Used as a chiral resolving agent in the synthesis of optically active compounds, particularly in pharmaceuticals where enantiomeric purity is critical. It is also employed as a catalyst in organic reactions, enhancing the efficiency and selectivity of processes like asymmetric synthesis. In addition, it serves as an additive in electrolytes for lithium-ion batteries to improve conductivity and stability. Its strong acidic properties make it useful in various chemical transformations and as a stabilizer in polymer production.