Butylamine hydrobromide is primarily used in organic synthesis as a reagent or intermediate. It is often employed in the preparation of pharmaceutical compounds, where it acts as a building block for more complex molecules. Additionally, it is utilized in the synthesis of surfactants and corrosion inhibitors, contributing to their effectiveness in industrial applications. Its role in chemical reactions, particularly in the formation of amines and other nitrogen-containing compounds, makes it valuable in research and development processes.