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Fluorides

Hexafluorosilicic acid (01301)

technical, non-chromium surface passivation, assay 33.5 - 35%

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Hexafluorosilicic acid is an active component in thin-film coatings; for non-chromium surface passivation, assay 33.5 - 35%

General Information

  • CAS Number
    • 16961-83-4
  • Application
    • Industrial

Physical Properties

  • Odor
    • Stinging
  • pH
    • Acidic
  • Physical Form
    • Crystalline powder
  • Color
    • Colorless
  • Melting Point/Range
    • No data available
  • Vapor Pressure
    • similar to water
  • Boiling Point/Range
    • 108 °C (958 hPa)

Safety Information

  • Incompatible Materials
    • Corrosive in contact with metals, Glass and silicate-containing materials are attacked
  • Chemical Stability
    • Stable under normal conditions.
  • Self Ignition
    • Not auto-flammable
  • Corrosivity
    • Corrosive to metals
  • Flammability
    • Not applicable

International Transportation

  • Harmonized System Code
    • 2811196190
  • UN Number
    • 1778
  • Packing Group
    • II
  • Chemical Class
    • 8

General Information

  • CAS Number
    • 16961-83-4
  • Application
    • Industrial

Physical Properties

  • Odor
    • Stinging
  • pH
    • Acidic
  • Physical Form
    • Crystalline powder
  • Color
    • Colorless
  • Melting Point/Range
    • No data available
  • Vapor Pressure
    • similar to water
  • Boiling Point/Range
    • 108 °C (958 hPa)

Safety Information

  • Incompatible Materials
    • Corrosive in contact with metals, Glass and silicate-containing materials are attacked
  • Chemical Stability
    • Stable under normal conditions.
  • Self Ignition
    • Not auto-flammable
  • Corrosivity
    • Corrosive to metals
  • Flammability
    • Not applicable

International Transportation

  • Harmonized System Code
    • 2811196190
  • UN Number
    • 1778
  • Packing Group
    • II
  • Chemical Class
    • 8
  • CAS Number : 16961-83-4
  • Application : Industrial
  • Odor : Stinging
  • pH : Acidic
  • Physical Form : Crystalline powder
  • Color : Colorless
  • Melting Point/Range : No data available
  • Vapor Pressure : similar to water
  • Boiling Point/Range : 108 °C (958 hPa)
  • Incompatible Materials : Corrosive in contact with metals, Glass and silicate-containing materials are attacked
  • Chemical Stability : Stable under normal conditions.
  • Self Ignition : Not auto-flammable
  • Corrosivity : Corrosive to metals
  • Flammability : Not applicable
  • Harmonized System Code : 2811196190
  • UN Number : 1778
  • Packing Group : II
  • Chemical Class : 8
Property
Value
assay
33.5 - 35 %
density (D 20)
effective g/ml
iron (Fe)
Max. 0.03 %
heavy metals (as Pb)
Max. 0.005 %
chloride (Cl)
Max. 1 %
sulfate (SO4)
Max. 1 %