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Metal Etchants

Phosphoric Acid Etching Mixture (17956)

PES 77-19-4 Puranal

General Information

  • Grade
    • SemEG

Physical Properties

  • Boiling Point/Range
    • > 100 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 1.57 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • No data available
  • Odor
    • Stinging
  • Partition Coefficient
    • Not applicable
  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • No data available

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Flammability
    • Not applicable
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Corrosive in contact with metals
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Self Ignition
    • Not auto-flammable
  • Thermal Decomposition
    • No decomposition if used as directed.

International Transportation

  • Chemical Class
    • 8
  • Harmonized System Code
    • 38249996
  • Packing Group
    • II
  • UN Number
    • 3264

General Information

  • Grade
    • SemEG

Physical Properties

  • Boiling Point/Range
    • > 100 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 1.57 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • No data available
  • Odor
    • Stinging
  • Partition Coefficient
    • Not applicable
  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • No data available

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Flammability
    • Not applicable
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Corrosive in contact with metals
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Self Ignition
    • Not auto-flammable
  • Thermal Decomposition
    • No decomposition if used as directed.

International Transportation

  • Chemical Class
    • 8
  • Harmonized System Code
    • 38249996
  • Packing Group
    • II
  • UN Number
    • 3264
  • Grade : SemEG
  • Partition Coefficient : Not applicable
  • Melting Point/Range : No data available
  • Solubility in Water : Completely miscible
  • Boiling Point/Range : > 100 °C (1,013 hPa)
  • Color : Colorless
  • Physical Form : Liquid
  • Flashpoint : Not applicable
  • Density : 1.57 g/cm3 (20 °C)
  • Vapor Pressure : No data available
  • pH : Acidic
  • Odor : Stinging
  • Thermal Decomposition : No decomposition if used as directed.
  • Ignition Temperature : Not applicable
  • Self Ignition : Not auto-flammable
  • Incompatible Materials : Corrosive in contact with metals
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Corrosivity : Corrosive to metals
  • Flammability : Not applicable
  • UN Number : 3264
  • Chemical Class : 8
  • Harmonized System Code : 38249996
  • Packing Group : II
Property
Value
assay of phosphoric acid (H3PO4)
70.1 - 72.1 %
acetic acid (CH3COOH)
12.3 - 13.3 %
nitric acid
2.0 - 3.0 %
arsenic (As)
Max. 0.5 ppm
calcium (Ca)
Max. 20 ppm
cadmium (Cd)
Max. 5 ppm
cobalt (Co)
Max. 5 ppm
copper (Cu)
Max. 5 ppm
iron (Fe)
Max. 10 ppm
potassium (K)
Max. 5 ppm
magnesium (Mg)
Max. 10 ppm
manganese (Mn)
Max. 5 ppm
sodium (Na)
Max. 10 ppm
nickel (Ni)
Max. 5 ppm
lead (Pb)
Max. 5 ppm
zinc (Zn)
Max. 10 ppm
chloride (Cl)
Max. 1 ppm
sulfate (SO4)
Max. 30 ppm