Ester
Ester is a chemical compound derived from an acid (organic or inorganic) in which at least one -OH (hydroxyl) group is replaced by an -O-alkyl (alkoxy) group. In other words, esters are the most common form of carboxylic acid derivatives. They are characterized by the presence of a carbonyl group adjacent to an ether group.
Chemical Structure[edit | edit source]
Esters are characterized by the presence of a carbonyl adjacent to ether. The general formula of an ester is R-COO-R', where R and R' are any organic groups. The larger R and R' groups are, the more complex the ester.
Formation[edit | edit source]
Esters are formed by condensation reaction between a carboxylic acid and an alcohol. This reaction is known as esterification. The reaction is catalyzed by acid, usually concentrated sulphuric acid. The reaction produces an ester and water.
Uses[edit | edit source]
Esters have a wide range of uses from the manufacturing of synthetic flavors and fragrances to biofuel production. They are also used in the production of polymers and plasticizers.
See Also[edit | edit source]
References[edit | edit source]
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