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Molecule
Sodium Dithionite
CAS: 7775-14-6 · H2Na2O4S2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7775-14-6
- Molecular Formula
- H2Na2O4S2
- Molecular Mass
- 176.13 g/mol
Identifiers
CAS Registry Number
7775-14-6
SMILES
O=S(O)S(=O)O.[Na].[Na]
InChI Key
PEXMEGQPKTWBOJ-UHFFFAOYSA-N
InChI
InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)
Names and Synonyms
- Sodium Dithionite Common Name
- Dithionous acid, sodium salt (1:2) Synonym
- Dithionous acid, disodium salt Synonym
- Sodium dithionite Synonym
- Vatrolite Synonym
- Hydros Synonym
- Blankit Synonym
- Sodium dithionite (Na2(S2O4)) Synonym
- Disodium dithionite Synonym
- Disodium hydrosulfite Synonym
- Sodium hydrosulfite Synonym
- Sodium hyposulfite Synonym
- Burmol Synonym
- Sodium hydrosulfite (Na2S2O4) Synonym
- V-Brite B Synonym
- Blankit IN Synonym
- Hydrosulfite R Conc Synonym
- Cyclanon ARC Synonym
- Blankit S Synonym
- Hydrosulfite F Synonym
- Oxygen Scavenger SHS Synonym
- Albite F Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 176.13 g/mol | CAS Common Chemistry |
| 176.126 g/mol | RDKit | |
| 178.128 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Sodium_dithionite | CAS Common Chemistry |
| Canonical SMILES | [Na].O=S(O)S(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=PEXMEGQPKTWBOJ-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 166-168 °C | CAS Common Chemistry |
| Name | Sodium dithionite | CAS Common Chemistry |
| Heavy Atom Count | 8 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 74.6 Ų | RDKit |
| LogP | -1.4167999999999998 | RDKit |
| -1.4168 | RDKit | |
| Molar Refractivity | 33.050399999999996 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 175.918989104 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
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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 = 176.13 g/mol. Edit any field — others recompute live.
