Fluorides
Ammonium hydrogen difluoride (01173)
technical, source of fluoride, assay of NH4HF2 min. 95%
Overview
Specifications
General Information
- Linear Formula
- NH4HF2
- CAS Number
- 1341-49-7
- Grade
- Technical
Physical Properties
- Odor
- Stinging
- Physical Form
- Flakes
- Boiling Point/Range
- Not applicable
- Color
- Colorless
- Density
- 1.500 g/cm3 (20 °C)
- pH
- 2 to 3 (20 °C) as aqueous solution
- Vapor Pressure
- No data available hectopascal
- Melting Point/Range
- 126 °C (1.013 hPa) Sublimation point
Safety Information
- Incompatible Materials
- Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked
- Chemical Stability
- Stable under normal conditions.
- Thermal Decomposition
- No decomposition if used as directed.
- Self Ignition
- Not auto-flammable
- Flammability
- The product is not flammable.
International Transportation
- Packing Group
- II
- Harmonized System Code
- 2826191000
- Chemical Class
- 8
- UN Number
- 1727
General Information
- Linear Formula
- NH4HF2
- CAS Number
- 1341-49-7
- Grade
- Technical
Physical Properties
- Odor
- Stinging
- Physical Form
- Flakes
- Boiling Point/Range
- Not applicable
- Color
- Colorless
- Density
- 1.500 g/cm3 (20 °C)
- pH
- 2 to 3 (20 °C) as aqueous solution
- Vapor Pressure
- No data available hectopascal
- Melting Point/Range
- 126 °C (1.013 hPa) Sublimation point
Safety Information
- Incompatible Materials
- Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked
- Chemical Stability
- Stable under normal conditions.
- Thermal Decomposition
- No decomposition if used as directed.
- Self Ignition
- Not auto-flammable
- Flammability
- The product is not flammable.
International Transportation
- Packing Group
- II
- Harmonized System Code
- 2826191000
- Chemical Class
- 8
- UN Number
- 1727
- Linear Formula : NH4HF2
- CAS Number : 1341-49-7
- Grade : Technical
- Odor : Stinging
- Physical Form : Flakes
- Boiling Point/Range : Not applicable
- Color : Colorless
- Density : 1.500 g/cm3 (20 °C)
- pH : 2 to 3 (20 °C) as aqueous solution
- Vapor Pressure : No data available hectopascal
- Melting Point/Range : 126 °C (1.013 hPa) Sublimation point
- Incompatible Materials : Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked
- Chemical Stability : Stable under normal conditions.
- Thermal Decomposition : No decomposition if used as directed.
- Self Ignition : Not auto-flammable
- Flammability : The product is not flammable.
- Packing Group : II
- Harmonized System Code : 2826191000
- Chemical Class : 8
- UN Number : 1727
Property
Value
assay of NH4HF2
Min. 95 %
assay of NH4F
Max. 5 %
water (Karl Fischer)
Max. 0.5 %
iron (Fe)
Max. 0.05 %
heavy metals (as Pb)
Max. 0.02 %
sulfate (SO4)
Max. 0.2 %
sulfite (SO3)
Max. 0.01 %
appearance of a solution with 10 %
Clear
