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The Reaction of Butanoic Acid with Alcohols to make Esters.

Butanoic acid will react with alcohols in the presence of
concentrated sulfuric acid, to form esters.
Concentrated sulfuric acid
is a catalyst for this reaction.

methanol   +  butanoic acid  arrow  methyl butanoate  +  water.
CH3OH(aq)  +  C3H7CO2H(aq) arrow   C3H7CO2CH3(aq)  +  H2O(l)

The structure of methyl butanoate.
methyl butanoate ester


ethanol  +  butanoic acid     arrow  ethyl butanoate   +   water.
C2H5OH(aq) + C3H7CO2H(aq) arrow  C3H7CO2C2H5(aq) + H2O(l)

The structure of ethyl butanoate.
ethyl butanoate ester


propanol    +   butanoic acid   arrow  propyl butanoate  +  water.
C3H7OH(aq)C3H7CO2H(aq)  arrow  C3H7CO2C3H7(aq) + H2O(l)

The structure of propyl butanoate.
propyl butanoate ester


butanol    +   butanoic acid   arrow    butyl butanoate  +  water.
C4H9OH(aq) +  C3H7CO2H(aq)  arrow  C3H7CO2C4H9(aq) + H2O(l)

The structure of butyl butanoate.
butyl butanoate ester

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