Cerium
Cerium (Ce, CAS: 7440-45-1) is a soft, silvery-white, reactive metal. As a rare-earth metal, it is known for its catalytic properties and its role in various materials science applications. With a molecular weight of 140.12 g/mol, Cerium finds use in chemical synthesis, metallurgy, and the development of advanced materials. Its high reactivity and unique electronic structure make it valuable in specialized industrial processes.
Catalysis
Cerium compounds are extensively used as catalysts in automotive catalytic converters to reduce emissions. Its ability to cycle between oxidation states is key to this application.
Materials Science
It is incorporated into alloys to improve properties such as strength and corrosion resistance. Cerium is also used in the production of specialized glass and ceramics.
Chemical Synthesis
As a reducing agent and in the form of various compounds, cerium plays a role in organic synthesis. It is particularly useful in certain specific reduction reactions.
Metallurgy
Cerium is added to steel and other metals to improve their malleability and resistance to oxidation. It is a crucial component in mischmetal, an alloy used in lighter flints.
| Molecular weight | 140.12 |
|---|---|
| Empirical formula | Ce |
| Assay | 99.9% trace metals basis |
| Form | powder |
| Boiling point | 3443 °C(lit.) |
| Density | 6.67 g/mL at 25 °C(lit.) |
| Particle size | −40 mesh |
| Melting point | 795 °C(lit.) |
Hazard statements
- H228Flammable solid
- H261In contact with water releases flammable gas
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P231Handle under inert gas
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P422
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3078 4.3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-14/15-20/21/22-36/37/38 |
| Safety statements (S) | 16-26-36/37/39-43 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 73 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 Cerium (CAS 7440-45-1) used for?
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Cerium (CAS 7440-45-1) is used in catalysis, materials science, chemical synthesis, and metallurgy. It is notably employed in automotive catalytic converters, alloys, and as a reducing agent in chemical reactions.
What are the CAS number and formula for Cerium?
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The CAS number for Cerium is 7440-45-1 and its chemical formula is Ce.
What grade and purity does Tech Serve Solutions supply for Cerium?
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Tech Serve Solutions supplies Cerium with a purity of 99.9% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How is Cerium safely handled?
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Cerium is a flammable solid that reacts with water to produce flammable gas and is harmful if swallowed, in contact with skin, or if inhaled. It also causes skin and serious eye irritation and may cause respiratory irritation. Handle with appropriate personal protective equipment including eyeshields, gloves, and respiratory protection. Avoid contact with water and ignition sources. Store under inert gas.
How is Cerium packed, shipped, and exported by TSS?
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Cerium is shipped as UN 3078, Hazard Class 4.3, Packing Group II. Tech Serve Solutions is experienced in the global export of hazardous materials, adhering to all international shipping regulations.
How can I request a sample or quote for Cerium?
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To request a sample or a quote for Cerium, please contact our sales team through the website or call us directly. Please specify the quantity required.
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