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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
Names and Synonyms:
Potassium Persulfate
Peroxydisulfuric acid ([(HO)S(O)2]2O2), potassium salt (1:2)
Peroxydisulfuric acid ([(HO)S(O)2]2O2), dipotassium salt
Anthion
Dipotassium peroxydisulfate
Potassium persulfate
Potassium peroxydisulfate
Potassium peroxydisulfate (K2(S2O8))
Dipotassium persulfate
Potassium peroxydisulphate
Dipotassium peroxodisulfate
Virkon S
Potassium dipersulfate
F 210 Hygisept
K2S2O8
Identifiers:
SMILES:
O=S(=O)(O)OOS(=O)(=O)O.[K].[K]
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)
Key Properties
Density
2.48 g/cm³
CAS Common Chemistry
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
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 272.34 g/mol | CAS Common Chemistry |
| 272.33799999999997 g/mol | RDKit | |
| 271.846522384 g/mol | RDKit | |
| 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 |
| Molar Refractivity | 36.7752 | RDKit |
