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Synonyms: tetra potassium diphosphate, TKPP
Molecular formula: K4P2O7
Molecular Weight: 330.33
CAS Number: 7320-34-5
Properties: Tetrapotassium pyrophosphate is It is white powder; The density 2.3534 and melting point 1109°C; It is apt to absorb humidity in the open air to deliquescent; It is soluble in water but insoluble in ethanol; It can be chelate with alkaline metals ions or heavy metal ions.
Specifications:
| Item | Tech grade |
| Appearance | White powder |
| TOTAL CONTENT K4P2O7 | 98%Min |
| IRON | 0.01%MAX |
| INSOLUBLE IN WATER | 0.1%MAX. |
| PH Value | 10.0-10.7 |
| LOSS ON IGNITION AT 800℃ | 0.5% MAX. |
Application: It is mainly applied to electroplating industry or household detergents; It can also used as dispersion agent for ceramic, clay, latex and pigments etc. In food, it is used as buffering reagents as well as stabilizer for hydrogent peroxide.
Packing ：In PP+PE bags of 25kgs net each, we can provide packages according to customer’s requirement .
Storage: at a cool, dry and well ventilated place.
Shelf life: 24 months.
