Outage Notification: This website will undergo a planned maintenance outage on Saturday, June 5, from 12:30-2:30 p.m. EDT (6:30-8:30 p.m. UDT). We regret any inconvenience this may cause.
Tetramethylammonium Hydroxide
Tetramethylammonium Hydroxide

Tetramethylammonium Hydroxide

Tetramethylammonium hydroxide (CAS 75-59-2), commonly encountered as concentrated colorless solutions in water (e.g. 25 wt. % in water). Browse our semiconductor grade Puranal™ products.

Ballasting ammonium hydroxide with a less volatile organic like TMAH solves the problem of the ammonia evaporating from solution upon heating.

Reset Filters

25%, ULSI Puranal

Tetramethylammonium Hydroxide Solution (17032)

Puranal

Tetramethylammonium Hydroxide Solution 25% (17741)

25% CA, ULSI Puranal

Tetramrthylammonium Hydroxide Solution (17048)

Product Finder

Start your search with category name, product name, part number, etc.