Potassium Sulfate

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Potassium Sulfate

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Symbol – K2SO4

Molecular Weight – 174.25

CAS No – 174.25

Potassium sulfate, also called sulphate of potash (SOP), arcanite, or archaically potash of sulfur, is the inorganic compound with formula K2SO4, a white water-soluble solid. It is commonly used in fertilizers, providing both potassium and sulfur.

Physical Properties

Appearance

White crystalline powder

Melting point

1069⁰C

Boiling point

1689⁰C

Density

2.66g/cu.cm

Solubility

11.1 g/100ml water @20⁰C

Uses

  • The dominant use of potassium sulfate is as a fertilizer. K2SO4does not contain chloride, which can be harmful to some crops.
  • The crude salt is also used occasionally in the manufacture of glass.
  • Potassium sulfate is also used as a flash reducer in artillerypropellant It reduces muzzle flash, flareback and blast overpressure.
  • Potassium sulfate can also be used in pyrotechnicsin combination with potassium nitrate to generate a purple flame.

Handling & Safety

  • Keep in a tightly closed container, stored in a cool, dry, ventilated area.
  • Protect againstphysical damage.
  • Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.

Packaging

  • 25Kgs HDPE Bags with Liner Inside.
  • 50 Kgs HDPE Drums with Liner Inside.

Molecular Structure