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Chromium Trioxide
CAS: 1333-82-0 | CrO3
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
1333-82-0
Molecular Formula:
CrO3
Molecular Mass:
99.99 g/mol
Names and Synonyms:
Chromium Trioxide
Chromium oxide (CrO3)
Chromic anhydride
Chromic trioxide
Chromium trioxide
Chromium(VI) oxide
Monochromium trioxide
Chromium oxide (Cr4O12)
Chromia (CrO3)
Chromium(VI) trioxide
Chromium oxide (Cr0.25O0.75)
Identifiers:
SMILES:
[Cr].[O].[O].[O]
InChI:
InChI=1S/Cr.3O
Key Properties
Melting Point
197 °C
CAS Common Chemistry
Density
2.70 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 | 99.99 g/mol | CAS Common Chemistry |
| 99.993 g/mol | RDKit | |
| 99.92525136 g/mol | RDKit | |
| Density | 2.70 g/cm³ | CAS Common Chemistry |
| 2.70 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Chromium_trioxide | CAS Common Chemistry |
| Canonical SMILES | O=[Cr](=O)=O | CAS Common Chemistry |
| InChI | InChI=1S/Cr.3O | CAS Common Chemistry |
| InChI Key | InChIKey=WGLPBDUCMAPZCE-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 197 °C | CAS Common Chemistry |
| Name | Chromium trioxide | CAS Common Chemistry |
| Heavy Atom Count | 4 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 85.5 Ų | RDKit |
| LogP | -0.3589 | RDKit |
| Molar Refractivity | 2.0595 | RDKit |
