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Substance Name: Nitrous oxide [USP:JAN]
RN: 10024-97-2
UNII: K50XQU1029
InChIKey: GQPLMRYTRLFLPF-UHFFFAOYSA-N

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.

Molecular Formula

  • N2-O

Molecular Weight

  • 44.013
 

Classification Codes

Classification Codes

  • Analgesics
  • Analgesics, Non-Narcotic
  • Anesthetic (Inhalation)
  • Anesthetics
  • Anesthetics, General
  • Anesthetics, Inhalation
  • Central Nervous System Agents
  • Central Nervous System Depressants
  • Human Data
  • Mutation Data
  • Peripheral Nervous System Agents
  • Reproductive Effect
  • Sensory System Agents
  • Tumor Data

Superlist Classification Code

  • TWA (50 ppm); Not classifiable as a human carcinogen

Names and Synonyms

Name of Substance

  • Nitrogen oxide
  • Nitrous oxide
  • Nitrous oxide [USP:JAN]

MeSH Heading

  • Nitrous oxide

Synonyms

  • CCRIS 1225
  • Dinitrogen monoxide
  • Dinitrogen oxide
  • EC 233-032-0
  • EINECS 233-032-0
  • Factitious air
  • FEMA No. 2779
  • HSDB 504
  • Hyponitrous acid anhydride
  • Laughing gas
  • Nitrogen hypoxide
  • Nitrogen monoxide
  • Nitrogen oxide
  • Nitrogen oxide (N2O)
  • Nitrogen protoxide
  • Nitrous oxide
  • Nitrous oxide, compressed
  • Nitrous oxide, refrigerated liquid
  • NIX
  • Oxido nitroso
  • Oxido nitroso [Spanish]
  • Protoxyde d'azote
  • Protoxyde d'azote [French]
  • Stickdioxyd
  • Stickdioxyd [German]
  • UNII-K50XQU1029

Systematic Names

  • Dinitrogen oxide
  • Nitrogen oxide
  • Nitrogen oxide (N2O)
  • Nitrous oxide

Superlist Names

  • Dinitrogen monoxide
  • Laughing gas
  • Nitrous oxide
  • Nitrous oxide [Anaesthetics, volatile]
  • Nitrous oxide [UN1070] [Nonflammable gas]
  • Nitrous oxide, refrigerated liquid [UN2201] [Nonflammable gas]
  • UN1070
  • UN2201

Registry Numbers

CAS Registry Number

  • 10024-97-2

FDA UNII

  • K50XQU1029

Other Registry Numbers

  • 126386-65-0
  • 129451-49-6
  • 130835-71-1
  • 147527-07-9
  • 175876-44-5
  • 794457-85-5
  • 847968-13-2
  • 850203-00-8

System Generated Number

  • 0010024972

Structure Descriptors

InChI

1S/N2O/c1-2-3

InChIKey

GQPLMRYTRLFLPF-UHFFFAOYSA-N

Smiles

[N+](=[N-])=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
human TCLo inhalation 24mg/kg/2H (24mg/kg) BEHAVIORAL: GENERAL ANESTHETIC

CARDIAC: PULSE RATE 		British Journal of Anesthesia. Vol. 35, Pg. 631, 1963.