| M Formula: | Mg(NH2)2 |
| Properties: | |
| Whitish to gray crystals. D 1.40. Decomposes when heated. | |
| Derivation: | |
| Reaction of magnesium with ammonia under elevated pressure. | |
| Hazard: | |
| A pyrophoric material igniting in air at room temperature. Evolves ammonia on vigorous reaction with water. | |
| Use: | |
| Catalyst for polymerization. | |