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CAS number: 7778-80-5
Formula: K2SO4
Physical property data:
Properties: colorless or white hexagonal or rhombic crystal or granular powder.
Relative density: 2.662
Solubility: soluble in water.
Inspection Item Standard
Purity 98.5%Min
Chloride 0.05%Max
Iron 0.02%Max
Magnesium 0.01%Max
Calcium 0.03%Max
Insoluble matter in water 0.8%Max
PH 6-8
Size 5%
Appearance White crystal

Property: Potassium Sulfate is colorless or white hexagonal or rhombic crystal or granular powder. The relative density is 2.662.The inversion point is 588℃, the melting point is 1069℃ and the boiling point is at 1689℃. It is soluble in water and insoluble in alcohol, acetone and carbon bisulfide. It tastes bitter and salty.
Applications:Potassium Sulfate is mainly used as smoke suppressor for bomb in military industry. It is a chemical fertilizer applied in agriculture and a constituent of potassium salt. It is also used as a intermediate in dyeing, a clarifying agent in glass industry, a release inhibitor in medicine , an accessory ingredient in aromatics industry and all-purpose additives in food industry. It is also used in biochemical inspection of serum protein.

Handling and Storage:Store in ventilated and dry house with the package sealed away from moisture. Prevent the material from rain in case to be dissolved and lost during transportation.

Packing: Plastic woven bag inner with plastic in 40kg net.