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Esterification Of Butyl Ethanoate Lab Report

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The Esterification of Butyl Ethanoate
Aim: The aim of this experiment is to investigate the production of the ester, butyl ethanoate.
Introduction:
Esters have distinctive odours and flavours, therefore are heavily used in artificial flavourings and fragrances. These odours can range from pineapple, pear, strawberry, banana, cinnamon, lemon, apricot, cherry, raspberry, butter cream, peppermint, orange, honey and much more (Newworldencyclopedia.org).Like all organic compounds esters can be categorized due to the unique functional group. This functional group is written as R-COO-R’ and is pictured on the right: (LAB BOOK)
The production of an ester is known as the process of esterification. The two reactants present in the esterification process are the functional groups; carboxylic acid and alcohol. This reaction can be catalysed by the presence of H+ ions, often sulphuric acid is used. This type of esterification, where carboxylic acid and alcohol with an acid catalyst are used is known as the Fischer esterification. This is the type of esterification process which will be undertaken within this experiment, where 4mL of concentrated sulphuric acid will be used to speed up the reaction. It is also important to note that the esterification reaction can also include reactions of; an acyl halide …show more content…

Butyl ethanoate has a fruity smell and can be described as a pear smell. Its molecular formula is CH3COOCH2CH2CH2CH3 and, like in this experiment can be produced from butanol and acetic acid. Butyl ethanoate is a colourless, flammable liquid which often is used in organic chemistry as a solvent. In industry, butyl ethanoate is used to manufacture lacquers, artificial leather, photographic films, plastics and safety glasses. Due it it’s fruity, pear odour it is used in flavouring and fragrance, however at extremely high concentrations butyl ethanoate is toxic

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