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Potassium Alum
CAS: 10043-67-1 | H2AlKO4S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
10043-67-1
Molecular Formula:
H2AlKO4S
Molecular Mass:
164.16 g/mol
Names and Synonyms:
Potassium Alum
Sulfuric acid, aluminum potassium salt (2:1:1)
Aluminum potassium sulfate (AlK(SO4)2)
Aluminum potassium sulfate
Alum potassium
Burnt alum
Exsiccated alum
Potassium aluminum sulfate
Potassium alum
Alum
Aluminum potassium alum
Aluminum potassium disulfate
Dialuminum dipotassium sulfate
Potash alum
Potassium aluminum sulfate (1:1:2)
Aluminum potassium sulfate (KAl(SO4)2)
Aluminum potassium sulfate alum
Potassium aluminum alum
Burnt potassium alum
Tai-Ace K 20
Tai-Ace K 150
Aluminium potassium bis(sulfate)
Conheal
Inheal
Algypo DS 103
EA-L
Identifiers:
SMILES:
O=S(=O)(O)O.[Al].[K]
InChI:
InChI=1S/Al.K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)
Key Properties
Density
1.73 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 | 164.16 g/mol | CAS Common Chemistry |
| 164.159 g/mol | RDKit | |
| 163.912624854 g/mol | RDKit | |
| Density | 1.73 g/cm³ | CAS Common Chemistry |
| 1.725 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Potassium_alum | CAS Common Chemistry |
| Canonical SMILES | [Al].[K].O=S(=O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/Al.K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=VWRKUHIZDIMTAF-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Potassium alum | 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 |
