2-(2-Propynyloxy)ethylamine is primarily used in organic synthesis as a versatile building block for creating more complex chemical structures. Its amine and alkyne functional groups make it valuable in click chemistry reactions, particularly in the formation of triazole derivatives through copper-catalyzed azide-alkyne cycloaddition (CuAAC). This compound is also employed in the development of pharmaceuticals, agrochemicals, and advanced materials. Additionally, it serves as a precursor in the synthesis of polymers and coatings, where its reactivity can be tailored to achieve specific properties. In research, it is utilized for modifying surfaces or molecules to introduce specific functionalities, enabling applications in bioconjugation and material science.