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Buffered Oxide Etchants

Ammonium Fluoride Etching Mixture (17375)

AF 986-14 (70:1) LST, SLSI Puranal

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General Information

  • CAS Number
    • 12125-01-8

Physical Properties

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

Safety Information

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

International Transportation

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

General Information

  • CAS Number
    • 12125-01-8

Physical Properties

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

Safety Information

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

International Transportation

  • Sub Class 1
    • 6.1
  • Packing Group
    • II
  • Chemical Class
    • 8
  • UN Number
    • 2922
  • Harmonized System Code
    • 38249996
  • CAS Number : 12125-01-8
  • Vapor Pressure : similar to water
  • Odor : Stinging
  • Boiling Point/Range : 100 °C
  • Partition Coefficient : No data available
  • Flashpoint : Not applicable
  • Melting Point/Range : No data available
  • Physical Form : Liquid
  • pH : Acidic
  • Color : Colorless
  • Corrosivity : Corrosive to metals
  • Flammability : Not applicable
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • Ignition Temperature : Not applicable
  • Thermal Decomposition : No decomposition if used as directed.
  • Chemical Stability : Stable under normal conditions.
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Self Ignition : Not auto-flammable
  • Sub Class 1 : 6.1
  • Packing Group : II
  • Chemical Class : 8
  • UN Number : 2922
  • Harmonized System Code : 38249996
Property
Value
particles > 0,5 µm
Max. 100 P/ml
ammonium fluoride (NH4F)
38.5 - 39.5 %
assay hydrofluoric acid (HF)
0.70 - 0.80 %
surface tension
Max. 30 mN/m
silver (Ag)
Max. 1 ppb
aluminium (Al)
Max. 1 ppb
arsenic (As)
Max. 1 ppb
gold (Au)
Max. 1 ppb
boron (B)
Max. 1 ppb
barium (Ba)
Max. 1 ppb
beryllium (Be)
Max. 1 ppb
bismuth (Bi)
Max. 1 ppb
calcium (Ca)
Max. 1 ppb
cadmium (Cd)
Max. 1 ppb
cobalt (Co)
Max. 1 ppb
chromium (Cr)
Max. 1 ppb
iron (Fe)
Max. 1 ppb
gallium (Ga)
Max. 1 ppb
germanium (Ge)
Max. 1 ppb
indium (In)
Max. 1 ppb
copper (Cu)
Max. 1 ppb
potassium (K)
Max. 1 ppb
lithium (Li)
Max. 1 ppb
magnesium (Mg)
Max. 1 ppb
manganese (Mn)
Max. 1 ppb
molybdenum (Mo)
Max. 1 ppb
sodium (Na)
Max. 1 ppb
nickel (Ni)
Max. 1 ppb
lead (Pb)
Max. 1 ppb
platinum (Pt)
Max. 1 ppb
antimony (Sb)
Max. 1 ppb
tin (Sn)
Max. 1 ppb
tantalum (Ta)
Max. 1 ppb
titanium (Ti)
Max. 1 ppb
zinc (Zn)
Max. 1 ppb
chloride (Cl)
Max. 2 ppm
nitrate (NO3)
Max. 2 ppm
sulfate (SO4)
Max. 2 ppm
phosphate (PO4)
Max. 0.5 ppm