Property Colorless tetragonal crystal or white crystalline powder.
Melting point 252.6°C
Relative density 2.338
Solubility Soluble in water (83.5g/100ml water at 90°C). Insoluble in alcohol.
Product Uses: Used as fertilizer, flavoring agent, brewing yeast culture agent, used to prepare buffer solution, also used in medicine and manufacturing potassium metaphosphate.