1.Chemical name: Tetrapotassium pyrophosphate.
2.Molecular formula:K4P2O7
3.Molecular weight:330.34
4.Cas No: 7320-34-5
5.Character: 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.
6.Usage: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.
7.Packing: It is packed with polyethylene bag as inner layer and a kraft paper bag as outer layer.
The net weight of each bag is 25kgs
8.Storeage and transportation: It should be stored in a dry and ventilative warehouse,kept away from heat and moisture during transportation, unloading with care so to avoid damage,furthermore,it must be stored separately from poisonous substance.
| 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 |
(As) % ≤ |
|
0.0003 |
| 7 |
PH Value |
10.0-10.7 |
| 8 |
Ortho Phosphate |
Pass test |
Audited Supplier 
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