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 …

Dec 17, 2025 · 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 …

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 …

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 …

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.

The ester linkage is also present in animal fats and in many biologically important molecules. The chemical industry uses esters for a variety of purposes. Ethyl acetate, for instance, is a …

The meaning of ESTER is any of a class of often fragrant organic compounds that can be represented by the formula RCOOR' and that are usually formed by the reaction between an …

Dec 1, 2025 · An ester is an organic compound that is a derivative of a carboxylic acid in which the hydrogen atom of the hydroxyl group has been replaced with an alkyl group.

We'll start with a very, very simple ester like ethyl ethanoate - not something complicated like a fat or oil! The diagram shows the relationship between the ethanoic acid, the ethanol and the ester.