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CAS 7664-39-3

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Hydrofluoric acid

Description:
Hydrofluoric acid (HF) is a colorless, fuming liquid that is highly corrosive and toxic. It is a weak acid, but it can cause severe burns and damage to tissues upon contact. HF is known for its ability to dissolve glass and is often used in industrial applications such as glass etching, metal cleaning, and the production of fluorine-containing compounds. The acid is a solution of hydrogen fluoride in water and exhibits a distinctive pungent odor. Due to its reactivity, it can form hydrogen bonds, which contributes to its unique properties. Hydrofluoric acid is also a significant source of fluoride ions, which can be harmful to biological systems. Safety precautions are critical when handling HF, as it can penetrate skin and cause systemic toxicity, including effects on the bones and teeth. Proper protective equipment and immediate medical attention are essential in case of exposure. Its handling and storage require strict adherence to safety protocols to mitigate the risks associated with this hazardous substance.
Formula:FH
InChI:InChI=1/FH/h1H/i/hD
InChI key:InChIKey=KRHYYFGTRYWZRS-UHFFFAOYSA-N
SMILES:F
Synonyms:
  • (~2~H)hydrogen fluoride
  • Acide fluorhydrique
  • Acido fluoridrico
  • Alsurf 45
  • Anhydrous Hydrogen Fluoride
  • Anhydrous hydrofluoric acid
  • Antisal 2b
  • Ácido fluorhídrico
  • Fluorhydric acid
  • Fluoric Acid
  • See more synonyms
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Found 3 products.
  • Hydrofluoric acid, Environmental Grade Plus, 47-51%
    Alfa Aesar By Thermo Fisher Scientific
    + Info

    Hydrofluoric acid, Environmental Grade Plus, 47-51%

    CAS:
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formula:FH
    Color and Shape:Liquid, Clear colorless
    Molecular weight:20.01

    Ref: 02-038746

    500ml
    To inquire
  • Hydrofluoric Acid
    TRC
    + Info

    Hydrofluoric Acid

    Controlled Product
    CAS:
    <p>Applications Hydrofluoric Acid is a common chemical reagent used as a precursor to most pharmaceutical and high volume fluoride compounds as well as in the oil refinery process. Hydrofluoric acid causes skin burns if contact with skin.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Yamashita M. et al.; Crit. Care. Med., 29, 1575 (2001); Stahl, K. et al.: Ind. Eng. Chem., 7, 56 (1915);<br></p>
    Formula:FH
    Color and Shape:Neat
    Molecular weight:20.01

    Ref: TR-H942450

    1g
    96.00€
    5g
    115.00€
    10g
    180.00€
  • Hydrofluoric acid - min 55%
    Biosynth
    + Info

    Hydrofluoric acid - min 55%

    Controlled Product
    CAS:
    <p>Hydrofluoric acid is a colorless, corrosive and toxic inorganic acid that is commonly used as a chemical reagent. It is a solution of hydrogen fluoride in water, with concentration usually between 20% and 50%. Hydrofluoric acid reacts with many materials such as glass, asbestos, plastics and metals to produce flammable gases or corrosive fumes. The detection sensitivity for hydrofluoric acid ranges from 0.5 ppm to 1.0 ppm. The model system for the reaction was zirconium oxide (ZrO2) and hydrogen fluoride (HF). A study of acute toxicities of hydrofluoric acid showed that it has low acute toxicity when ingested or inhaled but has high chronic toxicity. Hydrofluoric acid is also carcinogenic and can cause birth defects. Hydrofluoric acid can react with carbonate ions to form a weak acid complex: H-F+CO3-2=HCO3-1+. This reaction mechanism is the same for other</p>
    Formula:HF
    Purity:Min. 95%
    Color and Shape:Liquid
    Molecular weight:20.01 g/mol

    Ref: 3D-FH165177

    ne
    Discontinued
    Discontinued product