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Nitrous Oxide MeSH Descriptor Data 2021


MeSH Heading
Nitrous Oxide
Tree Number(s)
D01.362.635.625
D01.625.550.550
D01.650.550.587.650
Unique ID
D009609
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009609
Scope Note
Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.
Entry Term(s)
Laughing Gas
Nitrogen Protoxide
Pharm Action
Anesthetics, Inhalation
Analgesics, Non-Narcotic
Registry Number
K50XQU1029
Related Numbers
10024-97-2
CAS Type 1 Name
Nitrogen oxide (N2O)
NLM Classification #
QV 81
Public MeSH Note
1963; for NITROGEN PROTOXIDE see NITRIC OXIDE 1982-2008
History Note
1963; for NITROGEN PROTOXIDE use NITRIC OXIDE 1982-2008
Date Established
1963/01/01
Date of Entry
1999/01/01
Revision Date
2013/07/08
Nitrous Oxide Preferred
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