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Hydrofluoric Acid

Hydrofluoric Acid (17073)

49%, ULSI Puranal

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General Information

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

Physical Properties

  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Melting Point/Range
    • -35 °C
  • Boiling Point/Range
    • 105 °C 1,013 hPa
  • Solubility in Water
    • Completely miscible
  • Color
    • Colorless
  • Partition Coefficient
    • No data available
  • Vapor Pressure
    • 101 hPa 50 °C
  • Odor
    • Stinging
  • Density
    • 1.170 g/cm3 20 °C
  • Flashpoint
    • Not applicable

Safety Information

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

International Transportation

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

General Information

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

Physical Properties

  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Melting Point/Range
    • -35 °C
  • Boiling Point/Range
    • 105 °C 1,013 hPa
  • Solubility in Water
    • Completely miscible
  • Color
    • Colorless
  • Partition Coefficient
    • No data available
  • Vapor Pressure
    • 101 hPa 50 °C
  • Odor
    • Stinging
  • Density
    • 1.170 g/cm3 20 °C
  • Flashpoint
    • Not applicable

Safety Information

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

International Transportation

  • Chemical Class
    • 8
  • Packing Group
    • II
  • Sub Class 1
    • 6.1
  • UN Number
    • 1790
  • Harmonized System Code
    • 28111100
  • Grade : ULSI
  • CAS Number : 7664-39-3
  • pH : Acidic
  • Physical Form : Liquid
  • Melting Point/Range : -35 °C
  • Boiling Point/Range : 105 °C 1,013 hPa
  • Solubility in Water : Completely miscible
  • Color : Colorless
  • Partition Coefficient : No data available
  • Vapor Pressure : 101 hPa 50 °C
  • Odor : Stinging
  • Density : 1.170 g/cm3 20 °C
  • Flashpoint : Not applicable
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Ignition Temperature : Not applicable
  • Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
  • Corrosivity : Corrosive to metals
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Chemical Stability : Stable under normal conditions.
  • Chemical Class : 8
  • Packing Group : II
  • Sub Class 1 : 6.1
  • UN Number : 1790
  • Harmonized System Code : 28111100
Property
Value
particles > 0,2 µm
Max. 50 P/ml
particles > 0,5 µm
Max. 10 P/ml
particles > 1 µm
Max. 50 P/ml
assay
48.8 - 49.2 %
residue on ignition (SO4)
Max. 5 ppm
silver (Ag)
Max. 5 ppb
aluminium (Al)
Max. 10 ppb
arsenic (As)
Max. 5 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
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
heavy metals (as Pb)
Max. 10 ppb
chloride (Cl)
Max. 0.3 ppm
hexafluorosilic acid(H2SiF6)
Max. 50 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. 7