synthesized via nucleophilic substitution of a haloethane (such as chloroethane or bromoethane) with ammonia, utilizing a strong base such as potassium hydroxide. This method affords significant amounts of byproducts, including diethylamine and triethylamine.
:CH3CH2Cl + NH3 + KOH -> CH3CH2NH2 + KCl + H2O