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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.

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ADVANCED MATERIALS

Tetramethylammonium Hydroxide