Ammonium Bifluoride (ABF)

CAS No. 1341-49-7 / INCI Name: Ammonium Bifluoride

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Ammonium Bifluoride (NH₄HF₂) is a powerful inorganic compound widely used in industrial cleaning, surface treatment, and chemical manufacturing. Known for its effective etching, descaling, and fluoride-releasing properties, it plays a critical role in metal finishing, glass frosting, oil refining, and semiconductor production.

Key Uses and Applications of Ammonium Bifluoride:

  • Metal Surface Treatment & Pickling
    Ammonium bifluoride is essential in removing oxides and scales from stainless steel, aluminum, and other metals. It enhances surface adhesion for further coating or electroplating.

  • Glass Frosting & Etching
    Used to create decorative and functional frosted effects on glass surfaces, offering a safer alternative to hydrofluoric acid in controlled formulations.

  • Industrial Cleaning Agent
    Highly effective in removing mineral deposits, rust, and scale from heat exchangers, boilers, and pipelines in oil refineries, power plants, and chemical plants.

  • Oil & Gas Applications
    Acts as a component in acidizing fluids for well stimulation in the oil and gas industry, improving the permeability of reservoir rock formations.

  • Etchant in Semiconductor Manufacturing
    Utilized in specific formulations for cleaning and etching silicon wafers in the electronics and microfabrication industries.

Why Choose Ammonium Bifluoride?

  • Powerful Etching and Descaling Agent

  • Versatile Industrial Applications

  • Controlled Fluoride Ion Release

  • Effective Alternative to Hydrofluoric Acid in Many Applications

Important Safety Information:

Ammonium bifluoride is corrosive and toxic if mishandled. It should be used only by trained professionals in well-ventilated industrial environments with proper personal protective equipment (PPE). Always follow regulatory guidelines for storage, handling, and disposal.