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12925 Cerium(IV) oxide, 99.5% (REO)

CAS Number
1306-38-3
Synonyms

Stock No. Size Price ($) Quantity Availability
12925-22 100g 56.10
12925-36 500g 219.00
12925-A3 2kg 723.00
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Cerium(IV) oxide, 99.5% (REO)

MDL
MFCD00010933
EINECS
215-150-4

Chemical Properties

Formula
CeO2
Formula Weight
172.12
Form
Powder
Melting point
2600°
Density
7.132
Storage & Sensitivity
Ambient temperatures.
Solubility
Insoluble in water.

Applications

Cerium(IV) oxide is used in ceramics, and to polish glass and stones. It is applied as solid electrolyte in fuel cells. It can also be employed as a co-catalyst in many number of reactions. It is also used as an antioxidant, and to generate hydrogen through water splitting. It is used as a high-temperature hydrocarbon oxidation catalyst in self-cleaning ovens. It can be used in infrared filters, incandescent mantles, and sunscreens in combination with other materials. It finds use as a catalyst support, and to sensitize photosensitive glass.

Notes

Reacts with strong acids or alkalis. Slightly hygroscopic. The powdered cerium dioxide can absorb small quantities of carbon dioxide from air.

Literature References

Munnings, C; Badwal, S .P .S; Fini, D. Spontaneous stress-induced oxidation of Ce ions in Gd-doped ceria at room temperature. Ionics 2014, 20 (8), 1117-1126.

Badwal, S. P. S.; Fini, D.; Ciacchi, F. T.; Munnings, C.; Kimpton, J. A.; Drennan, J. Structural and Microstructural Stability of Ceria-Gadolinia Electrolyte Exposed to Reducing Environments of High Temperature Fuel Cells. J. Mater. Chem. 2013, 1, 10768-10782.

Other References

Merck
14,1989
Harmonized Tariff Code
2846.10
TSCA
Yes
RTECS
FK6310000

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