202975 Sigma-Aldrich

Cerium(IV) oxide

powder, 99.995% trace metals basis

Synonym: Ceric oxide, ceria, Ceric oxide



Related Categories Alternative Energy, Catalysis and Inorganic Chemistry, Cerium, Cerium Catalysts, Chemical Synthesis,
assay   99.995% trace metals basis
form   powder
reaction suitability   reagent type: catalyst
core: cerium
density   7.13 g/mL at 25 °C (lit.)
storage temp.   room temp
SMILES string   O=[Ce]=O
InChI   1S/Ce.2O



10, 50 g in poly bottle


The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles


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Material Matters, Volume 7, Number 2, 22–27
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Global energy consumption is on the rise and is projected to double by 2050, compared with worldwide energy consumption rates in 2001.1 Sustainable energy production based on the direct conversion of...
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Metal Hydrides for NiMH Battery Applications

Rechargeable solid-state batteries are becoming increasingly important due to wide-spread use in computers, portable electronics, and vehicular applications. The Partnership for a New Generation of V...
Dhanesh Chandra,* Wen-Ming Chien and Anjali Talekar
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Superconductors - Chemfiles Volume 5 Article 13

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Ultra Pure Metal Oxides for High Technology Applications

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