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Fluorides

Hydrofluoric acid 58-59.5% (01062)

technical, fluoride source, assay 58.0 - 59.5%

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Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. Solutions of HF are colourless, acidic and highly corrosive. It is used to make most fluorine-containing compounds It is commonly used to etch glass and steel / iron

General Information

  • Application
    • Industrial
  • CAS Number
    • 7664-39-3

Physical Properties

  • Solubility in Water
    • Completely miscible
  • Melting Point/Range
    • -35 °C
  • pH
    • Acidic
  • Odor
    • Stinging
  • Physical Form
    • Crystalline powder
  • Density
    • 1.200 g/cm3 20 °C
  • Vapor Pressure
    • 101 hPa 50 °C
  • Color
    • Colorless
  • Boiling Point/Range
    • 105 °C 1,013 hPa

Safety Information

  • Incompatible Materials
    • When diluting, add acids to water, never the other way around. On dilution or dissolving in water, considerable heating always occurs.
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.
  • Corrosivity
    • Corrosive to metals

International Transportation

  • UN Number
    • 1790
  • Harmonized System Code
    • 28111100
  • Chemical Class
    • 8
  • Sub Class 1
    • 6.1
  • Packing Group
    • II

General Information

  • Application
    • Industrial
  • CAS Number
    • 7664-39-3

Physical Properties

  • Solubility in Water
    • Completely miscible
  • Melting Point/Range
    • -35 °C
  • pH
    • Acidic
  • Odor
    • Stinging
  • Physical Form
    • Crystalline powder
  • Density
    • 1.200 g/cm3 20 °C
  • Vapor Pressure
    • 101 hPa 50 °C
  • Color
    • Colorless
  • Boiling Point/Range
    • 105 °C 1,013 hPa

Safety Information

  • Incompatible Materials
    • When diluting, add acids to water, never the other way around. On dilution or dissolving in water, considerable heating always occurs.
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.
  • Corrosivity
    • Corrosive to metals

International Transportation

  • UN Number
    • 1790
  • Harmonized System Code
    • 28111100
  • Chemical Class
    • 8
  • Sub Class 1
    • 6.1
  • Packing Group
    • II
  • Application : Industrial
  • CAS Number : 7664-39-3
  • Solubility in Water : Completely miscible
  • Melting Point/Range : -35 °C
  • pH : Acidic
  • Odor : Stinging
  • Physical Form : Crystalline powder
  • Density : 1.200 g/cm3 20 °C
  • Vapor Pressure : 101 hPa 50 °C
  • Color : Colorless
  • Boiling Point/Range : 105 °C 1,013 hPa
  • Incompatible Materials : When diluting, add acids to water, never the other way around. On dilution or dissolving in water, considerable heating always occurs.
  • Chemical Stability : Stable under normal conditions.
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
  • Corrosivity : Corrosive to metals
  • UN Number : 1790
  • Harmonized System Code : 28111100
  • Chemical Class : 8
  • Sub Class 1 : 6.1
  • Packing Group : II
Property
Value
assay
58.0 - 59.5 %
iron (Fe)
Max. 0.01 %
sulfate (SO4)
Max. 0.05 %
hexafluorosilic acid(H2SiF6)
Max. 0.2 %