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.

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.

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.

In an ester, the second oxygen atom bonds to another carbon atom (Figure 25.5a.). The names for esters include prefixes that denote the lengths of the carbon chains in the molecules and …