Tetramethylammonium Hydroxide (TMAH) | CAS# 75-59-2

SACHEM’s Tetramethylammonium Hydroxide is the purest TMAH available worldwide.  TMAH is a quaternary ammonium compound (Quat) that is used in the manufacturing of integrated circuitsflat panel displays, printed circuit boards, capacitors, sensors, and many other electronic components.

SACHEM’s Tetramethylammonium Hydroxide Benefits: 

We have manufacturing facilities in America and Asia and can ship our products anywhere in the world.

  • Contains no metal
  • Leaves no residual on heating
  • Features exceptionally low contaminant levels
  • Various grades specific to each application
  • Customize specifications to meet unique requirements of the individual customer
  • Exceptionally consistent product qualityTetramethylammonium Hydroxide, TMAH, CAS# 75-59-2
  • Reliability for your high volume production

Applications for Tetramethylammonium Hydroxide (TMAH):

Markets for Tetramethylammonium Hydroxide (TMAH):

  • Polymers
  • Semiconductor
  • Zeolites
  • Printed Wiring Board
  • Energy Storage
  • Oilfield

SACHEM is committed to the safe handling of all of our products.  For more information on how to handle this product safely please visit our TMAH Safety Services page.

Available Products
Tetramethylammonium Hydroxide 6% in PG TMAH 6% PG CAS# 75-59-2/57-55-6 SDS
Tetramethylammonium Hydroxide 7% in PG TMAH 7% PG CAS# 75-59-2/57-55-6 SDS
Tetramethylammonium Hydroxide 20% AQ TMAH 20% AQ CAS# 75-59-2 SDS
Tetramethylammonium hydroxide 24.7% methanol TMAH 24.7 % MeOH CAS# 75-59-2/67-56-1 SDS
Tetramethylammonium Hydroxide 24.9% AQ TMAH 24.9% AQ CAS# 75-59-2 SDS
Tetramethylammonium Hydroxide, 25% AQ TMAH 25% CAS# 75-59-2 SDS
Tetramethylammonium hydroxide 25% in Methanol TMAH 25% MeOH CAS# 75-59-2/67-56-1 SDS
Tetramethylammonium Hydroxide, 98%, Pentahydrate Crystals TMAH 98% Pentahydrate CAS# 10424-65-4 SDS

Synonyms: Ammonium Tetramethyl Hydroxide TMAOH