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Buffered Oxide Etchants

Ammonium Fluoride Etching Mixture (17305)

AF 30/6 XLSI Puranal

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Physical Properties

  • Partition Coefficient
    • No data available
  • Flashpoint
    • Not applicable
  • Vapor Pressure
    • similar to water
  • Melting Point/Range
    • No data available
  • Odor
    • Odorless
  • Boiling Point/Range
    • > 100 °C (1,013 hPa)
  • Physical Form
    • Liquid
  • pH
    • Acidic
  • Color
    • Colorless

Safety Information

  • Thermal Decomposition
    • No decomposition if used as directed.
  • Chemical Stability
    • Stable under normal conditions.
  • Corrosivity
    • Corrosive to metals
  • Flammability
    • Not applicable
  • Ignition Temperature
    • Not applicable
  • Self Ignition
    • Not auto-flammable
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.

International Transportation

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

Physical Properties

  • Partition Coefficient
    • No data available
  • Flashpoint
    • Not applicable
  • Vapor Pressure
    • similar to water
  • Melting Point/Range
    • No data available
  • Odor
    • Odorless
  • Boiling Point/Range
    • > 100 °C (1,013 hPa)
  • Physical Form
    • Liquid
  • pH
    • Acidic
  • Color
    • Colorless

Safety Information

  • Thermal Decomposition
    • No decomposition if used as directed.
  • Chemical Stability
    • Stable under normal conditions.
  • Corrosivity
    • Corrosive to metals
  • Flammability
    • Not applicable
  • Ignition Temperature
    • Not applicable
  • Self Ignition
    • Not auto-flammable
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.

International Transportation

  • Packing Group
    • II
  • Chemical Class
    • 8
  • Harmonized System Code
    • 38249996
  • UN Number
    • 3264
  • Partition Coefficient : No data available
  • Flashpoint : Not applicable
  • Vapor Pressure : similar to water
  • Melting Point/Range : No data available
  • Odor : Odorless
  • Boiling Point/Range : > 100 °C (1,013 hPa)
  • Physical Form : Liquid
  • pH : Acidic
  • Color : Colorless
  • Thermal Decomposition : No decomposition if used as directed.
  • Chemical Stability : Stable under normal conditions.
  • Corrosivity : Corrosive to metals
  • Flammability : Not applicable
  • Ignition Temperature : Not applicable
  • Self Ignition : Not auto-flammable
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Packing Group : II
  • Chemical Class : 8
  • Harmonized System Code : 38249996
  • UN Number : 3264
Property
Value
particles > 0,5 µm
Max. 30 P/ml
ammonium fluoride (NH4F)
29.7 - 30.3 %
hydrofluoric acid (HF)
5.8 - 6.1 %
silver (Ag)
Max. 1.0 ppb
aluminium (Al)
Max. 1.0 ppb
arsenic (As)
Max. 1.0 ppb
gold (Au)
Max. 1.0 ppb
boron (B)
Max. 1.0 ppb
barium (Ba)
Max. 1.0 ppb
beryllium (Be)
Max. 1.0 ppb
bismuth (Bi)
Max. 1.0 ppb
calcium (Ca)
Max. 1.0 ppb
cadmium (Cd)
Max. 1.0 ppb
cobalt (Co)
Max. 1.0 ppb
chromium (Cr)
Max. 1.0 ppb
copper (Cu)
Max. 1.0 ppb
iron (Fe)
Max. 1.0 ppb
gallium (Ga)
Max. 1.0 ppb
germanium (Ge)
Max. 1.0 ppb
potassium (K)
Max. 1.0 ppb
lithium (Li)
Max. 1.0 ppb
magnesium (Mg)
Max. 1.0 ppb
manganese (Mn)
Max. 1.0 ppb
molybdenum (Mo)
Max. 1.0 ppb
sodium (Na)
Max. 1.0 ppb
niobium (Nb)
Max. 1.0 ppb
nickel (Ni)
Max. 1.0 ppb
lead (Pb)
Max. 1.0 ppb
antimony (Sb)
Max. 1.0 ppb
tin (Sn)
Max. 1.0 ppb
strontium (Sr)
Max. 1.0 ppb
tantalum (Ta)
Max. 1.0 ppb
titanium (Ti)
Max. 1.0 ppb
thallium (Tl)
Max. 1.0 ppb
vanadium (V)
Max. 1.0 ppb
zinc (Zn)
Max. 1.0 ppb
chloride (Cl)
Max. 10 ppb
nitrate (NO3)
Max. 10 ppb
phosphate (PO4)
Max. 10 ppb
sulfate (SO4)
Max. 20 ppb