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Other Etchants

Nitric Acid Etching Mixture (17527)

SEF 835(65)-130-35 Puranal

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Physical Properties

  • Odor
    • Stinging
  • Physical Form
    • Liquid
  • Flashpoint
    • Not applicable
  • Color
    • Colorless
  • pH
    • Acidic
  • Melting Point/Range
    • No data available
  • Boiling Point/Range
    • > 100 °C (1,013 hPa)

Safety Information

  • Ignition Temperature
    • Not applicable
  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Reactions with combustible substances, Glass and silicate-containing materials are attacked, Hydrogen by reaction with metals
  • Thermal Decomposition
    • To avoid thermal decomposition, do not overheat.

International Transportation

  • UN Number
    • 2922
  • Harmonized System Code
    • 38249996
  • Chemical Class
    • 8
  • Packing Group
    • II
  • Sub Class 1
    • 6.1

Physical Properties

  • Odor
    • Stinging
  • Physical Form
    • Liquid
  • Flashpoint
    • Not applicable
  • Color
    • Colorless
  • pH
    • Acidic
  • Melting Point/Range
    • No data available
  • Boiling Point/Range
    • > 100 °C (1,013 hPa)

Safety Information

  • Ignition Temperature
    • Not applicable
  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Reactions with combustible substances, Glass and silicate-containing materials are attacked, Hydrogen by reaction with metals
  • Thermal Decomposition
    • To avoid thermal decomposition, do not overheat.

International Transportation

  • UN Number
    • 2922
  • Harmonized System Code
    • 38249996
  • Chemical Class
    • 8
  • Packing Group
    • II
  • Sub Class 1
    • 6.1
  • Odor : Stinging
  • Physical Form : Liquid
  • Flashpoint : Not applicable
  • Color : Colorless
  • pH : Acidic
  • Melting Point/Range : No data available
  • Boiling Point/Range : > 100 °C (1,013 hPa)
  • Ignition Temperature : Not applicable
  • Corrosivity : Corrosive to metals
  • Incompatible Materials : Reactions with combustible substances, Glass and silicate-containing materials are attacked, Hydrogen by reaction with metals
  • Thermal Decomposition : To avoid thermal decomposition, do not overheat.
  • UN Number : 2922
  • Harmonized System Code : 38249996
  • Chemical Class : 8
  • Packing Group : II
  • Sub Class 1 : 6.1
Property
Value
nitric acid
55.5 - 57.5 %
acetic acid (CH3COOH)
9.1 - 11.1 %
assay hydrofluoric acid (HF)
1.3 - 1.7 %
residue on ignition
Max. 20 ppm
arsenic (As)
Max. 0.1 ppm
copper (Cu)
Max. 0.1 ppm
iron (Fe)
Max. 1 ppm
potassium (K)
Max. 0.1 ppm
sodium (Na)
Max. 0.5 ppm
zinc (Zn)
Max. 0.1 ppm
chloride (Cl)
Max. 5 ppm
phosphate (PO4)
Max. 2 ppm
sulfate (SO4)
Max. 5 ppm