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Ester Definition: An ester is an organic compound where the hydrogen in the compound's carboxyl group is replaced with a hydrocarbon group. Examples: Ethyl acetate is an ester. The hydrogen on the carboxyl group of acetic acid is replaced with an ethyl group. Article. Chemistry.
Fatty Acid Esters are used as raw material of emulsifiers or oiling agents for foods, spin finishes and textiles; lubricants for plastics; Paint and ink additives; surfactants and base materials for perfumery. They are used as solvents or cosolvents, oil carrier in agricultural industry.