Chemical Properties
| Melting point | 800 °C |
| Boiling point | 3500 °C |
| EPA Substance Registry System | Didymium (rare earth mixture) (8006-73-3) |
Safety Information
| Hazard Codes | F |
| Risk Statements | 15-11 |
| Safety Statements | 8-43A-16 |
| RIDADR | UN3178 |
| HazardClass | 4.1 |
| PackingGroup | II |