Structure via PubChem · Public domain (PubChem)
sodium pyrophosphate
Sign in to saveAlso known as tetrasodium diphosphate, tetrasodium pyrophosphate (anhydrous), TSPP, E450(iii), pyrophosphoric acid tetrasodium salt, tetrasodium pyrophosphate, diphosphoric acid, tetrasodium salt
chemical compound
Chemical data
- Formula
- Na4O7P2
- Molecular weight
- 265.9 g/mol
- IUPAC name
- tetrasodium;phosphonato phosphate
- SMILES
- [O-]P(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
- InChIKey
- FQENQNTWSFEDLI-UHFFFAOYSA-J
- Polar surface area
- 136 Ų
- H-bond donors
- 0
- H-bond acceptors
- 7
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Molecule type
- Small molecule
via ChEMBL · EBI
Wikidata facts
- Subclass of
- chemical compound
- Has part
- sodium
- Mass
- 265.871
- Has use
- food additive
Show 8 more facts
- canonical SMILES
- [O-]P(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
- chemical formula
- Na₄O₇P₂
- NIOSH Pocket Guide ID
- 0606
- density
- 2.45
- melting point
- 1810
- vapor pressure
- 0
- solubility
- 7
- time-weighted average exposure limit
- 5
Sources (3)
via Wikidata · CC0