Potassium Sulfate

Potassium sulfate is the inorganic dipotassium salt of sulfuric acid (CAS 7778-80-5; K2SO4, MW 174.26), occurring naturally as the mineral arcanite. It supplies both potassium, about 45%, and sulfur, and sits among the higher-load potassium forms alongside the dipotassium phosphate, below only the carbonate and chloride. It is a water-soluble, near-neutral crystalline salt, in contrast to the alkaline carbonate and bicarbonate. We supply it as a white powder for powders, tablets and capsules.

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