Chemical Name:Trisodium Phosphate Chemical Name:Tetra Potassium Pyrophosphate Synonyms:Tetrapotassium pyrophosphate Molecular formula: K4P2O7 Standard executed: HG/T3591-1999 Properties: Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm3 and melting point 1109; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions. Application: It mainly applied to electroplating without cyanate, industrial or household detergents; It can used as a buffering reagent as well as stabilizer for hydrogen peroxide; It can also be used as dispersion agent for ceramic, clay, latex and pigments etc. Packaging : 25KG,inner plastic and outer plastic or paper.