Used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It serves as a source of butylamine in reactions where controlled release of the amine is beneficial. Commonly employed in the preparation of dyes, surfactants, and corrosion inhibitors. Its hydrobromide salt form enhances stability and handling compared to the free amine, making it suitable for use in moisture-sensitive or solid-phase reactions. Also utilized in laboratory settings for derivatization of acids and other compounds during analytical procedures.