Product Name: Sodium Pyrophosphate
Synonyms: TSPP; Phosphotex; Tetrasodium Pyrophosphate
CAS No.: 7722-88-5
Molecular Formula: Na4P2O7
Molecular Weight: 265.90
Specification of Sodium Pyrophosphate:
Item | Specification |
Appearance | White Powder or Crystal |
Assay (on dried basis) | 96.5% ~ 100.5% |
pH Range | 9.9 ~ 10.7 |
Water Insoluble | 0.2% max. |
Reduce on Ignition | 0.5% max. |
Heavy Metal (as Pb) | 0.0010% max. |
Arsenic | 0.0003% max. |
Lead | 0.0004% max. |
Fluoride | 0.0050% max. |