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Descriptor English: Nitrous Oxide
Descriptor Spanish: Óxido Nitroso
Descriptor óxido nitroso
Scope note: (N2O). Gas incoloro e inodoro, utilizado como anestésico y analgésico. En altas concentraciones tiene efecto narcótico y puede reemplazar al oxígeno, causando la muerte por asfixia. También se utiliza como aerosol para alimentos en la preparación de la cremas espumosas.
Descriptor Portuguese: Óxido Nitroso
Descriptor French: Protoxyde d'azote
Entry term(s): Gas, Laughing
Laughing Gas
Nitrogen Protoxide
Oxide, Nitrous
Tree number(s): D01.362.635.625
D01.625.550.550
D01.650.550.587.650
SP4.606.635.419.744.400
RDF Unique Identifier: https://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.
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Pharm Action: Anesthetics, Inhalation
Analgesics, Non-Narcotic
Registry Number: K50XQU1029
CAS Type 1 Name: Nitrogen oxide (N2O)
Public MeSH Note: 1963; for NITROGEN PROTOXIDE see NITRIC OXIDE 1982-2008
History Note: 1963; for NITROGEN PROTOXIDE use NITRIC OXIDE 1982-2008
DeCS ID: 9795
Unique ID: D009609
NLM Classification: QV 81
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1963/01/01
Date of Entry: 1999/01/01
Revision Date: 2013/07/08
Nitrous Oxide - Preferred
Concept UI M0014927
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.
Preferred term Nitrous Oxide
Entry term(s) Gas, Laughing
Laughing Gas
Nitrogen Protoxide
Oxide, Nitrous



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