Fluorides
Hydrofluoric acid (01011)
extra pure, fluoride source, assay min. 40%
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
- Color
- Colorless
- Boiling Point/Range
- 110 °C (1,013 hPa)
- pH
- Acidic
- Physical Form
- Crystalline powder
- Odor
- Stinging
- Density
- 1.140 g/cm3 (20 °C)
- Vapor Pressure
- 75 hPa (50 °C) hectopascal
- Melting Point/Range
- -40 °C
Safety Information
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
- Incompatible Materials
- Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
- Corrosivity
- Corrosive to metals
International Transportation
- Packing Group
- II
- UN Number
- 1790
- Chemical Class
- 8
- Harmonized System Code
- 28111100
- Sub Class 1
- 6.1
General Information
- Linear Formula
- HF
- CAS Number
- 7664-39-3
Physical Properties
- Color
- Colorless
- Boiling Point/Range
- 110 °C (1,013 hPa)
- pH
- Acidic
- Physical Form
- Crystalline powder
- Odor
- Stinging
- Density
- 1.140 g/cm3 (20 °C)
- Vapor Pressure
- 75 hPa (50 °C) hectopascal
- Melting Point/Range
- -40 °C
Safety Information
- Thermal Decomposition
- Fire or intense heat may cause violent rupture of packages.
- Incompatible Materials
- Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
- Corrosivity
- Corrosive to metals
International Transportation
- Packing Group
- II
- UN Number
- 1790
- Chemical Class
- 8
- Harmonized System Code
- 28111100
- Sub Class 1
- 6.1
- Linear Formula : HF
- CAS Number : 7664-39-3
- Color : Colorless
- Boiling Point/Range : 110 °C (1,013 hPa)
- pH : Acidic
- Physical Form : Crystalline powder
- Odor : Stinging
- Density : 1.140 g/cm3 (20 °C)
- Vapor Pressure : 75 hPa (50 °C) hectopascal
- Melting Point/Range : -40 °C
- Thermal Decomposition : Fire or intense heat may cause violent rupture of packages.
- Incompatible Materials : Glass and silicate-containing materials are attacked, Gives off hydrogen by reaction with metals, Incompatible with bases
- Corrosivity : Corrosive to metals
- Packing Group : II
- UN Number : 1790
- Chemical Class : 8
- Harmonized System Code : 28111100
- Sub Class 1 : 6.1
Property
Value
assay
Min. 40 %
arsenic (As)
Max. 0.00001 %
iron (Fe)
Max. 0.0001 %
heavy metals (as Pb)
Max. 0.0001 %
chloride (Cl)
Max. 0.0005 %
hexafluorosilic acid(H2SiF6)
Max. 0.02 %
sulfate (SO4)
Max. 0.0005 %
sulfite (SO3)
Max. 0.0005 %