1.Chemical name: Potassium PyrophosphateTetrapotassium Pyrophosphate
2.M. F.:K4P2O7
3.M. W. :330.34
4.Physical propertieswhite pellet or powder , Melting point at1109,soluble in water.
5.Quality standard: FCC-IV
Name of index | FCC-IV |
Potassium Pyrophosphate K4P2O7(on dried material) ≥% | 95.0 |
Water-insoluble ≤% | 0.1 |
Arsenic (As) ≤% | 0.0003 |
Fluoride (as F) ≤% | 0.001 |
Loss on Ignition ≤% | 0.5 |
Pb ≤% | 0.0002 |
