Used as a highly effective chiral anion in asymmetric synthesis, enabling enantioselective transformations in pharmaceutical and fine chemical manufacturing. Its unique structure stabilizes cationic intermediates in organocatalysis, particularly in phase-transfer catalysis, where it enhances enantioselectivity in amino acid derivatives and alkaloid syntheses. Commonly employed in the production of chiral amines and amino acid esters due to its ability to form well-defined ion pairs with cationic species, improving reaction selectivity and yield. Also utilized in specialty polymerization processes as a co-catalyst to control stereochemistry in polymer chains.