/content/industrial/us/en/search-results.html
Outage Notification: This website will undergo a planned maintenance outage on Saturday, June 5, from 12:30-2:30 p.m. EDT (6:30-8:30 p.m. UDT). We regret any inconvenience this may cause.

Buffered Oxide Etchants

Ammonium Fluoride Etching Mixture (17269)

AF 876-124 (7.2:1) LST VLSI Puranal

Request Free Samples

Physical Properties

  • Boiling Point/Range
    • 100 °C
  • Odor
    • Weak
  • Physical Form
    • Liquid, Clear
  • Melting Point/Range
    • No data available
  • Color
    • Colorless
  • Partition Coefficient
    • No data available
  • Flashpoint
    • Does not flash
  • pH
    • Acidic
  • Vapor Pressure
    • similar to water

Safety Information

  • 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
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Flammability
    • Not applicable
  • Self Ignition
    • Not auto-flammable
  • Corrosivity
    • Corrosive to metals

International Transportation

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

Physical Properties

  • Boiling Point/Range
    • 100 °C
  • Odor
    • Weak
  • Physical Form
    • Liquid, Clear
  • Melting Point/Range
    • No data available
  • Color
    • Colorless
  • Partition Coefficient
    • No data available
  • Flashpoint
    • Does not flash
  • pH
    • Acidic
  • Vapor Pressure
    • similar to water

Safety Information

  • 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
  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Chemical Stability
    • Stable under normal conditions.
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Flammability
    • Not applicable
  • Self Ignition
    • Not auto-flammable
  • Corrosivity
    • Corrosive to metals

International Transportation

  • UN Number
    • 3264
  • Chemical Class
    • 8
  • Packing Group
    • II
  • Harmonized System Code
    • 38249996
  • Boiling Point/Range : 100 °C
  • Odor : Weak
  • Physical Form : Liquid, Clear
  • Melting Point/Range : No data available
  • Color : Colorless
  • Partition Coefficient : No data available
  • Flashpoint : Does not flash
  • pH : Acidic
  • Vapor Pressure : similar to water
  • 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
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Chemical Stability : Stable under normal conditions.
  • Thermal Decomposition : No decomposition if used as directed.
  • Flammability : Not applicable
  • Self Ignition : Not auto-flammable
  • Corrosivity : Corrosive to metals
  • UN Number : 3264
  • Chemical Class : 8
  • Packing Group : II
  • Harmonized System Code : 38249996
Property
Value
particles > 0,5 µm
Max. 250 P/ml
particles > 5 µm
Max. 2 P/ml
surface tension
30 - 33 mN/m
ammonium fluoride (NH4F)
34.7 - 35.3 %
assay hydrofluoric acid (HF)
6.1 - 6.3 %
silver (Ag)
Max. 0.01 ppm
aluminium (Al)
Max. 0.05 ppm
arsenic (As)
Max. 0.03 ppm
gold (Au)
Max. 0.02 ppm
boron (B)
Max. 0.05 ppm
barium (Ba)
Max. 0.01 ppm
beryllium (Be)
Max. 0.01 ppm
bismuth (Bi)
Max. 0.02 ppm
calcium (Ca)
Max. 0.1 ppm
cadmium (Cd)
Max. 0.01 ppm
cobalt (Co)
Max. 0.01 ppm
chromium (Cr)
Max. 0.01 ppm
copper (Cu)
Max. 0.01 ppm
iron (Fe)
Max. 0.05 ppm
gallium (Ga)
Max. 0.01 ppm
germanium (Ge)
Max. 0.05 ppm
indium (In)
Max. 0.01 ppm
potassium (K)
Max. 0.05 ppm
lithium (Li)
Max. 0.01 ppm
magnesium (Mg)
Max. 0.05 ppm
manganese (Mn)
Max. 0.01 ppm
molybdenum (Mo)
Max. 0.01 ppm
sodium (Na)
Max. 0.1 ppm
nickel (Ni)
Max. 0.01 ppm
lead (Pb)
Max. 0.01 ppm
platinum (Pt)
Max. 0.05 ppm
silicon (Si)
Max. 200 ppm
tin (Sn)
Max. 0.02 ppm
strontium (Sr)
Max. 0.01 ppm
titanium (Ti)
Max. 0.01 ppm
thallium (Tl)
Max. 0.02 ppm
vanadium (V)
Max. 0.01 ppm
zinc (Zn)
Max. 0.05 ppm
zirconium (Zr)
Max. 0.01 ppm
chloride (Cl)
Max. 2 ppm
nitrate (NO3)
Max. 10 ppm
phosphate (PO4)
Max. 0.2 ppm
sulfate (SO4)
Max. 2 ppm