Product Description:
Product name:Tetra Potassium Pyrophosphate(TKPP)
Molecular Formula: K4P2O7
CAS No.: 7320-34-5
EINECS No.:230-785-7
Product Characteristics:
White powder. Relative density 2.3534 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.
Product Technical Data:
| Indexes | Food Grade | Tech Grate |
| Appearance | White powder or lumps | |
| Assay%≥ | 96 | 95 |
| Iron(Fe) %≤ | 0.03 | 0.05 |
| Water insoluble matter % | 0.1 | 0.2 |
| Heavy Metals(as Pb)% | 0.001 | / |
| Arsenic(As)% ≤ | 0.0003 | / |
| PH Value | 10.0-10.7 | / |
| Ortho Phosphate | Pass test | / |
Product Application:
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.
Product Packing and storage:
Packed in 25 Kg, 50 Kg or 1000 Kg net bags. It must be stored in places well ventilated and dry.