Ammonia

June 29th, 2008 by

For other uses, see Ammonia (disambiguation).
Ammonia

IUPAC name
Azane
Other names
Ammonia
Hydrogen nitride
Spirit of Hartshorn
Nitro-Sil
Vaporole
Identifiers
CAS number
PubChem
222
UN number
anhydrous:1005
solutions:2672, 2073, 3318
RTECS number
BO0875000
SMILES
 
N
InChI
 
1/H3N/h1H3
Properties
Molecular formula
NH3
Molar mass
17.0306 g/mol
Appearance
Colorless gas with strong pungent odour
Density
0.6942
Melting point
-77.73 °C (195.42 K)
Boiling point
-33.34 °C (239.81 K)
Solubility in water
89.9 g/100 mL at 0 °C
Basicity (pKb)
4.75 (reaction with H2O)
Refractive index (nD)
εr
Structure
Molecular shape
Trigonal pyramid
Dipole moment
1.42 D
Hazards
MSDS
External MSDS
Main hazards
Hazardous gas, caustic, corrosive
NFPA 704

1
3
0
 
R-phrases
R10, [...]

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