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Hydrofluoric Acid

Hydrofluoric Acid (17602)

50%, VLSI Puranal 250

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General Information

  • CAS Number
    • 7664-39-3

Physical Properties

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

Safety Information

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

International Transportation

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

General Information

  • CAS Number
    • 7664-39-3

Physical Properties

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

Safety Information

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

International Transportation

  • Harmonized System Code
    • 28111100
  • Sub Class 1
    • 6.1
  • Chemical Class
    • 8
  • Packing Group
    • II
  • UN Number
    • 1790
  • CAS Number : 7664-39-3
  • Melting Point/Range : -35 °C
  • Partition Coefficient : No data available
  • pH : Acidic
  • Boiling Point/Range : 105 °C 1,013 hPa
  • Odor : Stinging
  • Physical Form : Liquid
  • Vapor Pressure : 101 hPa 50 °C
  • Color : Colorless
  • Flashpoint : Not applicable
  • Chemical Stability : Stable under normal conditions.
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Flammability : Not applicable
  • Ignition Temperature : Not applicable
  • Corrosivity : Corrosive to metals
  • Flammable Gas Formation : The substance or mixture does not emit flammable gases in contact with water.
  • Thermal Decomposition : No decomposition if used as directed.
  • Self Ignition : Not auto-flammable
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Harmonized System Code : 28111100
  • Sub Class 1 : 6.1
  • Chemical Class : 8
  • Packing Group : II
  • UN Number : 1790
Property
Value
particles > 0,5 µm
Max. 250 P/ml
assay
49.8 - 50.2 %
residue on ignition (SO4)
Max. 2 ppm
silver (Ag)
Max. 0.01 ppm
aluminium (Al)
Max. 0.02 ppm
arsenic, antimony (as As)
Max. 0.01 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
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