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Hydrofluoric Acid

Hydrofluoric Acid (17735)

40%, Puranal

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General Information

  • CAS Number
    • 7664-39-3

Physical Properties

  • Boiling Point/Range
    • 110 °C (1,013 hPa)
  • Vapor Pressure
    • 75 hPa (50 °C)
  • Physical Form
    • Liquid
  • Color
    • Colorless
  • pH
    • Acidic
  • Flashpoint
    • Not applicable
  • Odor
    • Stinging
  • Melting Point/Range
    • -40 °C

Safety Information

  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Ignition Temperature
    • Not applicable
  • Corrosivity
    • Corrosive to metals

International Transportation

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

General Information

  • CAS Number
    • 7664-39-3

Physical Properties

  • Boiling Point/Range
    • 110 °C (1,013 hPa)
  • Vapor Pressure
    • 75 hPa (50 °C)
  • Physical Form
    • Liquid
  • Color
    • Colorless
  • pH
    • Acidic
  • Flashpoint
    • Not applicable
  • Odor
    • Stinging
  • Melting Point/Range
    • -40 °C

Safety Information

  • Thermal Decomposition
    • Fire or intense heat may cause violent rupture of packages.
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Ignition Temperature
    • Not applicable
  • Corrosivity
    • Corrosive to metals

International Transportation

  • Packing Group
    • II
  • UN Number
    • 1790
  • Sub Class 1
    • 6.1
  • Chemical Class
    • 8
  • Harmonized System Code
    • 28111100
  • CAS Number : 7664-39-3
  • Boiling Point/Range : 110 °C (1,013 hPa)
  • Vapor Pressure : 75 hPa (50 °C)
  • Physical Form : Liquid
  • Color : Colorless
  • pH : Acidic
  • Flashpoint : Not applicable
  • Odor : Stinging
  • Melting Point/Range : -40 °C
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Ignition Temperature : Not applicable
  • Corrosivity : Corrosive to metals
  • Packing Group : II
  • UN Number : 1790
  • Sub Class 1 : 6.1
  • Chemical Class : 8
  • Harmonized System Code : 28111100
Property
Value
assay
40 - 41 %
residue on ignition (SO4)
Max. 5 ppm
silver (Ag)
Max. 0.02 ppm
aluminium (Al)
Max. 0.05 ppm
arsenic (As)
Max. 0.05 ppm
gold (Au)
Max. 0.02 ppm
boron (B)
Max. 0.05 ppm
barium (Ba)
Max. 0.1 ppm
beryllium (Be)
Max. 0.01 ppm
bismuth (Bi)
Max. 0.02 ppm
calcium (Ca)
Max. 0.5 ppm
cadmium (Cd)
Max. 0.01 ppm
cobalt (Co)
Max. 0.01 ppm
chromium (Cr)
Max. 0.01 ppm
copper (Cu)
Max. 0.01 ppm
iron (Fe)
Max. 0.1 ppm
gallium (Ga)
Max. 0.02 ppm
indium (In)
Max. 0.02 ppm
potassium (K)
Max. 0.1 ppm
lithium (Li)
Max. 0.02 ppm
magnesium (Mg)
Max. 0.1 ppm
manganese (Mn)
Max. 0.01 ppm
molybdenum (Mo)
Max. 0.01 ppm
sodium (Na)
Max. 0.2 ppm
nickel (Ni)
Max. 0.01 ppm
lead (Pb)
Max. 0.02 ppm
platinum (Pt)
Max. 0.02 ppm
antimony (Sb)
Max. 0.01 ppm
tin (Sn)
Max. 0.02 ppm
strontium (Sr)
Max. 0.02 ppm
titanium (Ti)
Max. 0.1 ppm
thallium (Tl)
Max. 0.02 ppm
vanadium (V)
Max. 0.01 ppm
zinc (Zn)
Max. 0.05 ppm
zirconium (Zr)
Max. 0.01 ppm
chloride (Cl)
Max. 5 ppm
hexafluorosilic acid(H2SiF6)
Max. 50 ppm
nitrate (NO3)
Max. 3 ppm
phosphate (PO4)
Max. 0.5 ppm
sulfate (SO4)
Max. 1 ppm
sulfite (SO3)
Max. 2 ppm