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Hydrogen fluoride (HF)

  • Basic info:

  • English name

    Hydrogen fluoride

  • CAS

    7664-39-3

  • Hazard info

    1052

  • Transport

    ADR Class 8CT1

  • Properties:

  • Molar mass

    20.01

  • Gas density at 15°С/1,013 bar

    0.99

  • Boiling point at 1,013 bar

    19.5

Options

Filling
  • single-piece

47 l — 150 bar

Connection
Recommended reducer

Specs

Hydrogen fluoride 3.5
Composition
HF % ≥99,95
Description
Attributes
Suits for
Transport
Papers

Hydrogen fluoride (hydrofluoride, hydrogen fluoride) is a colorless gas of hazard class II that forms hydrofluoric acid when mixed with water in any quantity.

HF is isolated from fluorspar using aggressive non-volatile acids. In pure form the compound is chemically inert. However it quickly oxidizes in the presence of water and a number of other chemical substances, intensely releasing heat. This stipulates extreme toxicity, fire and explosion hazard of hydrogen fluoride (hazard class II (highly toxic substances), in accordance with GOST 12.1.007-76).

  • The gas with the chemical formula HF has a sharp characteristic odor
  • is colorless
  • slightly lighter than air
  • and extremely toxic

The gas has found widespread use in the chemical and biochemical industries. It is necessary for obtaining the rare mineral cryolite, fluorine products from uranium interaction, freons, fluorinated organic substances, as well as frosted etching of silicate glass. In biochemistry, the gas is used to create a superacidic environment by adding fluoride acceptors to liquid hydrofluoric acid.

иконка Suits for Chemical industry Chemical industry
иконка Suits for Electronics Electronics
иконка Suits for Nanotechnologies Nanotechnologies

The transportation of cylinders must be carried out in a horizontal position with padding between the cylinders or in a vertical position with protection against possible falls. Transportation in packaged form in special containers is allowed. Joint transportation with oxygen cylinders is not allowed.

The movement/transportation must comply with the codes of the respective type of transport, federal laws, other regulatory acts, and the legislation of the country where the movement/transportation/transshipment takes place.

Pure nitrogen is dangerous when transporting

Can be transported by

  • train
  • truck
  • ship

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