Lab Chemical
TETRAMETHYL AMMONIUM HYDROXIDE SOLUTION 25%
Product code RXSOL-60-6605-696
TETRAMETHYL AMMONIUM HYDROXIDE SOLUTION 25%
Description
Tetramethylammonium hydroxide solution (25 wt. % solution in water) may be used as a base for pH adjustment to obtain hexagonal mesoporous aluminophosphate (TAP). Tetramethylammonium hydroxide is a quaternary ammonium salt generally used as an anisotropic etchant for silicon due to its high silicon etching rate.
Application
Application
TMAH solution is widely used in the electronics industry as a developer or cleaner. TMAH is typically one of several ingredients in etching / stripping mixtures, although it may also be used as a pure chemical. It is often used in solution in water, and less frequently, in methanol.