Fluorides
Hydrofluoric acid (01078)
fluoride source, assay 68 - 69.9%
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
Physical Properties
- Physical Form
- Liquid
- Boiling Point/Range
- 65 °C (1,013 hPa)
- Color
- Colorless
- Odor
- Stinging
- pH
- Acidic
- Density
- 1.230 g/cm3 (20 °C)
- Vapor Pressure
- 183 hPa (21.1 °C) hectopascal
- Melting Point/Range
- -76 °C
Safety Information
- Corrosivity
- Corrosive to metals
- Chemical Stability
- Stable under normal conditions.
- Incompatible Materials
- Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
International Transportation
- Packing Group
- I
- Chemical Class
- 8
- Harmonized System Code
- 28111100
- UN Number
- 1790
- Sub Class 1
- 6.1
General Information
- Linear Formula
- HF
- CAS Number
- 7664-39-3
Physical Properties
- Physical Form
- Liquid
- Boiling Point/Range
- 65 °C (1,013 hPa)
- Color
- Colorless
- Odor
- Stinging
- pH
- Acidic
- Density
- 1.230 g/cm3 (20 °C)
- Vapor Pressure
- 183 hPa (21.1 °C) hectopascal
- Melting Point/Range
- -76 °C
Safety Information
- Corrosivity
- Corrosive to metals
- Chemical Stability
- Stable under normal conditions.
- Incompatible Materials
- Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
International Transportation
- Packing Group
- I
- Chemical Class
- 8
- Harmonized System Code
- 28111100
- UN Number
- 1790
- Sub Class 1
- 6.1
- Linear Formula : HF
- CAS Number : 7664-39-3
- Physical Form : Liquid
- Boiling Point/Range : 65 °C (1,013 hPa)
- Color : Colorless
- Odor : Stinging
- pH : Acidic
- Density : 1.230 g/cm3 (20 °C)
- Vapor Pressure : 183 hPa (21.1 °C) hectopascal
- Melting Point/Range : -76 °C
- Corrosivity : Corrosive to metals
- Chemical Stability : Stable under normal conditions.
- Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
- Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
- Packing Group : I
- Chemical Class : 8
- Harmonized System Code : 28111100
- UN Number : 1790
- Sub Class 1 : 6.1
Property
Value
assay
68 - 69.9 %
hexafluorosilic acid(H2SiF6)
Max. 1 %
sulfate (SO4)
Max. 0.1 %
