N

Nitrous oxide

IUPAC: nitrous oxide

N2O Inorganic Compounds CAS 10024-97-2
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Quick Reference
Formula / NotationN2O
CAS Number10024-97-2
Molecular Weight44.013
Melting Point-131.5 °F (USCG, 1999)
Boiling Point-129.1 °F at 760 mmHg (USCG, 1999)
Density1.266 at -128.2 °F (USCG, 1999) - Denser than water; will sink
Solubility0.1 % at 77 °F (NIOSH, 2024)
AppearanceNitrous oxide is a colorless, sweet-tasting gas. It is also known as "laughing gas". Continued breathing of the vapors may impair the decision making process. It is noncombustible but it will accel...
Also Known AsLaughing gas; Dinitrogen oxide; Dinitrogen monoxide; Factitious air; nitrogen protoxide; Nitrogen oxide (N2O); 10024-97-2; Hyponitrous acid anhydride; Nitrogen hypoxide; Stickdioxyd
CategoryInorganic Compounds

What is Nitrous oxide?

Nitrous Oxide can cause developmental toxicity and female reproductive toxicity according to The National Institute for Occupational Safety and Health (NIOSH).

Formula & Notation

N2O

IUPAC Name: nitrous oxide

Other Names / Synonyms: Laughing gas; Dinitrogen oxide; Dinitrogen monoxide; Factitious air; nitrogen protoxide; Nitrogen oxide (N2O); 10024-97-2; Hyponitrous acid anhydride; Nitrogen hypoxide; Stickdioxyd

Properties & Characteristics

Appearance: Nitrous oxide is a colorless, sweet-tasting gas. It is also known as "laughing gas". Continued breathing of the vapors may impair the decision making process. It is noncombustible but it will accel.... Molecular formula: N2O. Molecular weight: 44.013 g/mol. Boiling point: -129.1 °F at 760 mmHg (USCG, 1999). Melting point: -131.5 °F (USCG, 1999). Density: 1.266 at -128.2 °F (USCG, 1999) - Denser than water; will sink. Solubility: 0.1 % at 77 °F (NIOSH, 2024). Vapor pressure: 51.3 atm (NIOSH, 2024). LogP: 0.5.

Physical Data

PropertyValue
Melting Point-131.5 °F (USCG, 1999)
Boiling Point-129.1 °F at 760 mmHg (USCG, 1999)
Density1.266 at -128.2 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight44.013
Solubility0.1 % at 77 °F (NIOSH, 2024)
AppearanceNitrous oxide is a colorless, sweet-tasting gas. It is also known as "laughing gas". Continued breathing of the vapors may impair the decision making process. It is noncombustible but it will accel...

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Nitrous oxide
Formula N2O
CAS Number 10024-97-2
Molecular Weight 44.013
Synonyms Laughing gas; Dinitrogen oxide; Dinitrogen monoxide; Factitious air; nitrogen protoxide; Nitrogen oxide (N2O); 10024-97-2; Hyponitrous acid anhydride; Nitrogen hypoxide; Stickdioxyd

Frequently Asked Questions

Nitrous Oxide can cause developmental toxicity and female reproductive toxicity according to The National Institute for Occupational Safety and Health (NIOSH).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.