Ammonia

H3NCAS 7664-41-717.03 g/mol

NH3

Properties

Molecular formula
H3N
Molar mass
17.03 g/mol
Exact mass
17.0265 Da
Density
0.7 g/mL (at −33 °C)
Melting point
−77.7 °C
Boiling point
−33.35 °C
Flash point
132 °C (closed cup)
Water solubility
470 g/L (0 °C)
logP
0.16Crippen estimate
Polar surface area
35.0 Ų
H-bond donors / acceptors
1 / 1
Rotatable bonds
0

Hazards

Danger
Compressed Gas (GHS04)Corrosive (GHS05)Acute Toxic (GHS06)Environmental Hazard (GHS09)

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P210, P260, P261, P264, P271, P273, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P377, P381, P391, P403, P403+P233, P405, P501

Identifiers

CAS number
7664-41-7
SMILES
N
InChIKey
QGZKDVFQNNGYKY-UHFFFAOYSA-N
InChI
InChI=1S/H3N/h1H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

9 names
  • Ammonia gas
  • Spirit of hartshorn
  • Nitro-sil
  • R 717 (Ammonia)
  • Refrigerent R717
  • Ammonia-14N
  • R 717
  • Busan 1474
  • Spirits of hartshorn

Work with Ammonia

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere