Nitrous Oxide


Gas, Laughing

Laughing Gas

Nitrogen Protoxide

Nitrogen oxide (N2O)

Oxide, Nitrous

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.