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Sodium Sulfite
CAS: 7757-83-7 | H2Na2O3S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7757-83-7
Molecular Formula:
H2Na2O3S
Molecular Weight:
128.05999999999997 g/mol
Names and Synonyms:
Sodium Sulfite
Sulfurous acid, sodium salt (1:2)
Sulfurous acid, disodium salt
Anhydrous sodium sulfite
Disodium sulfite
Sodium sulfite (Na2SO3)
Sodium sulfite anhydrous
Sodium sulfite
Disodium sulfite (Na2SO3)
S-WAT
E 221
Identifiers:
SMILES:
O=S(O)O.[Na].[Na]
InChI:
InChI=1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
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.
All Properties
Comprehensive physical and chemical properties
Physical Properties
| Property | Value | Source |
|---|---|---|
| molecular_mass | 128.06 g/mol | Legacy Database |
| density | 2.63 g/cm³ | Legacy Database |
| wikipedia_url | https://en.wikipedia.org/wiki/Sodium_sulfite None | Legacy Database |
| cas-canonical-smile | [Na].O=S(O)O None | Legacy Database |
| cas-density | 2.63 g/cm3 None | Legacy Database |
| cas-inchi | InChI=1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3) None | Legacy Database |
| cas-inchi-key | InChIKey=YKZJGZHPDUVUKN-UHFFFAOYSA-N None | Legacy Database |
| cas-name | Sodium sulfite None | Legacy Database |
| wikipedia-name | Sodium sulfite None | Legacy Database |
| LogP | -1.0805 | RDKit |
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 128.05999999999997 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 127.95200348400002 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 6 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 1 count | RDKit |
| Hydrogen Bond Donors | 2 count | RDKit |
Rotatable
| Property | Value | Source |
|---|---|---|
| Rotatable Bonds | 0 count | RDKit |
Aromatic
| Property | Value | Source |
|---|---|---|
| Aromatic Ring Count | 0 count | RDKit |
Topological
| Property | Value | Source |
|---|---|---|
| Topological Polar Surface Area | 57.53 Ų | RDKit |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 24.908 | RDKit |
