Tetra Potassium Pyrophosphate(TKPP)
Molecular formula: K4P2O7
Molecular weight: 330.34
Standard executed: HG/T3591-1999
CAS Number: 7320-34-5

Properties: Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm3and melting point 1109º C; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25º C, its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.

Uses: 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.

Packing and storage: Packed in 25 Kg, 50 Kg net bags. It must be stored in places well ventilated and dry.