Lutetium
Lutetium (Lu, CAS 7439-94-3) is a rare earth metal with a molar mass of 174.97 g/mol. Supplied by TSS as a high-purity ingot (99.9% trace metals basis), it exhibits a high melting point and specific electrical resistivity. Lutetium finds applications in specialized areas including catalysis, chemical synthesis, and materials science, leveraging its unique metallic properties for advanced research and industrial processes.

Catalysis
Lutetium can serve as a component in catalytic systems, particularly in heterogeneous catalysis for specific chemical transformations. Its unique electronic structure may offer distinct catalytic activity or selectivity in certain reactions.
Chemical Synthesis
As a rare earth element, lutetium and its compounds can be employed as reagents or catalysts in complex organic and inorganic synthesis pathways. It is valuable in developing novel synthetic methodologies.
Materials Science
Lutetium's metallic properties, such as its high density and melting point, make it of interest in materials science. It can be investigated for use in alloys, advanced ceramics, or specialised coatings.
Research and Development
Lutetium is a valuable element for fundamental research across various scientific disciplines. Its availability in high purity supports exploration in fields like nuclear medicine and advanced metallurgy.
| Molecular weight | 174.97 |
|---|---|
| Empirical formula | Lu |
| Assay | 99.9% trace metals basis |
| Form | ingot |
| Boiling point | 3402 °C(lit.) |
| Density | 9.84 g/mL at 25 °C(lit.) |
| Melting point | 1663 °C(lit.) |

Hazard statements
- H228Flammable solid
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 54 μΩ-cm, 20°C |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Lutetium (CAS 7439-94-3) used for?
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Lutetium (CAS 7439-94-3) is used in catalysis, chemical synthesis, materials science, and general research and development due to its unique properties as a rare earth metal.
What is the CAS number and formula for Lutetium?
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The CAS number for Lutetium is 7439-94-3 and its formula is Lu.
What grade and purity does Tech Serve Solutions supply for Lutetium?
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Tech Serve Solutions supplies Lutetium as an ingot with an assay of 99.9% trace metals basis. TSS does not represent this product as USP, EP, BP, or any other pharmacopoeia grade.
How should Lutetium be handled safely?
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Lutetium is a flammable solid (H228) and requires careful handling. Use safety precautions including eyeshields, gloves, and a P1 (EN143) or N95 (US) respirator. Store away from ignition sources.
How is Lutetium packed and shipped by TSS?
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Lutetium is typically supplied as an ingot. For detailed information on packing and export capabilities, please contact our sales team.
How can I request a quote or sample for Lutetium?
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To request a quote or sample for Lutetium, please contact the Tech Serve Solutions sales department via our website or direct contact details.
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