Các phản ứng thuỷ phân

$CH_3COOC_2H_5+H_2O\buildrel{{HCl,t^o}}\over\rightleftharpoons CH_3COOH + C_2H_5OH \\
HCOOCH_3+H_2O \buildrel{{HCl,t^o}}\over\rightleftharpoons HCOOH+CH_3OH \\
C_2H_5COOCH_3+H_2O \buildrel{{HCl,t^o}}\over\rightleftharpoons C_2H_5COOH + CH_3OH \\
CH_3COOCH_3 + H_2O \buildrel{{HCl,t^o}}\over\rightleftharpoons CH_3COOH+CH_3OH \\
CH_3COOC_2H_5+NaOH\buildrel{{H_2O,t^o}}\over\rightleftharpoons CH_3COONa + C_2H_5OH \\
HCOOCH_3+NaOH \buildrel{{H_2O,t^o}}\over\rightleftharpoons HCOONa+CH_3OH \\
C_2H_5COOCH_3+NaOH \buildrel{{H_2O,t^o}}\over\rightleftharpoons C_2H_5COONa + CH_3OH \\
CH_3COOCH_3 + NaOH \buildrel{{H_2O,t^o}}\over\rightleftharpoons CH_3COONa+CH_3OH \\ $

Các phản ứng este hoá:

$CH_3COOH + C_2H_5OH \buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O \\ HCOOH + CH_3OH \buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons HCOOCH_3 + H_2O \\ C_2H_5COOH + CH_3OH \buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons C_2H_5COOCH_3 + H_2O \\ CH_3COOH + CH_3OH \buildrel{{H_2SO_4,t^o}}\over\rightleftharpoons CH_3COOCH_3 + H_2O $