Ceric oxide

Synonyms

Ceria; Ceric dioxide; Ceric oxide; Cerium dioxide; Cerium(4+) oxide; Molycomp 5310; Needlal; Needlal U15; Needlal W10-01; Needlal W15; Nidoral; Opaline; Cerium oxide (CeO2); [ChemIDplus] Cerium oxide (CeO2); [Merck Index]

Category

Rare Earth Metals

Description

White (pure) to pale yellow crystals; Insoluble in water; [Merck Index]

Sources/Uses

Used to polish and decolorize glass, to opacify enamels, to analyze chemicals, to catalyze organic reactions, and to make coatings for heat-resistant alloys and infrared filters; [Merck Index] Cerium oxide nanoparticles are used in diesel fuel as combustion catalysts; [HSDB] Nanoparticles are used in solar and fuel cells, gas sensors, abrasives, oxygen pumps, and other metallurgic, glass, and ceramic applications; [PMID 21191487]

Comments

Studies indicate that cerium oxide nanoparticles have antiinflammatory effects; [HSDB] See "Cerium." See "RARE EARTH METALS" and linked occupational diseases.

Reference Link #1

Biomedical References

0.002 mg/m3, respiratory fraction (also for cerium compounds)

Yes

Processes

Industrial Processes with risk of exposure:

• Glass Manufacturing