Fluorides
Potassium hexafluorozirconate(IV) (01712)
used in the production of Ti-B-Al grain refining agents, boron alloying tablets, aluminium-boron hardeners, assay (ex F) min. 97.5%
Overview
-16923-95-8-1)
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Potassium hexafluorozirconate is used in the production of Ti-B-Al grain refining agents, boron alloying tablets, aluminium-boron hardeners, assay (ex F) min. 97.5%
Specifications
General Information
- Linear Formula
- K2ZrF6
- CAS Number
- 16923-95-8
Physical Properties
- Vapor Pressure
- Negligible hectopascal
- Odor
- Odorless
- Physical Form
- Crystalline powder
- Color
- Colorless
- Density
- 3.48 g/cm3 (20 °C)
- pH
- 3.0 to 6.0 (20 °C) Saturated solution
- Melting Point/Range
- 650 °C
- Boiling Point/Range
- No data available
Safety Information
- Incompatible Materials
- Contact with strong acids liberates hydrogen fluoride
- Chemical Stability
- Stable under recommended storage conditions.
- Self Ignition
- Not applicable
- Flammability
- The product is not flammable.
- Thermal Decomposition
- No decomposition if used as directed.
International Transportation
- Packing Group
- III
- Chemical Class
- 6.1
- UN Number
- 3288
- Harmonized System Code
- 28269010
General Information
- Linear Formula
- K2ZrF6
- CAS Number
- 16923-95-8
Physical Properties
- Vapor Pressure
- Negligible hectopascal
- Odor
- Odorless
- Physical Form
- Crystalline powder
- Color
- Colorless
- Density
- 3.48 g/cm3 (20 °C)
- pH
- 3.0 to 6.0 (20 °C) Saturated solution
- Melting Point/Range
- 650 °C
- Boiling Point/Range
- No data available
Safety Information
- Incompatible Materials
- Contact with strong acids liberates hydrogen fluoride
- Chemical Stability
- Stable under recommended storage conditions.
- Self Ignition
- Not applicable
- Flammability
- The product is not flammable.
- Thermal Decomposition
- No decomposition if used as directed.
International Transportation
- Packing Group
- III
- Chemical Class
- 6.1
- UN Number
- 3288
- Harmonized System Code
- 28269010
- Linear Formula : K2ZrF6
- CAS Number : 16923-95-8
- Vapor Pressure : Negligible hectopascal
- Odor : Odorless
- Physical Form : Crystalline powder
- Color : Colorless
- Density : 3.48 g/cm3 (20 °C)
- pH : 3.0 to 6.0 (20 °C) Saturated solution
- Melting Point/Range : 650 °C
- Boiling Point/Range : No data available
- Incompatible Materials : Contact with strong acids liberates hydrogen fluoride
- Chemical Stability : Stable under recommended storage conditions.
- Self Ignition : Not applicable
- Flammability : The product is not flammable.
- Thermal Decomposition : No decomposition if used as directed.
- Packing Group : III
- Chemical Class : 6.1
- UN Number : 3288
- Harmonized System Code : 28269010
Property
Value
assay (ex F)
Min. 97.5 %
assay of fluor (F)
Min. 39.2 %
assay (Zr)
Min. 31 %
pH (5% Suspension)
3 - 6
water insoluble matter
Max. 0.25 %
loss on ignition (300°C, 2h)
Max. 0.4 %
loss on drying (105°C, 2 h)
Max. 0.1 %
calcium (Ca)
Max. 0.02 %
copper (Cu)
Max. 0.05 %
iron (Fe)
Max. 0.28 %
hafnium (Hf)
Max. 1 %
magnesium (Mg)
Max. 0.05 %
manganese (Mn)
Max. 0.05 %
sodium (Na)
Max. 0.15 %
nickel (Ni)
Max. 0.05 %
silicon (Si)
Max. 0.2 %
titanium (Ti)
Max. 0.05 %
chloride (Cl)
Max. 0.02 %
sulfate (SO4)
Max. 0.05 %
grain dissipation > 0.70 mm
Max. 1 %
grain dissipation > 0.25mm
Max. 5 %
grain dissipation < 0.045mm
Max. 75 %