TETRAMETHYLAMMONIUM HYDROXIDE (TMAH)
SACHEM Tetramethylammonium Hydroxide (TMAH): The purest TMAH available worldwide.

Tetramethylammonium Hydroxide (TMAH) is used in the manufacture of integrated circuits, liquid crystal displays, printed circuit boards, capacitors, sensors, and many other electronic components. SACHEM TMAH is non-metal containing, leaves no residual on heating and features exceptionally low contaminant levels. The purest Tetramethylammonium Hydroxide in the world today, SACHEM TMAH meets the needs of your demanding processes
with:
  • various grades specific to each application
  • customizable specifications to meet unique requirements of the individual customer
  • exceptionally consistent product quality
  • reliability for your high volume production

SACHEM offers our customers and partners the opportunity to use and reuse Critical Raw Materials ensuring sustainability and process economics for their demanding manufacturing applications.  By combining our chemical science expertise and technology SACHEM has created the Mobius System™, which includes an innovative TMAH recycle technology.

SACHEM is committed to providing support for your safe use of TMAH.  Find out more about SACHEM's TMAH Safety Services.

Available Products

Tetramethylammonium Hydroxide

25%, Aqueous, Ultra Pure (TMAH 25% UP) CAS# 75-59-2
M/SDS  |  SDS  |  Datasheet [59 KB]  

Tetramethylammonium Hydroxide

7%, Propylene Glycol Solution (TMAH 7% PG) CAS# 75-59-2 / 57-55-6
M/SDS  |  Datasheet [42 KB]  

Tetramethylammonium Hydroxide

20%, Aqueous, Ultra Pure (TMAH 20% Aq UP) CAS# 75-59-2
M/SDS  |  Datasheet [42 KB]  

Tetramethylammonium Hydroxide

25%, MeOH (TMAH 25M) CAS# 75-59-2/67-56-1
M/SDS  |  Datasheet [37 KB]  

Tetramethylammonium Hydroxide

25%, Aqueous (TMAH 25% Technical) CAS# 75-59-2
M/SDS  |  Datasheet [36 KB]