Sulfur trioxide
Properties
- Molecular formula
- O3S
- Molar mass
- 80.06 g/mol
- Exact mass
- 79.9568 Da
- Density
- 1.9 g/mL
- Melting point
- 16.8 °C
- Boiling point
- 45 °C
- logP
- -1.00Crippen estimate
- Polar surface area
- 51.2 Ų
- H-bond donors / acceptors
- 0 / 3
- Rotatable bonds
- 0
Hazards
Danger
- H314 Causes severe skin burns and eye damage85.1% of notifiers
- H318 Causes serious eye damage49.3% of notifiers
- H330 Fatal if inhaled16.1% of notifiers
- H335 May cause respiratory irritation79.9% of notifiers
- H351 Suspected of causing cancer11.3% of notifiers
- H411 Toxic to aquatic life with long lasting effects11.3% of notifiers
Aggregated from 503 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P203, P260, P261, P264, P264+P265, P271, P273, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P318, P319, P320, P321, P363, P391, P403+P233, P405, P501
Identifiers
CAS number
7446-11-9SMILES
O=S(=O)=OInChIKey
AKEJUJNQAAGONA-UHFFFAOYSA-NInChI
InChI=1S/O3S/c1-4(2)3Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
3 names
- Sulfur oxide (SO3)
- Sulfuric anhydride
- Nisso sulfan
Work with Sulfur trioxide
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
Trimethylamine sulfur trioxide3162-58-150 % similar
Fuming sulfuric acid8014-95-743 % similar
Sulfur trioxide pyridine complex26412-87-340 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.