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Hydrofluoric Acid

Hydrofluoric Acid (17640)

50%, VLSI Puranal 80

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General Information

  • CAS Number
    • 7664-39-3

Physical Properties

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

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Flammable Gas Formation
    • The substance or mixture does not emit flammable gases in contact with water.
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Flammability
    • Not applicable
  • Self Ignition
    • Not auto-flammable
  • Chemical Stability
    • Stable under normal conditions.
  • Ignition Temperature
    • Not applicable

International Transportation

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

General Information

  • CAS Number
    • 7664-39-3

Physical Properties

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

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Flammable Gas Formation
    • The substance or mixture does not emit flammable gases in contact with water.
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Flammability
    • Not applicable
  • Self Ignition
    • Not auto-flammable
  • Chemical Stability
    • Stable under normal conditions.
  • Ignition Temperature
    • Not applicable

International Transportation

  • Harmonized System Code
    • 28111100
  • UN Number
    • 1790
  • Sub Class 1
    • 6.1
  • Packing Group
    • II
  • Chemical Class
    • 8
  • CAS Number : 7664-39-3
  • pH : Acidic
  • Melting Point/Range : -35 °C
  • Flashpoint : Not applicable
  • Partition Coefficient : No data available
  • Boiling Point/Range : 105 °C (1,013 hPa)
  • Vapor Pressure : 101 hPa (50 °C)
  • Odor : Stinging
  • Physical Form : Liquid
  • Color : Colorless
  • Corrosivity : Corrosive to metals
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Flammable Gas Formation : The substance or mixture does not emit flammable gases in contact with water.
  • Thermal Decomposition : No decomposition if used as directed.
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Flammability : Not applicable
  • Self Ignition : Not auto-flammable
  • Chemical Stability : Stable under normal conditions.
  • Ignition Temperature : Not applicable
  • Harmonized System Code : 28111100
  • UN Number : 1790
  • Sub Class 1 : 6.1
  • Packing Group : II
  • Chemical Class : 8
Property
Value
particles > 0,5 µm
Max. 250 P/ml
assay
49.8 - 50.2 %
silver (Ag)
Max. 0.010 ppm
aluminium (Al)
Max. 0.020 ppm
arsenic, antimony (as As)
Max. 0.010 ppm
gold (Au)
Max. 0.020 ppm
boron (B)
Max. 0.020 ppm
barium (Ba)
Max. 0.010 ppm
beryllium (Be)
Max. 0.010 ppm
bismuth (Bi)
Max. 0.020 ppm
calcium (Ca)
Max. 0.050 ppm
cadmium (Cd)
Max. 0.010 ppm
cobalt (Co)
Max. 0.010 ppm
chromium (Cr)
Max. 0.010 ppm
copper (Cu)
Max. 0.010 ppm
iron (Fe)
Max. 0.050 ppm
gallium (Ga)
Max. 0.010 ppm
germanium (Ge)
Max. 0.020 ppm
indium (In)
Max. 0.010 ppm
potassium (K)
Max. 0.020 ppm
lithium (Li)
Max. 0.010 ppm
magnesium (Mg)
Max. 0.020 ppm
manganese (Mn)
Max. 0.010 ppm
molybdenum (Mo)
Max. 0.010 ppm
sodium (Na)
Max. 0.050 ppm
nickel (Ni)
Max. 0.010 ppm
lead (Pb)
Max. 0.010 ppm
platinum (Pt)
Max. 0.020 ppm
tin (Sn)
Max. 0.020 ppm
strontium (Sr)
Max. 0.010 ppm
titanium (Ti)
Max. 0.010 ppm
thallium (Tl)
Max. 0.020 ppm
vanadium (V)
Max. 0.010 ppm
zinc (Zn)
Max. 0.050 ppm
zirconium (Zr)
Max. 0.010 ppm
chloride (Cl)
Max. 1.0 ppm
hexafluorosilic acid(H2SiF6)
Max. 50 ppm
nitrate (NO3)
Max. 3.0 ppm
phosphate (PO4)
Max. 0.10 ppm
sulfate (SO4)
Max. 0.50 ppm
sulfite (SO3)
Max. 0.50 ppm