TMAH (Tetramethylammonium hydroxide) 25 %

Available Purity Grades and Concentration of TMAH

We supply TMAH (25 %) in VLSI-quality, which is the usual purity grades applied in semiconductor processing and micro-electronics. The specifications of our HF are listed here: TMAH (25 %)

Available Sales Units of TMAH (44 %)

  • Bottles รก 2.5 L (also single bottles)
  • 30 or 200 L drums on request

Typical Fields of Application of TMAH

TMAH is mainly used for anisotropic silicon etching when metal ion free processing is required.

Pricing and Lead Time: Your Request

We try to always keep TMAH (25 %) ready for shipment on stock. Please contact us for a quote:

sales(at)  or  phone:  +49 731 977343 0

Thank you for your interest!

Further Technical Information

Our application note Silicon Etching describes and illustrates the chemical background and crystallographic aspects of anisotropic silicon etching with KOH or TMAH..

A comprehensive number of documents with more application-orientated information of all common stages of micro-structuring are ready for download here.

Please contact us for any further questions around your running or scheduled litho-processes, we try our very best to give you all required support!