Tetrabutylammonium difluorotriphenylsilicate(IV) (TBAT) is an organosilicon compound used primarily as a catalyst and surfactant. It can serve a catalytic role in specific organic synthesis reactions and is also utilized as a detergent, lubricant, and stabilizer. Additionally, TBAT finds extensive application in various industrial sectors such as in the production of plastics, rubber, and textiles.