CASNo.: 7722-76-1
TKPP(Tetrapotassium Pyrophosphate)
CAS No.:7722-76-1
HS Code:2835399000
Specification:Food Grade
Packing:25kg bag/drum/carton
Application
Potassium Pyrophosphate white powder. Relative density 2.3534 and melting point 1109°C; Potassium pyrophosphate 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; TKPP can chelate with alkaline metals ions or heavy metal ions.Potassium Pyrophosphate is used as a sequestering, buffering and emulsifying agent and as a texturizer in processed meat, fish and cheese. Tetrapotassium pyrophosphate is also used as a gelling agent in instant puddings.
Specification
| Item | Standard |
| Potassium pyrophosphate (as K4P2O7)% | 98min |
| Assay （K2O)% | 55.6min |
| Iron % | 0.01max |
| Water innsoluble matter % | 0.10max |
| lead | 2ppm max |
| Arsenic（As） | 3ppm max |
| Fluoride | 10ppm max |
| PH value | 10.0-11.0 |
| Loss on ignition （105℃/4 hrs,550 ℃/30mins）% | 1.0max |
| particle size（though80 mesh）% | 95min |