Tetra Potassium Pyrophosphate(TKPP)
Molecular formula: K4P2O7
CAS NUMBER:7320-34-5
Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534g/cm3 and melting point 1109℃; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, ant at 25℃, its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions. 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.
Main Advantages
◆Fully water-soluble;
◆Highly efficient source of phosphorus and potassium for plants.
Packing and Storage
In 25kg, or big bags and store at a cool, dry and well ventilated place.
SPECIFICATIONS
No. | Specifications | Industrial grade | Food grade |
1 | appearance | White or colorless | Crystal power |
2 | Assay%≥ | 96.0 | 96.0 |
3 | Phosphorus pentoxide, as P2O5 %≥ | 41.31 | 41.31 |
4 | Potassium Oxide ,as K2O %≥ | 54.69 | 54.69 |
5 | Iron(Fe)%≤ | 0.03 | 0.03 |
6 | Water insoluble matter%≤ | 0.1 | 0.1 |
7 | Heavy metals(as Pb)%≤ | ---- | 0.001 |
8 | Arsenic(As) %≤ | ---- | 0.0003 |
9 | PH Value | 10.0-10.7 | 10.0-10.7 |