Scandium is a silverywhite transition metal often grouped with the rare earth elements (REEs). While historically used primarily for research, scandium has significant technological potential thanks to its unique combination of low density—comparable to aluminum—and a much higher melting point. Aluminumscandium alloys are prized for their exceptional strengthtoweight ratio and have been used in applications such as aircraft, highperformance bicycle frames, and premium sporting equipment like baseball bats.
Highpurity scandium metal is also important in catalytic applications, including petroleum refining and environmental protection catalysts. It is used in the production of mischmetal and specialized polishing powders.
In advanced electronics and semiconductor manufacturing, scandium serves as a highquality source material for molecular beam epitaxy (MBE) and other thinfilm deposition processes used in research and device fabrication.
General Properties
| Properties | Value |
| Symbol | Sc |
| CAS Number | 7440-20-2 |
| EINECS Number | 231-129-2 |
| Atomic Number | 21 |
| Atomic Mass | 44.955912 u |
| Density | 2.99 g/cc |
| Melting Point | 1541 °C |
| Boiling Point | 2836 °C |
| Thermal Conductivity | 15.8 W/(m⋅K) |
| Electrical Resistivity | α, poly: 562 nΩ⋅m (at r.t., calculated) |
| Electronegativity | Pauling scale: 1.36 |
| Heat of Vaporization | 332.7 kJ/mol |
| Heat of Fusion | 14.1 kJ/mol |
Product Availability
We provide high purity Scandium (Sc) metal tailored for semiconductor and industrial requirements.
| Purity | Up to 99.999% (5N) |
| Forms | Small chunk sizes or other forms |
| Package | Filled with Argon and vacuum-sealed |
If you require any of this high-purity metal, please contact our sales team for details at sales@american-gmg.com.