Ammonia

Ammonia

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	17.031 g/mol ^[1]
Density	0.6818 at -28.03 °F (EPA, 1998) - Less dense than water; will float g/cm³ ^[1]
Appearance	Colorless gas ^[1]
Odor	Sharp, cloying, repellent ^[1]
Melting point	-107.9 °F (EPA, 1998) ^[1]
Boiling point	-28.03 °F at 760 mmHg (EPA, 1998) ^[1]
Decomposition	Hazardous decomposition products formed under fire conditions. - Nitrogen oxides (NOx) ^[1]
Solubility	34 % (NIOSH, 2024) ^[1]
Predicted LogP	-0.7 ^[1]

Structural Identifiers []
Molecular formula	H₃N ^[1]
IUPAC name	azane ^[1]
SMILES	N ^[1]
InChI	InChI=1S/H3N/h1H3 ^[1]
InChIKey	QGZKDVFQNNGYKY-UHFFFAOYSA-N ^[1]

Ammonia (also known as Ammonia gas, Nitro-sil, Ammonia anhydrous, Ammonia, anhydrous, Anhydrous ammonia, Ammoniak, Liquid Ammonia, AM-Fol, ammoniac or Aqueous ammonia)

Chemistry

Stereochemistry []

Ammonia is a achiral mixture.

Subjective effects []

0xea / Ammonia []
Routes: Inhaled (10 - 100mg) Source: Pharmacy: AmmoLa smelling ampulles 10% aqueous ammonia solution 20% aqueous ammonia solution ammonium chloride reacting with base Indication: sleepiness Notes: smell somewhat pleasant in small amounts useful for freebasing morphinans

0xea / Ammonia []

Routes:

Inhaled (10 - 100mg)

Source:

Pharmacy: AmmoLa smelling ampulles
10% aqueous ammonia solution
20% aqueous ammonia solution
ammonium chloride reacting with base

Indication:

sleepiness

Notes:

smell somewhat pleasant in small amounts
useful for freebasing morphinans

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 222, ammonia. Accessed May 12, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/222
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Ammonia. UNII: 5138Q19F1X. Global Substance Registration System. Accessed May 12, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/5138Q19F1X