Chromium trioxide
Properties
- Molecular formula
- CrO3
- Molar mass
- 99.99 g/mol
- Exact mass
- 99.9253 Da
- Density
- 2.7 g/mL
- Melting point
- 197 °C
- Water solubility
- 1,690 g/L (25 °C)
- logP
- -0.36Crippen estimate
- Polar surface area
- 85.5 Ų
- H-bond donors / acceptors
- 0 / 0
- Rotatable bonds
- 0
Hazards
Danger
- H271 May cause fire or explosion; strong Oxidizer100% of notifiers
- H301 Toxic if swallowed91.2% of notifiers
- H310 Fatal in contact with skin45.5% of notifiers
- H311 Toxic in contact with skin46.4% of notifiers
- H314 Causes severe skin burns and eye damage100% of notifiers
- H317 May cause an allergic skin reaction100% of notifiers
- H318 Causes serious eye damage26.2% of notifiers
- H330 Fatal if inhaled91.2% of notifiers
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled97.5% of notifiers
- H340 May cause genetic defects99.4% of notifiers
- H350 May cause cancer100% of notifiers
- H361 Suspected of damaging fertility or the unborn child80.1% of notifiers
- H361f Suspected of damaging fertility19.9% of notifiers
- H372 Causes damage to organs through prolonged or repeated exposure99.8% of notifiers
- H400 Very toxic to aquatic life90.3% of notifiers
- H410 Very toxic to aquatic life with long lasting effects91.7% of notifiers
Aggregated from 638 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P203, P210, P220, P233, P260, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P283, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P306+P360, P316, P317, P318, P319, P320, P321, P330, P333+P317, P342+P316, P361+P364, P362+P364, P363, P370+P378, P371+P380+P375, P391, P403, P403+P233, P405, P420, P501
Identifiers
CAS number
1333-82-0SMILES
O=[Cr](=O)=OInChIKey
WGLPBDUCMAPZCE-UHFFFAOYSA-NInChI
InChI=1S/Cr.3OWeigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
9 names
- Chromium oxide (CrO3)
- Chromic anhydride
- Chromic trioxide
- Chromium(VI) oxide
- Monochromium trioxide
- Chromium oxide (Cr4O12)
- Chromia (CrO3)
- Chromium(VI) trioxide
- Chromium oxide (Cr0.25O0.75)
Work with Chromium trioxide
Similar compounds
Tanimoto similarity of circular fingerprints over the whole catalogue.