NH₃NH317.0310 g·mol⁻¹
Molar mass17.031 g·mol⁻¹calc 17.031 • Atomic weights: CIAAW 2021 (conventional atomic weights)
FormulaNH₃NH3
Classmolecular • covalentgas
| Element | Count | Mass (g/mol) | Mass % |
|---|---|---|---|
| N | 1 | 14.007 | 82.24% |
| H | 3 | 3.024 | 17.76% |
Physical properties
- State at STP
- gas
- Density
- 0.00073 g·cm⁻³ (gas at STP)
- Melting point
- 195.4 K (1 atm)
- Boiling point
- 239.8 K (1 atm)
Structure & bonding
Trigonal pyramidal with lone pair on N. Polar and basic.
Occurrence & preparation
Industrial Haber-Bosch synthesis: N2 + 3 H2 ⇌ 2 NH3.
Uses
- Fertilizer precursor
- Refrigerant
Safety
Corrosive gas; irritates eyes and lungs.
Consult current SDS. — consult current SDS before handling.