Tetrapropylammonium hydroxide (40% w-w in water)

Tetrapropylammonium hydroxide (40% w/w in water) is a quaternary ammonium compound recognized as a strong base with cationic properties. It is frequently employed as a phase transfer catalyst to enhance the transfer of reactants between immiscible phases in organic synthesis. Additionally, it is utilized in semiconductor manufacturing, particularly in the production of thin-film transistors and other electronic devices.