Buffered Oxide Etchants
Ammonium Fluoride Etching Mixture (17364)
AWF 820-101-79 LST, Puranal (Window Etch with Surfactant)
Overview
Specifications
General Information
- Grade
- SemEG
- CAS Number
- 12125-01-8
Physical Properties
- Flashpoint
- Not applicable
- Physical Form
- Liquid
- Odor
- Odorless
- Color
- Colorless
- Boiling Point/Range
- 100 °C (1,013 hPa)
- Density
- 1.10 g/cm3 (20 °C)
- Melting Point/Range
- No data available
- pH
- Acidic
Safety Information
- Incompatible Materials
- Corrosive in contact with metals, Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked
- Corrosivity
- Corrosive to metals
- Thermal Decomposition
- No decomposition if used as directed.
- Ignition Temperature
- Not applicable
- Chemical Stability
- Stable under normal conditions.
International Transportation
- Chemical Class
- 8
- Packing Group
- II
- UN Number
- 3264
- Harmonized System Code
- 38249996
General Information
- Grade
- SemEG
- CAS Number
- 12125-01-8
Physical Properties
- Flashpoint
- Not applicable
- Physical Form
- Liquid
- Odor
- Odorless
- Color
- Colorless
- Boiling Point/Range
- 100 °C (1,013 hPa)
- Density
- 1.10 g/cm3 (20 °C)
- Melting Point/Range
- No data available
- pH
- Acidic
Safety Information
- Incompatible Materials
- Corrosive in contact with metals, Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked
- Corrosivity
- Corrosive to metals
- Thermal Decomposition
- No decomposition if used as directed.
- Ignition Temperature
- Not applicable
- Chemical Stability
- Stable under normal conditions.
International Transportation
- Chemical Class
- 8
- Packing Group
- II
- UN Number
- 3264
- Harmonized System Code
- 38249996
- Grade : SemEG
- CAS Number : 12125-01-8
- Flashpoint : Not applicable
- Physical Form : Liquid
- Odor : Odorless
- Color : Colorless
- Boiling Point/Range : 100 °C (1,013 hPa)
- Density : 1.10 g/cm3 (20 °C)
- Melting Point/Range : No data available
- pH : Acidic
- Incompatible Materials : Corrosive in contact with metals, Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked
- Corrosivity : Corrosive to metals
- Thermal Decomposition : No decomposition if used as directed.
- Ignition Temperature : Not applicable
- Chemical Stability : Stable under normal conditions.
- Chemical Class : 8
- Packing Group : II
- UN Number : 3264
- Harmonized System Code : 38249996
Property
Value
assay hydrofluoric acid (HF)
4.05 - 4.25 %
assay of NH4F
32.5 - 33.5 %
surface tension
20 - 40 mN/m
residue on ignition (SO4)
Max. 10 ppm
silver (Ag)
Max. 20 ppb
aluminium (Al)
Max. 50 ppb
arsenic, antimony (as As)
Max. 10 ppb
gold (Au)
Max. 5 ppb
boron (B)
Max. 50 ppb
barium (Ba)
Max. 10 ppb
beryllium (Be)
Max. 10 ppb
bismuth (Bi)
Max. 20 ppb
calcium (Ca)
Max. 100 ppb
cadmium (Cd)
Max. 10 ppb
cobalt (Co)
Max. 10 ppb
chromium (Cr)
Max. 10 ppb
copper (Cu)
Max. 10 ppb
iron (Fe)
Max. 20 ppb
gallium (Ga)
Max. 10 ppb
indium (In)
Max. 10 ppb
potassium (K)
Max. 50 ppb
lithium (Li)
Max. 10 ppb
magnesium (Mg)
Max. 50 ppb
manganese (Mn)
Max. 10 ppb
molybdenum (Mo)
Max. 10 ppb
sodium (Na)
Max. 25 ppb
nickel (Ni)
Max. 10 ppb
lead (Pb)
Max. 5 ppb
platinum (Pt)
Max. 50 ppb
tin (Sn)
Max. 20 ppb
strontium (Sr)
Max. 10 ppb
titanium (Ti)
Max. 10 ppb
thallium (Tl)
Max. 20 ppb
vanadium (V)
Max. 10 ppb
zinc (Zn)
Max. 35 ppb
zirconium (Zr)
Max. 10 ppb
chloride (Cl)
Max. 2.0 ppm
phosphate (PO4)
Max. 0.50 ppm
sulfate (SO4)
Max. 2.0 ppm
