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Molecule
Sodium Thiosulfate
CAS: 7772-98-7 · H2Na2O3S2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7772-98-7
- Molecular Formula
- H2Na2O3S2
- Molecular Mass
- 160.13 g/mol
Identifiers
CAS Registry Number
7772-98-7
SMILES
O=S(O)(O)=S.[Na].[Na]
InChI Key
UWUDCDBGGWPQHS-UHFFFAOYSA-N
InChI
InChI=1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)
Names and Synonyms
- Sodium Thiosulfate Synonym
- Thiosulfuric acid (H2S2O3), sodium salt (1:2) Synonym
- Thiosulfuric acid, disodium salt Synonym
- Thiosulfuric acid (H2S2O3), disodium salt Synonym
- Disodium thiosulfate Synonym
- Hypo Synonym
- Sodium thiosulfate Synonym
- Sodium thiosulfate anhydrous Synonym
- Sodium thiosulfate (Na2(S2O3)) Synonym
- Sodium oxide sulfide (Na2S2O3) Synonym
- Sodium thiosulphate Synonym
- S-Hydril Synonym
- Sodium hyposulfite Synonym
- Sodothiol Synonym
- Declor-It Synonym
- Chlorine Control Synonym
- Chlorine Cure Synonym
- Disodium thiosulphate Synonym
- Desilube 88 Synonym
- Sulfactol Synonym
- Ametox Synonym
- Antichlor Synonym
- Sulfothiorine Synonym
- MFS 50 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 160.13 g/mol | CAS Common Chemistry |
| 160.127 g/mol | RDKit | |
| 162.129 g/mol | chempirical lib | |
| Density | 1.67 g/cm³ | CAS Common Chemistry |
| 1.667 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Sodium_thiosulfate | CAS Common Chemistry |
| Canonical SMILES | [Na].O=S(=O)(O)S | CAS Common Chemistry |
| InChI | InChI=1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=UWUDCDBGGWPQHS-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 48 °C | CAS Common Chemistry |
| Name | Sodium thiosulfate | CAS Common Chemistry |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 57.53 Ų | RDKit |
| LogP | -1.0828999999999998 | RDKit |
| -1.0829 | RDKit | |
| Molar Refractivity | 32.272999999999996 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 159.924074484 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
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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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Quick conversion
MW = 160.13 g/mol; density = 1.670 g/mL. Edit any field — others recompute live.
