Potassium Sulphate


HS CODE 28342100

Chemical Compound
Potassium sulfate is a non-flammable white crystalline salt which is soluble in water. The chemical is commonly used in fertilizers, providing both potassium and sulfur.
    Formula: K2SO4
    Molar mass: 174.259 g/mol
    Melting point: 1,069 °C
    Density: 2.66 g/cm³
    Boiling point: 1,689 °C
    Soluble in: Water

Suppliers of high grade Potassium Sulphate. The product is synthesized from the best chemicals, and is of a high purity.

The product Potassium Sulphate is used in many areas - Technical grades are used in fertilizers to manufacture potassium carbonate, potassium alum, and glass, the reagent grade is used to determine nitrogen content. The Potassium Sulphate can be obtained in custom requirements at reasonable prices. Further the details of this inorganic chemicals are given below.


Grade Technical Pure Extra Pure
Assay 95% Min 98% to 99% Min 99% to 99.5% Min
Appearance Off white White fine Powder Snow white Crystalline Powder
Molecular Wt.      
Potassium ---- 50% Min 50% Min
PH 5% Solution 6 to 9 6 to 8 6 to 8
Iron ---- 0.05% 0.01%
Solubility ---- Clear Solution Clear Solution
Insoluble matter 2.00% 0.50% 0.05%
Chloride ---- 0.05% 0.01%
Arsenic ---- 5 PPM Max 2 PPM Max
Lead ---- 5 PPM Max 5 PPM Max


Technical grades are used in fertilizers for manufacture of potassium alum, potassium carbonate and glass, the reagent grade is used in the determination of nitrogen.