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Hydrofluoric Acid

Hydrofluoric Acid (81041)

49%, ULSI

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General Information

  • CAS Number
    • 7664-39-3

Physical Properties

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

Safety Information

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

International Transportation

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

General Information

  • CAS Number
    • 7664-39-3

Physical Properties

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

Safety Information

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

International Transportation

  • Packing Group
    • II
  • UN Number
    • 1790
  • Chemical Class
    • 8
  • Sub Class 1
    • 6.1
  • Harmonized System Code
    • 28111100
  • CAS Number : 7664-39-3
  • Color : Colorless
  • pH : Acidic
  • Vapor Pressure : 101 hPa (50 °C)
  • Partition Coefficient : No data available
  • Boiling Point/Range : 105 °C (1,013 hPa)
  • Flashpoint : Not applicable
  • Odor : Stinging
  • Melting Point/Range : -35 °C
  • Physical Form : Liquid
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Chemical Stability : Stable under normal conditions.
  • Corrosivity : Corrosive to metals
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Ignition Temperature : Not applicable
  • Packing Group : II
  • UN Number : 1790
  • Chemical Class : 8
  • Sub Class 1 : 6.1
  • Harmonized System Code : 28111100
Property
Value
particles > 0,5 µm
Max. 10 P/ml
assay
48.8 - 49.2 %
silver (Ag)
Max. 5 ppb
aluminium (Al)
Max. 10 ppb
gold (Au)
Max. 5 ppb
boron (B)
Max. 5 ppb
barium (Ba)
Max. 10 ppb
beryllium (Be)
Max. 5 ppb
bismuth (Bi)
Max. 5 ppb
calcium (Ca)
Max. 10 ppb
cadmium (Cd)
Max. 10 ppb
cobalt (Co)
Max. 10 ppb
chromium (Cr)
Max. 10 ppb
copper (Cu)
Max. 10 ppb
iron (Fe)
Max. 10 ppb
gallium (Ga)
Max. 10 ppb
germanium (Ge)
Max. 10 ppb
potassium (K)
Max. 10 ppb
lithium (Li)
Max. 5 ppb
magnesium (Mg)
Max. 10 ppb
manganese (Mn)
Max. 10 ppb
molybdenum (Mo)
Max. 10 ppb
sodium (Na)
Max. 10 ppb
nickel (Ni)
Max. 10 ppb
lead (Pb)
Max. 10 ppb
antimony (Sb)
Max. 5 ppb
tin (Sn)
Max. 10 ppb
strontium (Sr)
Max. 10 ppb
tantalum (Ta)
Max. 10 ppb
titanium (Ti)
Max. 10 ppb
thallium (Tl)
Max. 10 ppb
vanadium (V)
Max. 10 ppb
zinc (Zn)
Max. 10 ppb
zirconium (Zr)
Max. 10 ppb
chloride (Cl)
Max. 0.3 ppm
nitrate (NO3)
Max. 1 ppm
phosphate (PO4)
Max. 0.75 ppm
sulfate (SO4)
Max. 0.5 ppm
sulfite (SO3)
Max. 0.5 ppm
APHA
Max. 10