An ester has an OR group attached to the carbon atom of a carbonyl group.

In this tutorial you will learn about the basic properties and structure of an ester functional group. You will also learn about esterification and its mechanism.

An ester is hydrolyzed, either by aqueous base or aqueous acid, to yield a carboxylic acid plus an alcohol. Ester hydrolysis in basic solution is called saponification, after the Latin word sapo, meaning …

Ester: A molecule or functional group derived by condensation of an alcohol and an acid with simultaneous loss of water. The most common type of ester is carboxylic ester (also called a …