Classification: Phosphate Type: Sodium Pyrophosphate CAS No.: 7722-88-5 Other Names: tetrasodium pyrophosphate, TSPP MF: Na4P2O7 EINECS No.: 231-767-1 Grade Standard: Food Grade Purity: 96.5% Appearance: white powder Application: Humectants , buffering agent shelf time: 24 months standard: FCC