Used as a catalyst in organic synthesis, particularly in Friedel-Crafts reactions for alkylation and acylation. It is also employed in the production of tin compounds and as a precursor for tin-based coatings on glass to enhance durability. In the electronics industry, it serves as a key component in the manufacture of conductive films and solar panels. Additionally, it is utilized in the stabilization of perfumes and fragrances. Its strong Lewis acid properties make it valuable in various chemical processes requiring efficient electron pair acceptance.