N2O
44.013 g/mol
APIDanger
Nitrous oxide
CAS10024-97-2EC233-032-0
Category
API
Compound Class
n.a
Primary Use
Pharmaceutical Raw Material
Nitrous oxide is a colorless, non-flammable gas with a slightly sweet scent and taste. It is widely used as an anesthetic in dentistry and surgery, and at elevated temperatures acts as a powerful oxidizer.
anesthetic in dentistry and surgeryoxidizer at elevated temperatures
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 10024-97-2
Related Compounds
ReferenceSame Category
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CAS100286-90-6
pharmaceutical raw material
ReferenceSame Category
Milrinone lactate
CAS100286-97-3
pharmaceutical raw material
ReferenceSame Category
Ferrous succinate
CAS10030-90-7
pharmaceutical raw material
ReferenceSame Category
Sodium picosulfate
CAS10040-45-6
pharmaceutical raw material
Safety Reference
Danger
H270May cause or intensify fire; oxidizer
H280Contains gas under pressure; may explode if heated
H281Contains refrigerated gas; may cause cryogenic burns or injury
H336May cause drowsiness or dizziness
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Nitrous oxide (CAS 10024-97-2) is 2811.29.
HS code (international, 6-digit)
2811.29
EU CN code (8-digit)
2811 29 30
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
nitrous oxide
InChIKey
GQPLMRYTRLFLPF-UHFFFAOYSA-N
SMILES
[N-]=[N+]=O
Synonyms (52)
- E-942
- NNO
- R-744A
- Nitrous Oxide, USP
- Nitrous oxide (JP15/USP)
- Nitrous oxide (JP18/USP)
- Nitrous oxide, JAN, USAN
- Diazyne 1-oxide
- Dinitrogen monoxide
- Dinitrogen oxide
- Dinitrogenii oxidum
- Distickstoffmonoxid
- FEMA 2779
- Factitious air
- Gas, Laughing
- Hyponitrous acid anhydride
- INS NO.942
- Lachgas
- Laughing gas
- NITROUS OXIDE [MART.]
- Nitrious oxide
- Nitrogen Protoxide
- Nitrogen hypoxide
- Nitrogen oxide (N2O)
- Nitrogen oxide (n(sub 2)o)
- Nitrogenum oxygenatum
- Nitrous Oxide Sedara
- Nitrous oxide (TN)
- Nitrous oxide, compressed
- Nitrous-15N2 oxide
- Nitroux Oxide
- Oxide, Nitrous
- Oxido nitroso
- Oxido nitroso [Spanish]
- Oxo-1lambda~5~-diazyne
- Protoxide of nitrogen
- Protoxyde d'azote [French]
- Stickdioxyd
- Stickdioxyd [German]
- Stickstoff(I)-oxid
- diazooxidane
- gaz hilarant
- nitrogenium oxydulatum
- nitrous oxide
- oxidodinitrogen(N--N)
- oxyde nitreux
- protoxyde d'azote