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Hydrofluoric Acid

Hydrofluoric Acid (17912)

50%, Puranal

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General Information

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

Physical Properties

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

Safety Information

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

International Transportation

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

General Information

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

Physical Properties

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

Safety Information

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

International Transportation

  • Harmonized System Code
    • 28111100
  • UN Number
    • 1790
  • Chemical Class
    • 8
  • Packing Group
    • II
  • Sub Class 1
    • 6.1
  • Grade : SemEG
  • CAS Number : 7664-39-3
  • Vapor Pressure : 101 hPa 50 °C
  • Flashpoint : Not applicable
  • Melting Point/Range : -35 °C
  • Color : Colorless
  • Odor : Stinging
  • Boiling Point/Range : 105 °C 1,013 hPa
  • Physical Form : Liquid
  • pH : Acidic
  • Density : 1.170 g/cm3 20 °C
  • Solubility in Water : Completely miscible
  • Partition Coefficient : No data available
  • Corrosivity : Corrosive to metals
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
  • Flammable Gas Formation : The substance or mixture does not emit flammable gases in contact with water.
  • Ignition Temperature : Not applicable
  • Self Ignition : Not auto-flammable
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Thermal Decomposition : No decomposition if used as directed.
  • Flammability : Not applicable
  • Chemical Stability : Stable under normal conditions.
  • Harmonized System Code : 28111100
  • UN Number : 1790
  • Chemical Class : 8
  • Packing Group : II
  • Sub Class 1 : 6.1
Property
Value
assay
49.5 - 50.5 %
residue on ignition (SO4)
Max. 5 ppm
silver (Ag)
Max. 0.02 ppm
aluminium (Al)
Max. 0.05 ppm
arsenic (As)
Max. 0.05 ppm
gold (Au)
Max. 0.02 ppm
boron (B)
Max. 0.05 ppm
barium (Ba)
Max. 0.1 ppm
beryllium (Be)
Max. 0.01 ppm
bismuth (Bi)
Max. 0.02 ppm
calcium (Ca)
Max. 0.5 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. 0.1 ppm
gallium (Ga)
Max. 0.02 ppm
indium (In)
Max. 0.02 ppm
potassium (K)
Max. 0.1 ppm
lithium (Li)
Max. 0.02 ppm
magnesium (Mg)
Max. 0.1 ppm
manganese (Mn)
Max. 0.01 ppm
molybdenum (Mo)
Max. 0.01 ppm
sodium (Na)
Max. 0.2 ppm
nickel (Ni)
Max. 0.01 ppm
lead (Pb)
Max. 0.02 ppm
platinum (Pt)
Max. 0.02 ppm
antimony (Sb)
Max. 0.01 ppm
tin (Sn)
Max. 0.02 ppm
strontium (Sr)
Max. 0.02 ppm
titanium (Ti)
Max. 0.1 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. 5 ppm
hexafluorosilic acid(H2SiF6)
Max. 50 ppm
nitrate (NO3)
Max. 3 ppm
phosphate (PO4)
Max. 0.5 ppm
sulfate (SO4)
Max. 1 ppm
sulfite (SO3)
Max. 2 ppm