Skip to main content
Chemistry LibreTexts

Quaternary Ammonium Salt

[ "article:topic", "authorname:ggunawardena" ]
  • Page ID
  • A quaternary ammonium salt is an ionic compound that has the following general structural formula.



    n = positive whole number
    R1, R2, R3, and R4 could be hydrogen atoms, alkyl groups, aryl groups, or any combination thereof.  A could be any anion present in salt.





    The word “salt” in quaternary ammonium salt is a misnomer because a quaternary ammonium salt can not be prepared by an acid-base reaction.

    see also quaternary ammonium ion, primary ammonium salt, secondary ammonium salt, tertiary ammonium salt