File:Chromium_oxide_cropped.jpg · Wikimedia Commons · See Wikimedia Commons
dichromium trioxide
Sign in to saveAlso known as green oxide of chromium, green chromium oxide, chromium(III) sesquioxide, chromium sesquioxide, chromia, chromium oxide, chromium(III) oxide
chemical compound
Chemical data
- Formula
- Cr2O3
- Molecular weight
- 151.99 g/mol
- IUPAC name
- chromium;trioxochromium
- SMILES
- O=[Cr](=O)=O.[Cr]
- InChIKey
- QDOXWKRWXJOMAK-UHFFFAOYSA-N
- Polar surface area
- 51.2 Ų
- H-bond donors
- 0
- H-bond acceptors
- 3
- Formal charge
- 0
via PubChem
~5 min read
Encyclopedic overview
Chromium(III) oxide (or chromia) is an inorganic compound with the formula Cr 2O 3. It is one of the principal oxides of chromium and is used as a pigment. In nature, it occurs as a rare mineral called eskolaite.
Structure and properties
Excerpted from Wikipedia’s “dichromium trioxide” article, available under the CC BY-SA 4.0 licence.