Erbium
Erbium (Er, CAS 7440-52-0), a rare earth metal with a molar mass of 167.26 g/mol, exhibits a distinctive pink hue and unique optical properties. It is primarily utilised in specialised applications within catalysis, materials science, and chemical synthesis. Erbium's distinct characteristics make it valuable for research and industrial processes requiring specific light absorption and emission wavelengths, as well as in alloys and specialised glass manufacturing.

Catalysis
Erbium compounds can act as catalysts or co-catalysts in various organic transformations. Its unique electronic structure allows for novel catalytic activities in specific chemical reactions, contributing to efficient synthesis pathways.
Materials Science
As a rare earth element, erbium is incorporated into alloys to enhance specific properties. It is also used in the development of phosphors and specialty glasses, leveraging its unique luminescence and optical absorption characteristics.
Chemical Synthesis
Erbium compounds serve as reagents or intermediates in complex chemical syntheses. They are employed in research settings for developing new compounds and advanced materials with tailored functionalities.
| Molecular weight | 167.26 |
|---|---|
| Empirical formula | Er |
| Assay | 99.9% trace metals basis |
| Form | ingot |
| Boiling point | 2868 °C(lit.) |
| Density | 9.062 g/mL at 25 °C(lit.) |
| Melting point | 1529 °C(lit.) |
| 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 | 86 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 Erbium (CAS 7440-52-0) used for?
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Erbium (CAS 7440-52-0) is used in catalysis, materials science, and chemical synthesis, particularly for its optical properties and role in alloys and specialty glasses.
What is the CAS number and formula for Erbium?
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The CAS number for Erbium is 7440-52-0 and its formula is Er.
What grade and purity does Tech Serve Solutions supply for Erbium?
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Tech Serve Solutions supplies Erbium with an assay of 99.9% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How is Erbium handled and what are the safety considerations?
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Handle Erbium with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It carries a WGK Germany rating of 3, indicating it is hazardous to water.
How is Erbium packed and shipped by Tech Serve Solutions?
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Erbium is carefully packed for secure transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for Erbium?
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To request a quote or sample for Erbium, please contact our sales team through the website or by phone.
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