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Potassium Sulfate
CAS: 7778-80-5 | H2K2O4S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7778-80-5
Molecular Formula:
H2K2O4S
Molecular Mass:
176.27 g/mol
Names and Synonyms:
Potassium Sulfate
Sulfuric acid potassium salt (1:2)
Sulfuric acid dipotassium salt
Potassium sulfate (2:1)
Arcanum duplicatum
Potassium sulfate
Sal polychrestum
Tartarus vitriolatus
Dipotassium sulfate
Potassium sulfate (K2(SO4))
Potassium sulphate
Potassium sulfate (K2SO4)
Sulfuric acid, dipotassium salt
Sulfate of potash
Identifiers:
SMILES:
O=S(=O)(O)O.[K].[K]
InChI:
InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)
Key Properties
Boiling Point
1689 °C
CAS Common Chemistry
Melting Point
1067 °C
CAS Common Chemistry
Density
2.66 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 | 176.27 g/mol | CAS Common Chemistry |
| 176.27499999999998 g/mol | RDKit | |
| 175.894792904 g/mol | RDKit | |
| Density | 2.66 g/cm³ | CAS Common Chemistry |
| 2.66 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Potassium_sulfate | CAS Common Chemistry |
| Boiling Point | 1689 °C | CAS Common Chemistry |
| Canonical SMILES | [K].O=S(=O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=RELBRYJDPFWCIM-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 1067 °C | CAS Common Chemistry |
| Name | Potassium sulfate | 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 | 74.60000000000001 Ų | RDKit |
| LogP | -1.4143999999999997 | RDKit |
| Molar Refractivity | 25.6854 | RDKit |
