Osmium tetroxide
Properties
- Molecular formula
- O4Os
- Molar mass
- 254.23 g/mol
- Exact mass
- 255.9411 Da
- Density
- 4.9 g/mL
- Melting point
- 40.6 °C
- Boiling point
- 130 °C
- Water solubility
- 60 g/L (25 °C)
- logP
- -0.48Crippen estimate
- Polar surface area
- 114.0 Ų
- H-bond donors / acceptors
- 0 / 0
- Rotatable bonds
- 0
Hazards
Danger
- H300 Fatal if swallowedAcute toxicity, oral
- H310 Fatal in contact with skinAcute toxicity, dermal
- H314 Causes severe skin burns and eye damageSkin corrosion/irritation
- H330 Fatal if inhaledAcute toxicity, inhalation
Harmonised EU classification (CLP Annex VI), via PubChem.
Precautionary statements
P260, P262, P264, P270, P271, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P330, P361+P364, P363, P403+P233, P405, P501
Identifiers
CAS number
20816-12-0SMILES
[O].[O].[O].[O].[Os]InChIKey
VUVGYHUDAICLFK-UHFFFAOYSA-NInChI
InChI=1S/4O.OsWeigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
8 names
- Osmium oxide (OsO4), (T-4)-
- Osmium oxide (OsO4)
- Osmium tetraoxide
- Milas' reagent
- Osmium(IV) oxide
- Osmium oxide
- Tetraoxoosmium
- Reagents, milas'
Work with Osmium tetroxide
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern
Similar compounds
Actinium(III) oxide12002-61-850 % similar
Osmium7440-04-250 % similar
Heavy water7789-20-050 % similar
Aluminum dioxide11092-32-333 % similar
Americium dioxide12005-67-333 % similar
Californium oxide (CfO2)12015-10-033 % similar
Curium oxide (CmO2)12016-67-033 % similar
Chromium(IV) oxide12018-01-833 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds