Name: Tetra Potassium Pyrophosphate

Synonyms: Potassium Pyrophosphate

Molecular formula: K4P2O7

Molecular weight: 330.34
Standard executed: HG/T3591-1999
Properties:
Anhydrous tetra potassium phosphate is in white powder or granular. Relative density 2.534 g/cm³ and melting point 1109; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25,its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.
Specification :

Application:

Used as food additive ,emulsifying agent ,chelated agent,quality improver in the process of foodstuff , to prevent canned fruit change colour ,applied to swelling agent such as  icecream,bread etc, intensify water retention of meat products ,improve taste of noodles products ,keep cheese fresh etc.