https://industrial.honeywell.com/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

Mixed Acid Etchant (21332)

AF 990-10 ULSI

General Information

  • Grade
    • ULSI

Physical Properties

  • Boiling Point/Range
    • 100 °C
  • Color
    • Colorless
  • Density
    • 1.1100 g/cm3
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • No data available
  • Odor
    • Weak
  • Physical Form
    • Liquid
  • Solubility
    • Completely miscible

Safety Information

  • Chemical Stability
    • Stable under normal conditions.
  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal

International Transportation

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

General Information

  • Grade
    • ULSI

Physical Properties

  • Boiling Point/Range
    • 100 °C
  • Color
    • Colorless
  • Density
    • 1.1100 g/cm3
  • Flashpoint
    • Not applicable
  • Melting Point/Range
    • No data available
  • Odor
    • Weak
  • Physical Form
    • Liquid
  • Solubility
    • Completely miscible

Safety Information

  • Chemical Stability
    • Stable under normal conditions.
  • Corrosivity
    • Corrosive to metals
  • Incompatible Materials
    • Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal

International Transportation

  • Chemical Class
    • 8
  • Harmonized System Code
    • 38249996
  • Packing Group
    • II
  • Sub Class 1
    • 6.1
  • UN Number
    • 2922
  • Grade : ULSI
  • Melting Point/Range : No data available
  • Boiling Point/Range : 100 °C
  • Solubility : Completely miscible
  • Color : Colorless
  • Physical Form : Liquid
  • Flashpoint : Not applicable
  • Density : 1.1100 g/cm3
  • Odor : Weak
  • Incompatible Materials : Glass and silicate-containing materials are attacked, Contact with strong acids liberates hydrogen fluoride, Corrosive in contact with metal
  • Corrosivity : Corrosive to metals
  • Chemical Stability : Stable under normal conditions.
  • Sub Class 1 : 6.1
  • Chemical Class : 8
  • UN Number : 2922
  • Harmonized System Code : 38249996
  • Packing Group : II
Property
Value
ammonium fluoride (NH4F)
39.1 - 40.1 %
assay hydrofluoric acid (HF)
0.44 - 0.54 %
silver (Ag)
Max. 2 ppb
aluminium (Al)
Max. 10 ppb
gold (Au)
Max. 2 ppb
calcium (Ca)
Max. 10 ppb
chromium (Cr)
Max. 5 ppb
copper (Cu)
Max. 5 ppb
iron (Fe)
Max. 10 ppb
potassium (K)
Max. 10 ppb
lithium (Li)
Max. 2 ppb
magnesium (Mg)
Max. 10 ppb
sodium (Na)
Max. 10 ppb
nickel (Ni)
Max. 10 ppb
zinc (Zn)
Max. 5 ppb