Fluorides
Hydrofluoric acid (01062)
technical, fluoride source, assay 58.0 - 59.5%
Overview
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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
- Melting Point/Range
- -35 °C
- pH
- Acidic
- Odor
- Stinging
- Physical Form
- Crystalline powder
- Density
- 1.200 g/cm3 (20 °C)
- Vapor Pressure
- 101 hPa (50 °C) hectopascal
- Color
- Colorless
- Boiling Point/Range
- 105 °C (1,013 hPa)
Safety Information
- Incompatible Materials
- When diluting, add acids to water, never the other way around. On dilution or dissolving in water, considerable heating always occurs.
- Chemical Stability
- Stable under normal conditions.
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
- Corrosivity
- Corrosive to metals
International Transportation
- UN Number
- 1790
- Harmonized System Code
- 28111100
- Chemical Class
- 8
- Sub Class 1
- 6.1
- Packing Group
- II
General Information
- Linear Formula
- HF
- CAS Number
- 7664-39-3
Physical Properties
- Melting Point/Range
- -35 °C
- pH
- Acidic
- Odor
- Stinging
- Physical Form
- Crystalline powder
- Density
- 1.200 g/cm3 (20 °C)
- Vapor Pressure
- 101 hPa (50 °C) hectopascal
- Color
- Colorless
- Boiling Point/Range
- 105 °C (1,013 hPa)
Safety Information
- Incompatible Materials
- When diluting, add acids to water, never the other way around. On dilution or dissolving in water, considerable heating always occurs.
- Chemical Stability
- Stable under normal conditions.
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
- Corrosivity
- Corrosive to metals
International Transportation
- UN Number
- 1790
- Harmonized System Code
- 28111100
- Chemical Class
- 8
- Sub Class 1
- 6.1
- Packing Group
- II
- Linear Formula : HF
- CAS Number : 7664-39-3
- Melting Point/Range : -35 °C
- pH : Acidic
- Odor : Stinging
- Physical Form : Crystalline powder
- Density : 1.200 g/cm3 (20 °C)
- Vapor Pressure : 101 hPa (50 °C) hectopascal
- Color : Colorless
- Boiling Point/Range : 105 °C (1,013 hPa)
- Incompatible Materials : When diluting, add acids to water, never the other way around. On dilution or dissolving in water, considerable heating always occurs.
- Chemical Stability : Stable under normal conditions.
- Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
- Corrosivity : Corrosive to metals
- UN Number : 1790
- Harmonized System Code : 28111100
- Chemical Class : 8
- Sub Class 1 : 6.1
- Packing Group : II
Property
Value
assay
58.0 - 59.5 %
iron (Fe)
Max. 0.01 %
sulfate (SO4)
Max. 0.05 %
hexafluorosilic acid(H2SiF6)
Max. 0.2 %