Cerium(IV) oxide
ALDRICH/544841 - nanopowder, <25 nm particle size (BET)
Synonym: Cerium dioxide; Cerium(IV) oxide; Ceric oxide; Ceric oxide, ceria
CAS Number: 1306-38-3
Empirical Formula (Hill Notation): CeO2
Molecular Weight: 172.11
EC Number: 215-150-4
MDL Number: MFCD00010933
Linear Formula: CeO2
Product Type: Chemical
| application(s) | battery manufacturing |
| density | 7.13 g/mL at 25 °C (lit.) |
| form | nanopowder |
| greener alternative category | Enabling ![]() |
| greener alternative product characteristics | Design for Energy Efficiency Learn more about the Principles of Green Chemistry . |
| InChI | 1S/Ce.2O |
| InChI key | CETPSERCERDGAM-UHFFFAOYSA |
| particle size | <25 nm (BET) |
| Quality Level | 100 ![]() |
| reaction suitability | reagent type: catalyst core: cerium |
| SMILES string | O=[Ce]=O |
| sustainability | Greener Alternative Product |
| Application: | CeO2nanopowder is utilized in solid oxide fuel cells (SOFCs) due to its ionicconductivity and stability at high temperatures. It is also used in batteriesand supercapacitors to improve performance. Additionally, CeO2 is used as a polishing powder in the glass andsemiconductor industries. Its fine particle size and hardness make it effectivefor achieving high surface finishes on optical components. |
| Application: | The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures. |
| General description: | Cerium(IV)oxide (CeO₂), also known as ceric oxide, ceria, or cerium dioxide, is an oxide of the rare-earth metal cerium. It appears as a white to yellow nanopowder with a particle size of less than 25 nm (BET), exhibiting high surface area and reactivity. It is used in various applications, including catalysis, electrochemical applications, and in glass and ceramics. CeO₂ is widely employed in catalytic converters for automotive applications, where it aids in the reduction of harmful emissions. Additionally, it is used in the production of advanced ceramics, glass polishing, and as a catalyst in various chemical reactions. Its unique properties also make it valuable in solid oxide fuel cells and as a UV filter in sunscreens. We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is intended for Molecular Solar Thermal Energy Storage Systems (MOST) and has been enhanced for energy efficiency. Click here for more information. |
| Legal Information: | Product of Engi-Mat Co. |
| Packaging: | 5, 25 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 7.13 g/mL at 25 °C (lit.) |
| UNSPSC | 26111700 |

