7722-88-5 Anhydrous tetrasodium pyrophosphate Diphosphoric acid, tetrasodium salt NSC56751 Na4P2O7 Natriumpyrophosphat Phosphotex Pyrophosphate sodium salt Pyrophosphoric acid tetrasodium salt Pyrophosphoric acid, tetrasodium salt Sodium diphosphate (Na4P2O7) Sodium phosphate (Na4P2O4) Sodium phosphate (Na4P2O7) Sodium pyrophosphate Sodium pyrophosphate (Na4(P2O7)) Sodium pyrophosphate (Na4P2O7) Sodium pyrophosphate, Na4P2O7 TSPP Tetranatriumpyrophosphat Tetrasodium diphosphate Tetrasodium pyrophosphate Tetrasodium pyrophosphate, anhydrous Victor TSPP WLN: NA4 P2-O7