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Molecule
Chrome Alum
CAS: 10141-00-1 · H2CrKO4S
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 10141-00-1
- Molecular Formula
- H2CrKO4S
- Molecular Mass
- 189.17 g/mol
Identifiers
CAS Registry Number
10141-00-1
SMILES
O=S(=O)(O)O.[Cr].[K]
InChI Key
YDHSAGLAXHZWGU-UHFFFAOYSA-N
InChI
InChI=1S/Cr.K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)
Names and Synonyms
- Chrome Alum Synonym
- Sulfuric acid, chromium(3+) potassium salt (2:1:1) Synonym
- Potassium chromium alum Synonym
- Chromium potassium sulfate (CrK(SO4)2) Synonym
- Chromic potassium sulfate Synonym
- Potassium chromium sulfate (KCr(SO4)2) Synonym
- Chrome alum Synonym
- Chrome potash alum Synonym
- Chromium potassium sulfate Synonym
- Chromium potassium disulfate Synonym
- Chromium potassium alum Synonym
- Potassium chromium disulfate(kcr(so4)2) Synonym
- Chromium potassium bis(sulfate) Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 189.17 g/mol | CAS Common Chemistry |
| 189.173 g/mol | RDKit | |
| 192.19 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Chrome_alum | CAS Common Chemistry |
| Canonical SMILES | [K].[Cr].O=S(=O)(O)O | CAS Common Chemistry |
| InChI | InChI=1S/Cr.K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=YDHSAGLAXHZWGU-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Chromium potassium sulfate | CAS Common Chemistry |
| Chrome 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 |
| 74.6 Ų | RDKit | |
| LogP | -1.0360999999999998 | RDKit |
| -1.0361 | RDKit | |
| Molar Refractivity | 19.9314 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 188.871593724 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
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200 ppm
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| Shift (ppm) | DEPT | Assignment |
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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 = 189.17 g/mol. Edit any field — others recompute live.