Sulfates
Potassium sulfate (12659)
fine powder, extra pure (particle size <0,3 mm), assay (calc. to the dried substance) min. 99%
Overview
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Specifications
Others
- Linear Formula
- K2SO4
- CAS Number
- 7778-80-5
- Grade
- Extra pure
- pH
- 6.0 to 7.5 (20 °C)
- Melting Point/Range
- 1,067 °C
- Boiling Point/Range
- 1,698 °C (1,013 hPa)
- Vapor Pressure
- No data available hectopascal
- Physical Form
- Solid
- Density
- 2.66 g/cm3 (20 °C)
- Color
- Colorless
- Odor
- Odorless
- Incompatible Materials
- Strong oxidizing agents
- Chemical Stability
- Stable under recommended storage conditions.
- Flammability
- The product is not flammable.
- Harmonized System Code
- 31043000
Others
- Linear Formula
- K2SO4
- CAS Number
- 7778-80-5
- Grade
- Extra pure
- pH
- 6.0 to 7.5 (20 °C)
- Melting Point/Range
- 1,067 °C
- Boiling Point/Range
- 1,698 °C (1,013 hPa)
- Vapor Pressure
- No data available hectopascal
- Physical Form
- Solid
- Density
- 2.66 g/cm3 (20 °C)
- Color
- Colorless
- Odor
- Odorless
- Incompatible Materials
- Strong oxidizing agents
- Chemical Stability
- Stable under recommended storage conditions.
- Flammability
- The product is not flammable.
- Harmonized System Code
- 31043000
- Linear Formula : K2SO4
- CAS Number : 7778-80-5
- Grade : Extra pure
- pH : 6.0 to 7.5 (20 °C)
- Melting Point/Range : 1,067 °C
- Boiling Point/Range : 1,698 °C (1,013 hPa)
- Vapor Pressure : No data available hectopascal
- Physical Form : Solid
- Density : 2.66 g/cm3 (20 °C)
- Color : Colorless
- Odor : Odorless
- Incompatible Materials : Strong oxidizing agents
- Chemical Stability : Stable under recommended storage conditions.
- Flammability : The product is not flammable.
- Harmonized System Code : 31043000
Property
Value
assay (calc. to the dried substance)
Min. 99 %
loss on drying (105°C, 4 h)
Max. 0.5 %
water insoluble matter
Max. 0.1 %
free alkali (as KOH)
Max. 0.03 %
free acid (as H2SO4)
Max. 0.01 %
arsenic (As)
Max. 0.0005 %
iron (Fe)
Max. 0.005 %
heavy metals (as Pb)
Max. 0.001 %
chloride (Cl)
Max. 0.01 %
sand
not present
sieve residue by 0.3 mm
Max. 0 %
