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dinitrogen oxide

CAS 10024-97-2 · N2O
Hazard class
Danger — Health hazard, Irritant / harmful
Pictograms
Health hazardIrritant / harmful
H-statements
  • H360Df May damage the unborn child. Suspected of damaging fertility
  • H336 May cause drowsiness or dizziness
  • H372 Causes damage to organs through prolonged or repeated exposure
  • H420 Harms public health and the environment by destroying ozone in the upper atmosphere
Common uses (US EPA CDR)
Semiconductor and photovoltaic agentEtching agent
Workplace exposure limits
NIOSH REL *: TWA 25 ppm (46 mg/m3) (TWA over the time exposed) [*Note: REL for exposure to waste anesthetic gas.]
OSHA PEL none
IDLH N.D.
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
nitrous oxide · Laughing gas · Dinitrogen oxide · Dinitrogen monoxide · Factitious air · nitrogen protoxide · Nitrogen oxide (N2O) · Hyponitrous acid anhydride
Molecular weight
44.013 g/mol
Data source
Harmonised classification ECHA — EU CLP Annex VI
Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. Browse categories · API · Console
Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.