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 …

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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.

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As chain lengths increase, the hydrocarbon parts of the ester molecules start to get in the way. By forcing themselves between water molecules, they break the relatively strong hydrogen bonds …

Esterification is a chemical reaction in which an alcohol reacts with a carboxylic acid, acyl chloride, or acid anhydride to form an ester and a byproduct, typically water or hydrogen chloride.