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Hydrofluoric Acid

Hydrofluoric Acid (17643)

40%, VLSI Puranal 250 SG

General Information

  • CAS Number
    • 7664-39-3
  • Grade
    • VLSI

Physical Properties

  • Boiling Point/Range
    • 110 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 1.140 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • -40 °C
  • Odor
    • Stinging
  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 75 hPa (50 °C)

Safety Information

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

International Transportation

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

General Information

  • CAS Number
    • 7664-39-3
  • Grade
    • VLSI

Physical Properties

  • Boiling Point/Range
    • 110 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 1.140 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • -40 °C
  • Odor
    • Stinging
  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 75 hPa (50 °C)

Safety Information

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

International Transportation

  • Chemical Class
    • 8
  • Harmonized System Code
    • 28111100
  • Packing Group
    • II
  • Sub Class 1
    • 6.1
  • UN Number
    • 1790
  • Grade : VLSI
  • CAS Number : 7664-39-3
  • Melting Point/Range : -40 °C
  • Solubility in Water : Completely miscible
  • Boiling Point/Range : 110 °C (1,013 hPa)
  • Color : Colorless
  • Flashpoint : Not applicable
  • Physical Form : Liquid
  • Density : 1.140 g/cm3 (20 °C)
  • Vapor Pressure : 75 hPa (50 °C)
  • pH : Acidic
  • Odor : Stinging
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
  • Ignition Temperature : Not applicable
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Corrosivity : Corrosive to metals
  • Sub Class 1 : 6.1
  • Chemical Class : 8
  • UN Number : 1790
  • Harmonized System Code : 28111100
  • Packing Group : II
Property
Value
particles > 0,5 µm
Max. 250 P/ml
particles > 5 µm
Max. 2 P/ml
assay
39 - 41 %
residue on ignition (SO4)
Max. 2 ppm
silver (Ag)
Max. 0.01 ppm
aluminium (Al)
Max. 0.02 ppm
gold (Au)
Max. 0.02 ppm
boron (B)
Max. 0.02 ppm
barium (Ba)
Max. 0.01 ppm
beryllium (Be)
Max. 0.01 ppm
bismuth (Bi)
Max. 0.02 ppm
calcium (Ca)
Max. 0.05 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. 0.05 ppm
gallium (Ga)
Max. 0.01 ppm
germanium (Ge)
Max. 0.02 ppm
indium (In)
Max. 0.01 ppm
potassium (K)
Max. 0.02 ppm
lithium (Li)
Max. 0.01 ppm
magnesium (Mg)
Max. 0.02 ppm
manganese (Mn)
Max. 0.01 ppm
molybdenum (Mo)
Max. 0.01 ppm
sodium (Na)
Max. 0.05 ppm
nickel (Ni)
Max. 0.01 ppm
lead (Pb)
Max. 0.01 ppm
platinum (Pt)
Max. 0.02 ppm
antimony (Sb)
Max. 0.01 ppm
tin (Sn)
Max. 0.02 ppm
strontium (Sr)
Max. 0.01 ppm
titanium (Ti)
Max. 0.01 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. 1 ppm
hexafluorosilic acid(H2SiF6)
Max. 50 ppm
nitrate (NO3)
Max. 3 ppm
phosphate (PO4)
Max. 0.1 ppm
sulfate (SO4)
Max. 0.5 ppm
sulfite (SO3)
Max. 0.5 ppm
APHA
Max. 10