Tin(II) trifluoromethanesulfonate is widely used as a catalyst in organic synthesis due to its strong Lewis acid properties. It is particularly effective in promoting various reactions such as Friedel-Crafts alkylations, acylations, and cyclizations. Its ability to activate carbonyl compounds makes it valuable in the synthesis of complex organic molecules, including natural products and pharmaceuticals. Additionally, it is employed in polymerization processes, where it helps initiate the formation of specific polymers with desired properties. The compound’s stability and solubility in organic solvents further enhance its utility in diverse chemical transformations.