• tkpp-tetrapotassium-pyrophosphate
  • tkpp-tetrapotassium-pyrophosphate

TKPP Tetrapotassium Pyrophosphate

  • Assay (as K4P2O7 800 °C for 0.5 hours) ,%: 95.0Min
  • P2O5, %: 42.0-43.7
  • pH Value ( 1% solution ): 10.0 – 10.8
  • Arsenic ( As ),mg/kg: 1.0Max
  • Fluoride ( F ),mg/kg: 10.0Max
  • Cadmium (Cd) ,mg/kg: 1.0Max

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■ Specifications
1.Characters:
Chemical Name: Potassium pyrophosphate
Other name:
phosphosol;Potassiumpyrophosphate,anhydrous;Potassiumpyrophosphate,trihyd;pyrophosphatedepotassium;pyrophosphatetetrapotassique;pyrophosphoricacid,tetrapotassiumsalt;tetrapotassiumdiphosphorate;POTASSIUM DIPHOSPHATE EXTRA PURE
CAS: 7320-34-5
EINECS No.: 230-785-7
Formula: K4O7P2
Molecular Weight: 330.336522
Purity: 98%
Appearance: White powder
Type: Food grade
2.Properties:
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.White powder or white granular; easily soluble in water.
3.Applications:
In food industry, it is used as emulsifier, quality improver, chelating agent. It can be applied as fresh preserver, water conservation, and quality improver for quick-frozen aquatic products. Complex used with other phosphates in meat processing will get a better effect. Also it can improve the expansibility of ice cream, and the taste of flour and cake, prevent the cheese ageing. 
4.Packing details:
Storage: The product shall be stored in a clean, dry & cool area protected from exposure to moisture, foreign odors and other contaminants. Due to its strong hygroscopic properties, it shall be stored in a dry & cool area.
Packing: Totally packed in 25kg paper bags net each with white or yellow color, or made to customer’s request.
18-24mt TKPP can be loaded in one container with pallets shrunk or without pallets.
■ Full Data
Items Spec Typical Analysis
Assay (as K4P2O7 800 °C for 0.5 hours) ,% 95.0Min 97.45
P2O5, % 42.0-43.7 43
pH Value ( 1% solution ) 10.0 – 10.8 10.5
Arsenic ( As ),mg/kg 1.0Max 0.20
Fluoride ( F ),mg/kg 10.0Max 5.0
Cadmium (Cd) ,mg/kg 1.0Max 0.02
Mercury (Hg),mg/kg 1.0Max 0.02
Lead ( Pb ),mg/kg 1.0Max 0.2
Insoluble Substance,% 0.2Max 0.05
Loss On ignition(105°C, 4hrs then 550 °C, 30 minutes),% 2.0Max 0.50
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