Product Description: Tetrapropylammonium hydroxide (40% w/w in water)It is a compound belonging to the class of quaternary ammonium compounds and is a strong base with cationic properties. Tetrapropylammonium hydroxide (40% w/w in water)It is usually used as a phase transfer catalyst to promote the transfer of reactants between immiscible phases in various organic synthesis reactions. It is also used in the production of semiconductors, especially the manufacture of thin-film transistors and other electronic devices.