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Buffered Oxide Etchants

Ammonium Fluoride Etching Mixture (17377)

AF 95-5 (20:1) XLSI Puranal

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General Information

  • Grade
    • XLSI

Physical Properties

  • Melting Point/Range
    • No data available
  • Physical Form
    • Liquid
  • pH
    • Acidic
  • Flashpoint
    • Not applicable
  • Color
    • Colorless
  • Odor
    • Odorless
  • Solubility in Water
    • Completely miscible
  • Density
    • 1.110 g/cm3 20 °C
  • Boiling Point/Range
    • 100 °C 1,013 hPa

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Chemical Stability
    • Stable under normal conditions.
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Corrosive in contact with metals, Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked

International Transportation

  • Chemical Class
    • 8
  • Packing Group
    • II
  • Sub Class 1
    • 6.1
  • UN Number
    • 2922
  • Harmonized System Code
    • 38249996

General Information

  • Grade
    • XLSI

Physical Properties

  • Melting Point/Range
    • No data available
  • Physical Form
    • Liquid
  • pH
    • Acidic
  • Flashpoint
    • Not applicable
  • Color
    • Colorless
  • Odor
    • Odorless
  • Solubility in Water
    • Completely miscible
  • Density
    • 1.110 g/cm3 20 °C
  • Boiling Point/Range
    • 100 °C 1,013 hPa

Safety Information

  • Corrosivity
    • Corrosive to metals
  • Chemical Stability
    • Stable under normal conditions.
  • Ignition Temperature
    • Not applicable
  • Incompatible Materials
    • Corrosive in contact with metals, Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked

International Transportation

  • Chemical Class
    • 8
  • Packing Group
    • II
  • Sub Class 1
    • 6.1
  • UN Number
    • 2922
  • Harmonized System Code
    • 38249996
  • Grade : XLSI
  • Melting Point/Range : No data available
  • Physical Form : Liquid
  • pH : Acidic
  • Flashpoint : Not applicable
  • Color : Colorless
  • Odor : Odorless
  • Solubility in Water : Completely miscible
  • Density : 1.110 g/cm3 20 °C
  • Boiling Point/Range : 100 °C 1,013 hPa
  • Corrosivity : Corrosive to metals
  • Chemical Stability : Stable under normal conditions.
  • Ignition Temperature : Not applicable
  • Incompatible Materials : Corrosive in contact with metals, Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked
  • Chemical Class : 8
  • Packing Group : II
  • Sub Class 1 : 6.1
  • UN Number : 2922
  • Harmonized System Code : 38249996
Property
Value
particles > 0,5 µm
Max. 50 P/ml
ammonium fluoride (NH4F)
37.5 - 38.5 %
assay hydrofluoric acid (HF)
2.40 - 2.60 %
silver (Ag)
Max. 0.1 ppb
aluminium (Al)
Max. 0.1 ppb
gold (Au)
Max. 0.1 ppb
arsenic (As)
Max. 0.1 ppb
barium (Ba)
Max. 0.1 ppb
bismuth (Bi)
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
indium (In)
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
molybdenum (Mo)
Max. 0.1 ppb
sodium (Na)
Max. 0.1 ppb
nickel (Ni)
Max. 0.1 ppb
lead (Pb)
Max. 0.1 ppb
platinum (Pt)
Max. 0.1 ppb
antimony (Sb)
Max. 0.1 ppb
tin (Sn)
Max. 0.1 ppb
strontium (Sr)
Max. 0.1 ppb
titanium (Ti)
Max. 0.1 ppb
thallium (Tl)
Max. 0.1 ppb
zinc (Zn)
Max. 0.1 ppb
chloride (Cl)
Max. 4 ppm
phosphate (PO4)
Max. 0.2 ppm
sulfate (SO4)
Max. 2 ppm