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Buffered Oxide Etchants

Ammonium Fluoride Etching Mixture (17268)

AWF 40-956-4, XLSI Puranal

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Physical Properties

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

Safety Information

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

International Transportation

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

Physical Properties

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

Safety Information

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

International Transportation

  • Chemical Class
    • 8
  • Packing Group
    • III
  • UN Number
    • 3264
  • Harmonized System Code
    • 38249996
  • Melting Point/Range : No data available
  • Physical Form : Liquid
  • Vapor Pressure : similar to water
  • Partition Coefficient : No data available
  • Color : Colorless
  • Flashpoint : Not applicable
  • pH : Acidic
  • Odor : Odorless
  • Boiling Point/Range : 100 °C
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Flammability : Not applicable
  • Corrosivity : Corrosive to metals
  • Self Ignition : Not auto-flammable
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride
  • Ignition Temperature : Not applicable
  • Thermal Decomposition : No decomposition if used as directed.
  • Chemical Class : 8
  • Packing Group : III
  • UN Number : 3264
  • Harmonized System Code : 38249996
Property
Value
particles > 0,5 µm
Max. 25 P/ml
assay NH4F 1st cont.(POS1)
1.50 - 2.00 %
assay HF 1st cont.(POS1)
0.210 - 0.250 %
ICP-MS met. 1st cont.(POS1)
complying
silver (Ag)
Max. 0.1 ppb
aluminium (Al)
Max. 0.1 ppb
gold (Au)
Max. 0.1 ppb
boron (B)
Max. 0.1 ppb
barium (Ba)
Max. 0.1 ppb
calcium (Ca)
Max. 0.1 ppb
cadmium (Cd)
Max. 0.1 ppb
cobalt (Co)
Max. 0.1 ppb
chromium (Cr)
Max. 0.1 ppb
copper (Cu)
Max. 0.1 ppb
iron (Fe)
Max. 0.1 ppb
gallium (Ga)
Max. 0.1 ppb
germanium (Ge)
Max. 0.1 ppb
potassium (K)
Max. 0.1 ppb
lithium (Li)
Max. 0.1 ppb
magnesium (Mg)
Max. 0.1 ppb
manganese (Mn)
Max. 0.1 ppb
sodium (Na)
Max. 0.1 ppb
nickel (Ni)
Max. 0.1 ppb
lead (Pb)
Max. 0.1 ppb
tin (Sn)
Max. 0.1 ppb
strontium (Sr)
Max. 0.1 ppb
titanium (Ti)
Max. 0.1 ppb
zinc (Zn)
Max. 0.1 ppb
chloride (Cl)
Max. 0.01 ppm
phosphate (PO4)
Max. 0.01 ppm
sulfate (SO4)
Max. 0.01 ppm
APHA
Max. 10