Fluorides
Hydrofluoric acid 40-45% (01012)
technical, fluoride source, assay 40 - 45%
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
General Information
- Application
- Industrial
- CAS Number
- 7664-39-3
- Molar Mass
- 20.01 g/mol
Physical Properties
- Boiling Point/Range
- 110 °C (1,013 hPa)
- Color
- Colorless
- Density
- 1.140 g/cm3 (20 °C)
- Melting Point/Range
- -40 °C
- Odor
- Stinging
- pH
- Acidic
- Physical Form
- Crystalline powder
- Solubility in Water
- Completely miscible
- Vapor Pressure
- No data available
Safety Information
- Chemical Stability
- Stable under normal conditions.
- Corrosivity
- Corrosive to metals
- Incompatible Materials
- Glass and silicate-containing materials are attacked, HF contact with glass, concrete and other silicon bearing materials will yield silicon
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
International Transportation
- Chemical Class
- 8
- Harmonized System Code
- 28111100
- Packing Group
- II
- Sub Class 1
- 6.1
- UN Number
- 1790
General Information
- Application
- Industrial
- CAS Number
- 7664-39-3
- Molar Mass
- 20.01 g/mol
Physical Properties
- Boiling Point/Range
- 110 °C (1,013 hPa)
- Color
- Colorless
- Density
- 1.140 g/cm3 (20 °C)
- Melting Point/Range
- -40 °C
- Odor
- Stinging
- pH
- Acidic
- Physical Form
- Crystalline powder
- Solubility in Water
- Completely miscible
- Vapor Pressure
- No data available
Safety Information
- Chemical Stability
- Stable under normal conditions.
- Corrosivity
- Corrosive to metals
- Incompatible Materials
- Glass and silicate-containing materials are attacked, HF contact with glass, concrete and other silicon bearing materials will yield silicon
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
International Transportation
- Chemical Class
- 8
- Harmonized System Code
- 28111100
- Packing Group
- II
- Sub Class 1
- 6.1
- UN Number
- 1790
- CAS Number : 7664-39-3
- Molar Mass : 20.01 g/mol
- Application : Industrial
- Melting Point/Range : -40 °C
- Solubility in Water : Completely miscible
- Boiling Point/Range : 110 °C (1,013 hPa)
- Color : Colorless
- Physical Form : Crystalline powder
- Density : 1.140 g/cm3 (20 °C)
- Vapor Pressure : No data available
- pH : Acidic
- Odor : Stinging
- Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
- Incompatible Materials : Glass and silicate-containing materials are attacked, HF contact with glass, concrete and other silicon bearing materials will yield silicon
- Corrosivity : Corrosive to metals
- Chemical Stability : Stable under normal conditions.
- Sub Class 1 : 6.1
- Chemical Class : 8
- UN Number : 1790
- Harmonized System Code : 28111100
- Packing Group : II
Property
Value
assay
40 - 45 %
hexafluorosilic acid(H2SiF6)
Max. 0.02 %
sulfate (SO4)
Max. 0.01 %