Tetrasodium pyrophosphate
Properties
- Molecular formula
- Na4O7P2
- Molar mass
- 265.90 g/mol
- Exact mass
- 265.8710 Da
- Density
- 2.53 g/mL
- Melting point
- 988 °C
- logP
- -2.33Crippen estimate
- Polar surface area
- 124.3 Ų
- H-bond donors / acceptors
- 4 / 3
- Rotatable bonds
- 2
Hazards
No GHS classification is on file for this compound. That is not evidence that it is harmless.
Identifiers
CAS number
7722-88-5SMILES
[O-]P([O-])(=O)OP([O-])([O-])=O.[Na+].[Na+].[Na+].[Na+]InChI
The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.
Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
22 names · show all
- SPP
- Diphosphoric acid, sodium salt (1:4)
- Pyrophosphoric acid, tetrasodium salt
- Diphosphoric acid, tetrasodium salt
- Anhydrous tetrasodium pyrophosphate
- Phosphotex
- Tetrasodium diphosphate
- TSPP
- Victor TSPP
- Sodium pyrophosphate (Na4P2O7)
- Sodium pyrophosphate
- Sodium diphosphate (Na4P2O7)
- Sodium phosphate (Na4P2O7)
- Tetrasodium pyrophosphate (Na4P2O7)
- Tetrasodium diphosphate (Na4P2O7)
- Sodium diphosphate
- Accoline 126
- SPP (phosphate)
- Thermphos pyro E 450
- Sodium phosphorus oxide (Na4P2O7)
- Phosphomix 110
- Nankarin S 1
Work with Tetrasodium pyrophosphate
Similar compounds
Sodium pyrophosphate decahydrate13472-36-183 % similar
Sodium triphosphate7758-29-470 % similar
Iron(III) pyrophosphate10058-44-367 % similar
Barium pyrophosphate13466-21-267 % similar
Stannous pyrophosphate15578-26-467 % similar
Potassium pyrophosphate7320-34-567 % similar
Calcium pyrophosphate7790-76-367 % similar
Disodium pyrophosphate7758-16-964 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.