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- About Us
Magnesium
Magnesium (Mg) is a lightweight, silvery-white alkaline earth metal known for its high strength-to-weight ratio, excellent machinability, and superior thermal conductivity. It is widely used in aerospace, automotive, electronics, and biomedical sectors.
Goodfellow’s magnesium product range, which includes Magnesium Sputtering Targets, Magnesium Pellets, and Magnesium Thin Films, supports advanced research and industrial applications. Magnesium plays a crucial role in the development of lightweight alloys, energy storage systems, and thin-film coatings. With specialized options like light-tight foil and precision wire, Goodfellow’s magnesium offerings enable laboratory researchers and R&D professionals to explore practical solutions for improving efficiency in manufacturing and material design.
Properties
Identifiers
Isotopes
Applications
Grades
Synonyms
General Properties
| Property | Value |
|---|---|
| Atomic Number | 12 |
| Density | 1.74 g/cm³ |
| Melting Point | 650 °C |
| Boiling Point | 1090 °C |
| Thermal Conductivity | 156 W/m·K |
| Electrical Resistivity | 45.4 nΩ·m |
| Crystal Structure | Hexagonal close-packed (HCP) |
Mechanical Properties
| Property | Value |
|---|---|
| Hardness | Mohs ~2.5 |
| Elastic Modulus | 45 GPa |
| Poisson’s Ratio | 0.29 |
Chemical Properties
| Property | Value |
|---|---|
| Corrosion Resistance | Prone to oxidation; requires protective coatings or alloying |
| Reactivity | Highly reactive; burns with bright white flame |
| Oxidation States | +2 |
| Surface Oxide | Magnesium oxide (MgO) |
| Identifier | Value |
|---|---|
| Symbol | Mg |
| Atomic Number | 12 |
| CAS Number | 7439-95-4 |
| UN Number | UN1418 (powder) |
| EINECS Number | 231-104-6 |
| Isotope | Type | Notes |
|---|---|---|
| Mg-24 | Stable | 78.99% natural abundance |
| Mg-25 | Stable | 10.00% natural abundance |
| Mg-26 | Stable | 11.01% natural abundance |
Scientific Applications
| Use Case | Description |
|---|---|
| Alloy Development | Used in studying lightweight structural alloys |
| Biomedical Implants | Investigated for biodegradable medical implants |
| Energy Storage Research | Explored in next-gen Mg-ion batteries |
| Combustion Studies | Used in studying metal combustion and thermochemistry |
| Thin Film Coatings | Used in PVD coatings for lightweight applications |
Industrial Applications
| Use Case | Description |
|---|---|
| Automotive | Used in engine blocks, wheels, and housings to reduce weight |
| Aerospace | Applied in lightweight structural components |
| Consumer Electronics | Used in casings for laptops and smartphones |
| Metal Reduction | Used as a reducing agent in titanium and uranium production |
| Additive Manufacturing | Emerging use in 3D printing for lightweight parts |
| Grade | Description |
|---|---|
| 99.8% | Suitable for general laboratory use, pyrotechnics, and reduction reactions |
| 99.9% | High-purity form for electronics and alloy preparation |
| 99.97% | Ultra-high-purity for specialized research and precision alloys |
| AZ31 | Magnesium-aluminum-zinc alloy with good strength and weldability; used in automotive panels and aerospace |
| AZ61 | Higher aluminum content for increased strength; used in forgings and structural parts |
| AJ62 | Magnesium alloy with aluminum and strontium; offers excellent creep resistance for high-temperature automotive use |
| EV31A | Rare earth-based alloy (Nd, Gd) offering excellent strength and corrosion resistance; used in aerospace and motorsport applications |
| Synonym |
|---|
| Mg |
| Elemental Magnesium |
| Magnesium Metal |