Fluorides
Hydrofluoric acid (01063)
technical, fluoride source, assay 20 - 22%
Overview
Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. Solutions of HF are colourless, acidic and highly corrosive. It is used to make most fluorine-containing compounds It is commonly used to etch glass and steel / iron
Specifications
General Information
- Linear Formula
- HF
- CAS Number
- 7664-39-3
- Grade
- Technical
Physical Properties
- Density
- 1.060 g/cm3 (20 °C)
- Color
- Colorless
- Physical Form
- Crystalline powder
- Melting Point/Range
- -30 °C
- Vapor Pressure
- No data available hectopascal
- Odor
- Stinging
- Boiling Point/Range
- 108 °C (1,013 hPa)
- pH
- Acidic
Safety Information
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
- Corrosivity
- Corrosive to metals
- Chemical Stability
- Stable under normal conditions.
- Incompatible Materials
- HF contact with glass, concrete and other silicon bearing materials will yield silicon tetrafluoride, Glass and silicate-containing materials
International Transportation
- Packing Group
- II
- Harmonized System Code
- 28111100
- Chemical Class
- 8
- Sub Class 1
- 6.1
- UN Number
- 1790
General Information
- Linear Formula
- HF
- CAS Number
- 7664-39-3
- Grade
- Technical
Physical Properties
- Density
- 1.060 g/cm3 (20 °C)
- Color
- Colorless
- Physical Form
- Crystalline powder
- Melting Point/Range
- -30 °C
- Vapor Pressure
- No data available hectopascal
- Odor
- Stinging
- Boiling Point/Range
- 108 °C (1,013 hPa)
- pH
- Acidic
Safety Information
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
- Corrosivity
- Corrosive to metals
- Chemical Stability
- Stable under normal conditions.
- Incompatible Materials
- HF contact with glass, concrete and other silicon bearing materials will yield silicon tetrafluoride, Glass and silicate-containing materials
International Transportation
- Packing Group
- II
- Harmonized System Code
- 28111100
- Chemical Class
- 8
- Sub Class 1
- 6.1
- UN Number
- 1790
- Linear Formula : HF
- CAS Number : 7664-39-3
- Grade : Technical
- Density : 1.060 g/cm3 (20 °C)
- Color : Colorless
- Physical Form : Crystalline powder
- Melting Point/Range : -30 °C
- Vapor Pressure : No data available hectopascal
- Odor : Stinging
- Boiling Point/Range : 108 °C (1,013 hPa)
- pH : Acidic
- Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
- Corrosivity : Corrosive to metals
- Chemical Stability : Stable under normal conditions.
- Incompatible Materials : HF contact with glass, concrete and other silicon bearing materials will yield silicon tetrafluoride, Glass and silicate-containing materials
- Packing Group : II
- Harmonized System Code : 28111100
- Chemical Class : 8
- Sub Class 1 : 6.1
- UN Number : 1790
Property
Value
assay
19 - 21 %
hexafluorosilic acid(H2SiF6)
Max. 50 ppm
sulfate (SO4)
Max. 0.05 %
