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  1. Hydrogen fluoride - Wikipedia

    HF is the precursor to elemental fluorine, F 2, by electrolysis of a solution of HF and potassium bifluoride. The potassium bifluoride is needed because anhydrous HF does not conduct …

  2. Hydrogen Fluoride | Chemical Emergencies | CDC

    Sep 6, 2024 · Background Hydrogen fluoride is a chemical compound (made up of two or more elements) that has the element fluorine. It can be a colorless gas or a fuming liquid, which …

  3. Information on Hydrofluoric Acid – Stanford Environmental ...

    Hydrofluoric acid, a solution of hydrogen fluoride gas (HF) in water, is one of the most corrosive and dangerous chemicals encountered in the laboratory. Exposure to HF can cause severe …

  4. Hydrofluoric Acid | HF | CID 14917 - PubChem

    Hydrofluoric Acid | HF or FH | CID 14917 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity …

  5. Ensure all containers of HF are clearly labeled. ALWAYS work with a chem-ically compatible secondary containment tray. Ensure HF containing vials and flasks are securely sup-ported …

  6. Hydrogen Fluoride - American Chemistry Council

    HF is a critical component in the production of gasoline and in producing fluorine-containing materials such as refrigerants, pharmaceutical intermediates and fluoropolymers.

  7. High frequency - Wikipedia

    Frequencies immediately below HF are denoted medium frequency (MF), while the next band of higher frequencies is known as the very high frequency (VHF) band. The HF band is a major …

  8. HYDROGEN FLUORIDE Definition & Meaning - Merriam-Webster

    Jul 8, 2025 · The meaning of HYDROGEN FLUORIDE is a colorless corrosive fuming usually gaseous compound HF that yields hydrofluoric acid when dissolved in water.

  9. CDC - NIOSH Pocket Guide to Chemical Hazards - Hydrogen fluoride

    Anhydrous hydrogen fluoride, Aqueous hydrogen fluoride, HF-A, Hydrofluoric acid Colorless gas or fuming liquid (below 67°F) with a strong, irritating odor. [Note: Shipped in cylinders.]

  10. Fact Sheet: Hydrofluoric Acid - University of Pennsylvania

    Jul 5, 2024 · HF readily penetrates the skin and mucous membranes, and can cause deep tissue destruction. Severity and timing of effects depends on the concentration, duration of exposure, …