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Molecule
Potassium Persulfate
CAS: 7727-21-1 · H2K2O8S2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7727-21-1
- Molecular Formula
- H2K2O8S2
- Molecular Mass
- 272.34 g/mol
Identifiers
CAS Registry Number
7727-21-1
SMILES
O=S(=O)(O)OOS(=O)(=O)O.[K].[K]
InChI Key
HANODVTTXFCTCR-UHFFFAOYSA-N
InChI
InChI=1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)
Names and Synonyms
- Potassium Persulfate Synonym
- Peroxydisulfuric acid ([(HO)S(O)2]2O2), potassium salt (1:2) Synonym
- Peroxydisulfuric acid ([(HO)S(O)2]2O2), dipotassium salt Synonym
- Anthion Synonym
- Dipotassium peroxydisulfate Synonym
- Potassium persulfate Synonym
- Potassium peroxydisulfate Synonym
- Potassium peroxydisulfate (K2(S2O8)) Synonym
- Dipotassium persulfate Synonym
- Potassium peroxydisulphate Synonym
- Dipotassium peroxodisulfate Synonym
- Virkon S Synonym
- Potassium dipersulfate Synonym
- F 210 Hygisept Synonym
- K2S2O8 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 272.34 g/mol | CAS Common Chemistry |
| 272.33799999999997 g/mol | RDKit | |
| 272.338 g/mol | RDKit | |
| 274.34 g/mol | chempirical lib | |
| Density | 2.48 g/cm³ | CAS Common Chemistry |
| 2.477 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Potassium_persulfate | CAS Common Chemistry |
| Canonical SMILES | [K].O=S(=O)(O)OOS(=O)(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6) | CAS Common Chemistry |
| InChI Key | InChIKey=HANODVTTXFCTCR-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Potassium persulfate | CAS Common Chemistry |
| Heavy Atom Count | 12 | RDKit |
| Hydrogen Bond Acceptors | 6 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 3 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 127.2 Ų | RDKit |
| LogP | -2.221399999999999 | RDKit |
| -2.2214 | RDKit | |
| Molar Refractivity | 36.7752 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 271.846522384 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
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140
120
100
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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 = 272.34 g/mol; density = 2.480 g/mL. Edit any field — others recompute live.
