Molecular properties
- Formula
- N2O
- Molar mass
- 44.01 g·mol−1
- Exact mass
- 44.0011 Da
- 0
- PubChem CID
- 948
Molecule record
nitrous oxide
N2O
44.01 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
- 10024-97-2
- DTXSID8021066
- Dinitrogen monoxide
- Dinitrogen oxide
- Dinitrogenii oxidum
- Distickstoffmonoxid
- FEMA No. 2779
- Factitious air
Show all 24 synonyms
- Gas, Laughing
- Hyponitrous acid anhydride
- INS NO.942
- Laughing gas
- Nitrogen hypoxide
- Nitrogen oxide (N2O)
- Nitrogen oxide (n(sub 2)o)
- Nitrogenum oxygenatum
- Nitrous oxide, compressed
- Oxide, Nitrous
- Oxido nitroso
- Protoxide of nitrogen
- Stickdioxyd
- nitrogen protoxide
- oxyde nitreux
- protoxyde d'azote
Structure identifiers
- Canonical SMILES
- [N-]=[N+]=O
- Isomeric SMILES
- [N-]=[N+]=O
- InChI
- InChI=1S/N2O/c1-2-3
- InChIKey
- GQPLMRYTRLFLPF-UHFFFAOYSA-N
- PubChem CID
- 948
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 nitrous oxide; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for nitrous oxide; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.