La
Light Rare Earth Elements
Lanthanum
Lanthanum is the first element in the lanthanide series and one of the most reactive rare earth elements. It exhibits excellent catalytic properties and is extensively used in petroleum refining, automotive catalytic converters, and advanced optical systems.
Atomic #
57
Atomic Wt
138.905
CAS #
7439-91-0
Purity
99+%
Available Forms
Oxide
Powder
Ingot
Granules
Nanoparticles
Chloride
Fluoride
Purity Grades
99.0%
99.5%
99.9%
99.99%
Applications
Optical & Display
- ✓Camera lenses
- ✓Telescope optics
- ✓Optical coatings
Catalysts
- ✓Petroleum refining catalysts
- ✓FluidFluidized catalytic cracking
- ✓Emission control systems
Metallurgy
- ✓Hydrogen storage alloys
- ✓Metal alloying
Technical Specifications
| Appearance | Gray-white metal |
| Melting Point | 918°C |
| Boiling Point | 3464°C |
| Density | 6.194 g/cm³ |
Storage Requirements
Store in dry environment, away from moisture and oxygen exposure. Inert atmosphere recommended.
Packaging Options
- •1kg bottles
- •5kg bottles
- •25kg bags
- •Bulk drums
Request Lanthanum
Get a custom quote or learn more about our lanthanum supply options.