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Molecule
Potassium Thiosulfate
CAS: 10294-66-3 · H2K2O3S2
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 10294-66-3
- Molecular Formula
- H2K2O3S2
- Molecular Mass
- 192.34 g/mol
Identifiers
CAS Registry Number
10294-66-3
SMILES
O=S(O)(O)=S.[K].[K]
InChI Key
HBYIYQCWJPELRL-UHFFFAOYSA-N
InChI
InChI=1S/2K.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)
Names and Synonyms
- Potassium Thiosulfate Synonym
- Thiosulfuric acid (H2S2O3), potassium salt (1:2) Synonym
- Thiosulfuric acid, dipotassium salt Synonym
- Potassium thiosulfate (K2S2O3) Synonym
- Thiosulfuric acid (H2S2O3), dipotassium salt Synonym
- Dipotassium thiosulfate Synonym
- Potassium thiosulfate Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 192.34 g/mol | CAS Common Chemistry |
| 192.34300000000002 g/mol | RDKit | |
| 192.343 g/mol | RDKit | |
| 194.345 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Potassium_thiosulfate | CAS Common Chemistry |
| Canonical SMILES | [K].O=S(=O)(O)S | CAS Common Chemistry |
| InChI | InChI=1S/2K.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=HBYIYQCWJPELRL-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Potassium 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 | 191.871949284 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 = 192.34 g/mol. Edit any field — others recompute live.
