1.Molecular formula: Na4P2O7 Molecular Weight:265.90 2.Appearance and properties:white powder,easy soluble in water,no soluble in ethanol. The water solution is alkaline. 3.Usage: Used as improving agent in food industy, PH regulating agent, metal ion complex of meat and aquatic products in order to hold water, keep the meat fresh and tender, stabilize the natural color and prevent fat from putridity. Also used in 4.Specificationgs Na4P2O7 96.5Min Substances not dissolved in water 0.20Max PH value(1 of aqueous solution) 9.9-10.7 Ortho-phosphates --- Arsenic(As) 0.0003Max Heavy metal(Pb) 0.001Max Fluorides(F) 0.005Max LOI 0.50Max