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Metal Etchants

Phosphoric Acid Etching Mixture (17531)

PWS 80-16-4(65) Puranal (Nickel-ALU Etch)

Overview
Specifications

General Information

  • CAS Number
    • 7664-38-2
  • Grade
    • SemEG
  • Synonyms
    • Etchant

Physical Properties

  • Boiling Point/Range
    • > 100 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 1.580 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • No data available
  • Odor
    • Stinging
  • Partition Coefficient
    • No data available
  • pH
    • -0.5
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • similar to water hectopascal

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Evaporation Rate
    • No data available
  • Flammability
    • Not applicable
  • Flammable Gas Formation
    • Gives off hydrogen by reaction with metals.
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Reactions with various metals, Reactions with strong alkalies
  • 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

  • CAS Number
    • 7664-38-2
  • Grade
    • SemEG
  • Synonyms
    • Etchant

Physical Properties

  • Boiling Point/Range
    • > 100 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 1.580 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • No data available
  • Odor
    • Stinging
  • Partition Coefficient
    • No data available
  • pH
    • -0.5
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • similar to water hectopascal

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Evaporation Rate
    • No data available
  • Flammability
    • Not applicable
  • Flammable Gas Formation
    • Gives off hydrogen by reaction with metals.
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Reactions with various metals, Reactions with strong alkalies
  • 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
  • Synonyms : Etchant
  • CAS Number : 7664-38-2
  • Boiling Point/Range : > 100 °C (1,013 hPa)
  • Flashpoint : Not applicable
  • Physical Form : Liquid
  • Density : 1.580 g/cm3 (20 °C)
  • Vapor Pressure : similar to water hectopascal
  • Solubility in Water : Completely miscible
  • Partition Coefficient : No data available
  • pH : -0.5
  • Melting Point/Range : No data available
  • Color : Colorless
  • Odor : Stinging
  • Corrosivity : Corrosive to metals
  • Thermal Decomposition : No decomposition if used as directed.
  • Self Ignition : Not auto-flammable
  • Flammable Gas Formation : Gives off hydrogen by reaction with metals.
  • Evaporation Rate : No data available
  • Ignition Temperature : Not applicable
  • Incompatible Materials : Reactions with various metals, Reactions with strong alkalies
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Flammability : Not applicable
  • Packing Group : II
  • Harmonized System Code : 38249996
  • UN Number : 3264
  • Chemical Class : 8