Aure Chemical supplies high-purity Boron Trifluoride (BF₃), CAS 7637-07-2. This colorless, pungent gas is a strong Lewis acid, crucial as a catalyst in organic synthesis (esterification, alkylation, polymerization), as a dopant in semiconductor manufacturing, an antioxidant in metallurgy, and a raw material for boron compounds and optical fiber preforms.