1-Benzylquinolinium Chloride is a chemical compound that belongs to the quaternary ammonium salts family. It plays a crucial role in facilitating reactions between immiscible phases, particularly in reactions involving an organic and an aqueous phase. Quaternary ammonium salts like benzylquinolinium chloride are often utilized as phase-transfer catalysts, which facilitate the transfer of reactants between immiscible phases in organic reactions. It is commonly used in organic synthesis as a quaternary ammonium salt reagent. This may also exhibit antimicrobial properties, making it potentially useful as a disinfectant or preservative in certain applications. 1-Benzylquinolinium Chloride can have antimicrobial properties and is sometimes used as disinfectant or preservative in pharmaceuticals and personal care products.