Molecular properties
- Formula
- O3S
- Molar mass
- 80.06 g·mol−1
- Exact mass
- 79.9568 Da
- 0
- PubChem CID
- 24682
Molecule record
sulfur trioxide
O3S
80.06 g/mol
Loading structure
Functional groups
No functional-group assignment has been curated yet.
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 12210-38-7
- 231-197-3
- 7446-11-9
- CHEBI:29384
- DTXCID409673
- DTXSID1029673
- HH2O7V4LYD
- NISSO SULFAN
Show all 23 synonyms
- NS00081874
- Q242715
- RefChem:6276
- SCHEMBL6713
- SULFUR TRIOXIDE [MI]
- Sulfan
- Sulfite radical anion
- Sulfur oxide (SO3)
- Sulfur trioxide, contains stabilizer, >=99%
- Sulfur trioxide, stabilized
- Sulfuric anhydride
- Sulfuric oxide
- Sulphur trioxide
- Trioxo-lambda~6~-sulfane
- [SO3]
Structure identifiers
- Canonical SMILES
- O=S(=O)=O
- Isomeric SMILES
- O=S(=O)=O
- InChI
- InChI=1S/O3S/c1-4(2)3
- InChIKey
- AKEJUJNQAAGONA-UHFFFAOYSA-N
- PubChem CID
- 24682
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for sulfur trioxide; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for sulfur trioxide; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.