Cyclopentadienylhafnium trichloride is primarily used in the field of organometallic chemistry and catalysis. It serves as a precursor in the synthesis of various hafnium-based compounds, which are often employed in polymerization processes, particularly for olefins. This compound is also utilized in the development of advanced materials, including thin films and coatings, where hafnium's properties are advantageous. Additionally, it plays a role in research focused on creating new catalysts for organic transformations, contributing to the production of fine chemicals and pharmaceuticals. Its application in these areas highlights its importance in both industrial and academic settings.