Hydrofluoric Acid 5% Solution, Lab Grade *

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About Hydrofluoric Acid 5% Solution, Lab Grade

Hydrofluoric Acid, also known as Hydrogen Fluoride, Fluoric Acid, Fluorine Hydride, and Fluor Hydric Acid appears as a clear, colorless to yellow liquid. It is a fuming liquid with an acidic, strong suffocating odor. It is shipped as a compressed gas in steel cylinders and is soluble in Water and Alcohol but slightly soluble in Ether. It is the strongest inorganic acid and is commonly used in research due to its ability to etch silicon compounds.

Lab Alley’s Hydrofluoric Acid contains 5% Hydrogen Fluoride mixed with 95% of Water. Chemically pure or Laboratory reagents are two terms often used to describe Lab Grade chemicals. Lab Grade chemicals do not meet any accepted quality or purity requirements such as the ACS Grade, the USP Grade, and the FCC Grade, despite their acceptable purity.

    100% Hydrofluoric Acid And 10% Hydrofluoric Acid For Sale

    Most people that are looking for 100% hydrofluoric acid for sale are actually looking for 100% (or 99.9%) hydrogen fluoride. The sale of this product has been discontinued by numerous pure hydrofluoric acid and pure hydrogen fluoride suppliers including Lab Alley, which does not sell 100% hydrofluoric acid. This is an extremely hard product to locate in the USA.

    What Is Hydrogen Fluoride?

    Hydrogen fluoride is a chemical compound that contains fluorine. It can exist as a colorless gas or as a fuming liquid, or it can be dissolved in water.  When hydrogen fluoride is dissolved in water, it may be called hydrofluoric acid.

    Hydrogen fluoride is a highly dangerous gas, forming corrosive and penetrating hydrofluoric acid upon contact with moisture. The gas can also cause blindness by rapid destruction of the corneas.

    HF is miscible with water (dissolves in any proportion). In contrast, the other hydrogen halides exhibit limiting solubilities in water. Hydrogen fluoride form a monohydrate HF.H2O (−40 °C (−40 °F), which is 44 °C (79 °F) above the melting point of pure HF.  Aqueous solutions of HF are called hydrofluoric acid. When dilute, hydrofluoric acid is a weak acid, unlike the other hydrohalic acids. However concentrated solutions are strong acids.

    Hydrogen fluoride is a chemical compound with the chemical formula HF. This colorless gas or liquid is the principal industrial source of fluorine, often as an aqueous solution called hydrofluoric acid. It is an important feedstock in the preparation of many important compounds including pharmaceuticals and polymers (e.g. Teflon). HF is widely used in the petrochemical industry as a component of superacids. Hydrogen fluoride boils near room temperature, much higher than other hydrogen halides.

    About Hydrofluoric Acid

    Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. It is used to make most fluorine-containing compounds; examples include the pharmaceutical fluoxetine (Prozac) and the material PTFE (Teflon). Elemental fluorine is produced from it. Solutions of HF are colorless, acidic and highly corrosive. Hydrofluoric acid is commonly used to etch glass and silicon wafers. The wafer can be immersed in a bath of etchant, which must be agitated to achieve good process control. For instance, buffered hydrofluoric acid (BHF) is used commonly to etch silicon dioxide over a silicon substrate.

    Hydrofluoric acid is the aqueous form of hydrogen fluoride gas, miscible with water. Both versions are commonly referred to as HF in research and industry. It has a molecular weight of 20.01 and can typically be found in concentrations of 48-52% in water.

    The only weak acid formed by the reaction between hydrogen and a halogen is hydrofluoric acid (HF). While technically a weak acid, hydrofluoric acid is extremely powerful and highly corrosive.  Hydrofluoric acid is a weak acid. Weak acids do not completely dissociate into their ions in water. For example, HF dissociates into the H+ and F- ions in water, but some HF remains in solution, so it is not a strong acid. There are many more weak acids than strong acids. Most organic acids are weak acids.

    Hydrofluoric Acid PH

    Aqueous solutions of hydrofluoric acide dilute as 0.1 M will pH at approximately 1.0.

    How Is Hydrofluoric Acid Used In The United States?

    Hydrofluoric acid that is purchased from Lab Alley has a variety of uses in industry and research. It is one of the strongest inorganic acids.

    The principal use is in organofluorine chemistry for the production of Teflon, fluoropolymers, fluorocarbons, and refrigerants such as freon. Most high-volume inorganic fluoride compounds are prepared from hydrofluoric acid.

    Hydrofluoric acid is an aqueous inorganic acid solution commonly used in research and industry for its ability to etch silicon compounds. It is an essential tool for semiconductor and electronic fabrication, mineral processing and glass etching. In addition to its useful properties, hydrofluoric acid also poses severe health risks upon exposure. Best management practices must be reviewed and continually employed while working with this material.

    Hydrofluoric acid is used for cleaning cast iron, copper, brass; removing efflorescence from brick and stone, or sand particle from metallic castings; working over too heavily weighted silks; frosting, etching glass and enamel; polishing crystal glass; decomposing cellulose; enameling and galvanizing iron; increasing porosity of ceramics.

    Hydrofluoric acid is used in chemistry, laboratory analytical work to determine silicon dioxide. Hydrofluoric acid is a catalyst, especially in the petroleum industry (paraffin alkylation); in fluorination processes, especially in the aluminum industry; in the manufacture of fluorides; for separating uranium isotopes; in making fluorine containing plastics; in dye chemistry. Hydrofluoric acid is a catalyst in alkylation, isomerization, condensation, dehydration, and polymerization reactions; fluorinating agent in organic and inorganic reactions; production of fluorine and aluminum fluoride; additive in liquid rocket propellents; refining of uranium.

    Hydrofluoric acid is used for etching and glass cleaning in the manufacture of glass, semiconductors (computer chips), and ceramics (home and industrial applications). Hydrofluoric acid is used for rust removal in commercial and home laundry products. Hydrofluoric acid is used for milling titanium. Metallurgy laboratories. Hydrofluoric acid is used for petroleum exploration, refining (in alkylation units), and in the oil fields.

    Hydrofluoric acid is used by dental laboratories to clean porcelain prosthetics. It is used for electroplating. It is included in some janitorial products for cleaning tiles, and ceramic devices. It is used for aluminum brighteners. It is used in various chemical industries. It is used by porcelain painters.

    Common Uses

    • Catalyst
    • Solvent
    • Ion exchange agent
    • Oxidizing/Reducing agent

    Commercial/Industrial Applications

    • Chemical precursor
    • Laboratory chemical
    • Water treatment
    • Petroleum industry

    Chemistry Table

    7664-39-3
    HF
    20.01
    Hydrogen fluoride, Fluorhydric acid, Fluorane, Hydrofluoride, Hydrogen-fluoride, Rubigine, Fluohydric Acid
    14917
    Laboratory Grade
    5.0%
    Hydrofluoric Acid
    1790
    Grade Lab

    Safety and Handling

    Hydrofluoric Acid 5% by weight Shipping Information:
    DOT: Hydrofluoric acid, solution, 8, UN 1790, PG II

    Hydrofluoric Acid Can Cause Burns To The Skin

    When hydrofluoric acid comes into contact with human skin it causes deep burns.  Hydrogen fluoride readily dissolves in water to form colorless hydrofluoric acid solutions; dilute solutions are visibly indistinguishable from water.  Hydrofluoric Acid is extremely dangerous. If it gets on your skin, it can kill you. It is very corrosive and very toxic to humans. 

    A medical assessment in an emergency department is recommended for the following situations.

    • Dermal (skin) exposure to any concentration of hydrofluoric acid where calcium gluconate gel has not been given as a first aid procedure, even if asymptomatic.
    • Dermal (skin) exposure to any solution of greater than 6% hydrofluoric acid, regardless of whether calcium gluconate gel has been administered.
    • Any patient developing pain, erythema, or swelling at the exposure site at any time following dermal exposure to hydrofluoric acid. 

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    Questions & Answers

    • What is the lead time for the 5% Hydrofluoric Acid?

      We kindly ask that you contact our customer care team via e-mail at customerservice@laballey.com or via phone at 512-668-9928.
      Thank you.