Description
Tetramethylammonium Hydroxide, Pentahydrate, also known as TMAH, is a quaternary ammonium salt that is used for the anisotropic etching of silicon and as a quaternary amine catalyst in organic synthesis. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or res1-EArch purposes and typically are not suitable for human consumption or therapeutic use.