... gas,have all necessary cert. TKPPName: Tetra Potassium PyrophosphateSynonyms: Potassium PyrophosphateMolecular formula: K4P2O7Molecular weight: 330.34 Standard executed ... agent ,chelated agent,quality improver in the process of foodstuff , to prevent canned fruit change colour , ... icecream,bread etc, intensify water retention of meat products ,improve taste of noodles products ,keep cheese fresh ...