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Molecule
Disodium Phosphate
CAS: 7558-79-4 · H3Na2O4P
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7558-79-4
- Molecular Formula
- H3Na2O4P
- Molecular Mass
- 143.97 g/mol
Identifiers
CAS Registry Number
7558-79-4
SMILES
O=P(O)(O)O.[Na].[Na]
InChI Key
QLFFCLRSMTUBEZ-UHFFFAOYSA-N
InChI
InChI=1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)
Names and Synonyms
- Disodium Phosphate Common Name
- Phosphoric acid, sodium salt (1:2) Synonym
- Phosphoric acid, disodium salt Synonym
- Anhydrous sodium acid phosphate Synonym
- Dibasic sodium phosphate Synonym
- Disodium hydrogen phosphate Synonym
- Disodium monohydrogen phosphate Synonym
- Disodium phosphate Synonym
- DSP Synonym
- Exsiccated sodium phosphate Synonym
- Soda Phosphate Synonym
- Sodium hydrogen phosphate Synonym
- Sodium phosphate (Na2HPO4) Synonym
- Disodium orthophosphate Synonym
- Sodium monohydrogen phosphate Synonym
- Disodium phosphate (Na2HPO4) Synonym
- Disodium acid orthophosphate Synonym
- Disodium acid phosphate Synonym
- Disodium hydrophosphate Synonym
- Hydrogen disodium phosphate Synonym
- Sodium phosphate, dibasic Synonym
- Monohydrogen disodium phosphate Synonym
- Acetest Synonym
- Hydrogen sodium phosphate (HNa2PO4) Synonym
- Disodium hydrogen orthophosphate (Na2HPO4) Synonym
- Sodium orthophosphate dibasic Synonym
- H 10 Synonym
- Sorensen's sodium phosphate Synonym
- P 8135 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 143.97 g/mol | CAS Common Chemistry |
| 143.974 g/mol | RDKit | |
| 145.99 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Disodium_phosphate | CAS Common Chemistry |
| Canonical SMILES | [Na].O=P(O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=QLFFCLRSMTUBEZ-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Disodium phosphate | CAS Common Chemistry |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 77.76 Ų | RDKit |
| LogP | -1.6902000000000001 | RDKit |
| -1.6902 | RDKit | |
| Molar Refractivity | 25.770899999999997 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 143.956433766 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 143.97 g/mol. Edit any field — others recompute live.
