1310-58-3 | Potassium Hydroxide

Chemical type

• Strong inorganic base
• Alkali metal hydroxide

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• Alkaline aqueous etchant

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• Inorganic base, electrolyte

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Key properties

• Highly alkaline
• Strong CO₂ absorption capability
• Regenerable via high-temperature calcination

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• Effective for vitreous silica at high temperatures
• Etching contrast ~1:300 for laser-modified fused silica
• Etching rates comparable to Hydrofluoric Acid (HF) for irradiated tracks
• Safer alternative to HF
• Strong dependence on temperature and concentration

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• Strong alkali
• Conducting electrolyte for electrochemical etching

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• Liquid absorbent in Direct Air Capture (DAC) systems
• Reacts with CO₂ to form potassium carbonate
• Regenerated for cyclic CO₂ capture

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• Etchant in FLICE for hollow structures in fused silica
• Dissolving laser-irradiated areas in glass
• Alternative to NaOH and HF in micromachining

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• Electrolyte solution (0.5M) for fabricating cylindrical submicron tungsten tips via liquid membrane electrochemical etching.

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Classification by use

• Chemicals used in gas absorption
• Chemicals used in direct air capture
• Chemicals used in cyclic regeneration systems

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• Chemicals used as selective etchants
• Agents for high-contrast etching in laser processing

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• Chemicals used in electrode fabrication/processing
• Electrolytes for electrochemical machining

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A trustworthy factory and manufacturer

Demei Chemical Technology Co., Ltd. is a modern high-tech enterprise integrating R&D, production, and sales. The company's founder, Dr. Arron, born in April 1975, graduated from the School of Mechanical Engineering at Yanshan University and has been engaged in research in the fields of mechanical engineering and chemical synthesis for many years. The company's products focus on the chemical industry, primarily dealing in chemical raw materials and chemical production machinery and equipment. With its strong technical capabilities, advanced production equipment, and strict quality management system, the company has earned the trust of customers worldwide.

1. [Cite:1] A Comparative Review of terrestrial and marine carbon dioxide removal (CDR) methods, Carbon Capture Science & Technology, Volume 18, March 2026, 100550
2. [Cite:2] Nanochannels in Fused Silica through NaOH Etching Assisted by Femtosecond Laser Irradiation, Materials, 2024, 17(19), 4906
3. [Cite:3] Electrochemical cutting of microslits on metallic glass using cylindrical submicron tips, Electrochemistry Communications, Volume 184, March 2026, 108112