1.Chemical name Tetra PotassiumPyrophosphate (TKPP)
2.Molecular formula: K4P2O7
3.Cas No.:7320-34-5
4.Molecular weight:330
5.Character :Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm3 and melting point 1109ºC; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25ºC, its solubility in water is 187g/100g water; It can chelate with alkaline metal ions or heavy metalions.
6.Usage:It is applied to electroplating without cyanate, industrial or household detergents; It can be 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.
7.Packing:Packaging:Plastic woven bag or kraft bag, net weight 25kg. Besides, we can pack the goods according to the requirement of the client.
8.Storage and transportation:
It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| No. |
Specifications |
Unit |
Food Grade Standard |
| 1 |
Main contents K4P2O7 |
% |
≥96.5 |
| 2 |
Plumbum (Pb) |
mg / kg |
≤2 |
| 3 |
pH of 1% water solution |
|
10.5±0.5 |
| 4 |
Heavy Metal (as Pb) |
mg / kg |
≤10 |
| 5 |
Arsenic(As) |
mg / kg |
≤10 |
| 6 |
Fluoride (F) |
mg / kg |
≤10 |
| 7 |
Water insoluble |
|
0.5 |
| 8 |
Water Insoluble |
% |
≤0.2 |
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