Used as a catalyst in organic synthesis, particularly in Friedel-Crafts reactions and other Lewis acid-mediated transformations. It facilitates the formation of carbon-carbon bonds in the production of fine chemicals and pharmaceuticals. Also employed in vapor deposition processes for semiconductor manufacturing, where it serves as a gallium source in the growth of gallium-containing materials like gallium arsenide. Its high reactivity makes it suitable for research in inorganic and organometallic chemistry, especially in the development of new gallium-based compounds.