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Hydrofluoric Acid

Hydrofluoric Acid (17373)

49%, UHP Side Product

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General Information

  • CAS Number
    • 7664-39-3

Physical Properties

  • Odor
    • Stinging
  • Vapor Pressure
    • 101 hPa (50 °C)
  • Physical Form
    • Liquid
  • Flashpoint
    • Not applicable
  • Partition Coefficient
    • No data available
  • Melting Point/Range
    • -35 °C
  • Boiling Point/Range
    • 105 °C (1,013 hPa)
  • pH
    • Acidic
  • Color
    • Colorless

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Ignition Temperature
    • Not applicable
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.

International Transportation

  • UN Number
    • 1790
  • Harmonized System Code
    • 2811110000
  • Sub Class 1
    • 6.1
  • Chemical Class
    • 8
  • Packing Group
    • II

General Information

  • CAS Number
    • 7664-39-3

Physical Properties

  • Odor
    • Stinging
  • Vapor Pressure
    • 101 hPa (50 °C)
  • Physical Form
    • Liquid
  • Flashpoint
    • Not applicable
  • Partition Coefficient
    • No data available
  • Melting Point/Range
    • -35 °C
  • Boiling Point/Range
    • 105 °C (1,013 hPa)
  • pH
    • Acidic
  • Color
    • Colorless

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Ignition Temperature
    • Not applicable
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.

International Transportation

  • UN Number
    • 1790
  • Harmonized System Code
    • 2811110000
  • Sub Class 1
    • 6.1
  • Chemical Class
    • 8
  • Packing Group
    • II
  • CAS Number : 7664-39-3
  • Odor : Stinging
  • Vapor Pressure : 101 hPa (50 °C)
  • Physical Form : Liquid
  • Flashpoint : Not applicable
  • Partition Coefficient : No data available
  • Melting Point/Range : -35 °C
  • Boiling Point/Range : 105 °C (1,013 hPa)
  • pH : Acidic
  • Color : Colorless
  • Corrosivity : Corrosive to metals
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Ignition Temperature : Not applicable
  • Chemical Stability : Stable under normal conditions.
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
  • UN Number : 1790
  • Harmonized System Code : 2811110000
  • Sub Class 1 : 6.1
  • Chemical Class : 8
  • Packing Group : II
Property
Value
assay
48.5 - 49.5 %
arsenic (As)
Max. 25 ppm
iron (Fe)
Max. 25 ppm
hexafluorosilic acid(H2SiF6)
Max. 0.007 %
sulfite (as SO2)
Max. 0.007 %