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°C; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25°C,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.

Guaranteed Technical Specifications:

NO.          Specifications        Unit             Food Grade1              Appearance                 white powder or white granular2               K4P2O7              %                 ≥98.03              Iron(Fe)            PPM                ≤104        Water insoluble matter     %                 ≤0.15          Heavy Metals,as Pb      PPM                ≤306              Arsenic(As)         PPM                ≤37                PH                                 10.5±0.5 8          Ortho Phosphate                            PASS

Tetrapotassium pyrophosphate