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Buffered Oxide Etchants

Ammonium Fluoride Etching Mixture (17319)

AWF 56-933-11 XLSI Puranal

Overview
Specifications

General Information

  • CAS Number
    • 7664-39-3
  • Concentration
    • >= 25 % to < 50 %
  • EC Number
    • 231-634-8
  • Grade
    • XLSI
  • Synonyms
    • Ammonium fluorure
    • Etchant

Physical Properties

  • Boiling Point/Range
    • 100 °C (1,000 hPa)
  • Chemical Composition
    • Hydrogen fluoride
  • Color
    • Colorless
  • Density
    • 1,008 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • -40 °C
  • Odor
    • Odorless
  • Partition Coefficient
    • No data available
  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely soluble
  • Vapor Pressure
    • 75 hPa (50 °C) hectopascal

Safety Information

  • Chemical Stability
    • Stable under normal conditions.
  • Corrosivity
    • Corrosive to metals
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • 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
    • 7664-39-3
  • Concentration
    • >= 25 % to < 50 %
  • EC Number
    • 231-634-8
  • Grade
    • XLSI
  • Synonyms
    • Ammonium fluorure
    • Etchant

Physical Properties

  • Boiling Point/Range
    • 100 °C (1,000 hPa)
  • Chemical Composition
    • Hydrogen fluoride
  • Color
    • Colorless
  • Density
    • 1,008 g/cm3 (20 °C)
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • -40 °C
  • Odor
    • Odorless
  • Partition Coefficient
    • No data available
  • pH
    • Acidic
  • Physical Form
    • Liquid
  • Solubility in Water
    • Completely soluble
  • Vapor Pressure
    • 75 hPa (50 °C) hectopascal

Safety Information

  • Chemical Stability
    • Stable under normal conditions.
  • Corrosivity
    • Corrosive to metals
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • Thermal Decomposition
    • No decomposition if used as directed

International Transportation

  • Chemical Class
    • 8
  • Harmonized System Code
    • 38249996
  • Packing Group
    • II
  • UN Number
    • 3264
  • EC Number : 231-634-8
  • Synonyms : Ammonium fluorure|Etchant
  • CAS Number : 7664-39-3
  • Grade : XLSI
  • Density : 1,008 g/cm3 (20 °C)
  • Vapor Pressure : 75 hPa (50 °C) hectopascal
  • Solubility in Water : Completely soluble
  • Color : Colorless
  • Physical Form : Liquid
  • Chemical Composition : Hydrogen fluoride
  • pH : Acidic
  • Odor : Odorless
  • Flashpoint : Not applicable
  • Boiling Point/Range : 100 °C (1,000 hPa)
  • Melting Point/Range : -40 °C
  • Partition Coefficient : No data available
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • Corrosivity : Corrosive to metals
  • Chemical Stability : Stable under normal conditions.
  • Thermal Decomposition : No decomposition if used as directed
  • Ignition Temperature : Not applicable
  • Chemical Class : 8
  • Packing Group : II
  • Harmonized System Code : 38249996
  • UN Number : 3264
  • Concentration : >= 25 % to < 50 %