| Properties: | |
| Dark-gray powder or crystals, pyrophoric. | |
| Derivation: | |
| By leaching the aluminum from an alloy of 50% aluminum–50% nickel with 25% caustic soda solution. | |
| Hazard: | |
| Ignites spontaneous in air, store under alcohol or water, dangerous fire risk. | |
| Use: | |
| Catalyst for hydrogenation. | |