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Sulfates

Potassium sulfate (12659)

fine powder, extra pure (particle size <0,3 mm), assay (calc. to the dried substance) min. 99%

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General Information

  • Application
    • Industrial
  • CAS Number
    • 7778-80-5

Physical Properties

  • Boiling Point/Range
    • 1,698 °C (1,013 hPa)
  • Vapor Pressure
    • No data available
  • Physical Form
    • Solid
  • Color
    • Colorless
  • pH
    • 6.0 to 7.5 (20 °C)
  • Melting Point/Range
    • 1,067 °C
  • Odor
    • Odorless

Safety Information

  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • Strong oxidizing agents
  • Chemical Stability
    • Stable under recommended storage conditions.

International Transportation

  • Harmonized System Code
    • 31043000

General Information

  • Application
    • Industrial
  • CAS Number
    • 7778-80-5

Physical Properties

  • Boiling Point/Range
    • 1,698 °C (1,013 hPa)
  • Vapor Pressure
    • No data available
  • Physical Form
    • Solid
  • Color
    • Colorless
  • pH
    • 6.0 to 7.5 (20 °C)
  • Melting Point/Range
    • 1,067 °C
  • Odor
    • Odorless

Safety Information

  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • Strong oxidizing agents
  • Chemical Stability
    • Stable under recommended storage conditions.

International Transportation

  • Harmonized System Code
    • 31043000
  • Application : Industrial
  • CAS Number : 7778-80-5
  • Boiling Point/Range : 1,698 °C (1,013 hPa)
  • Vapor Pressure : No data available
  • Physical Form : Solid
  • Color : Colorless
  • pH : 6.0 to 7.5 (20 °C)
  • Melting Point/Range : 1,067 °C
  • Odor : Odorless
  • Flammability : The product is not flammable.
  • Incompatible Materials : Strong oxidizing agents
  • Chemical Stability : Stable under recommended storage conditions.
  • 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 %