What Does TMAH Stand For?

TMAH stands for Tetramethylammonium Hydroxide

Tetramethylammonium Hydroxide (TMAH) is a quaternary ammonium compound commonly used as a strong alkaline etchant and developer in the semiconductor and microelectronics industries. It serves as a powerful chemical reagent in various applications, including organic synthesis and as a catalyst. TMAH is highly soluble in water and can form stable solutions, making it an effective agent for photoresist development and surface cleaning. Due to its corrosive nature, proper handling and safety precautions are essential when working with this compound.