Anhydrous tetra potassium phosphate is in white powder or granular. It can chelate with alkaline metals ions or heavy metal ions
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/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.
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:I Packed in 25 Kg, 50 Kg or 1000 Kg net bags. It must be stored in places well ventilated and dry.
Guaranteed Technical Specifications:
NO. | Specifications | Industrial Grade | Food Grade |
1 | Appearance | White powder or granular | |
2 | Assay % ≥ | 96.0 | 96.0 |
3 | Iron(Fe) % ≤ | 0.03 | 0.03 |
4 | Water insoluble matter % ≤ | 0.1 | 0.1 |
5 | Heavy Metals(as Pb)% ≤ | —— | 0.001 |
6 | Arsenic(As) % ≤ | —— | 0.0003 |
7 | PH Value | 10.0-10.7 | |
8 | Ortho Phosphate | Pass test | |
Tetra Potassium Pyrophosphate(TKPP)
