BASF Invests in Facility for Electronic Grade Ammonium Hydroxide

Semiconductor Chemistry BASF Invests in a Facility for "Electronic Grade" Ammonium Hydroxide

2025-11-03 From Susanne Braun | Translated by AI 1 min Reading Time

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To strengthen the production of materials for semiconductor manufacturing in Europe, BASF is investing in an ammonium hydroxide facility in Ludwigshafen. The high-purity chemical has so far mostly come from Asia and is crucial for wafer cleaning and etching processes.

BASF's new facility for electronic-grade ammonium hydroxide aims to make European semiconductor manufacturing more resilient.(Image: BASF SE) — BASF's new facility for electronic-grade ammonium hydroxide aims to make European semiconductor manufacturing more resilient.
(Image: BASF SE)

At the end of October 2025, BASF announced the construction of a new facility for Electronic Grade Ammonium Hydroxide (NH₄OH EG) at its Ludwigshafen site. The high-purity material is used in wafer cleaning, etching, and precision processes in semiconductor manufacturing. Production is scheduled to start in 2027 to meet the growing demand in Europe, driven by the establishment of new chip factories. At the same time, BASF aims to build a local supply chain that the European semiconductor industry can rely on for its reliability.

Ammonium hydroxide is one of the most important basic chemicals in semiconductor production: it removes organic residues, metal ions, and particles from silicon wafers and is used in etching solutions for nanometer-scale structures. Until now, most supplies have come from Japan, South Korea, and Taiwan, which has made European chip projects heavily reliant on imports.

"Ammonium Hydroxide Electronic Grade is essential for the production of the next generation of chips," said Jens Liebermann, Senior Vice President of Electronic Materials at BASF. "The investment enhances our capabilities and supports the growth of the semiconductor industry in Europe." The new facility is part of BASF's global strategy to invest in semiconductor precursors and specialty chemicals. The company is among the world's leading suppliers of high-purity chemicals for cleaning, etching, photolithography, metal deposition, and chemical-mechanical planarization. (sb)

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Date: 08.12.2025

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