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Butanoic Acid - Reaction with Alcohols.

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)

Structure of methyl butanoate.
methyl butanoate ester

 

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

Structure of ethyl butanoate.
ethyl butanoate ester

 

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

Structure of propyl butanoate.
propyl butanoate ester

 

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

Structure of butyl butanoate.
butyl butanoate ester

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