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544841

Sigma-Aldrich

Cerium(IV) oxide

greener alternative

nanopowder, <25 nm particle size (BET)

Sinónimos:

Ceric oxide, Ceric oxide, ceria

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About This Item

Fórmula lineal:
CeO2
Número de CAS:
1306-38-3
Peso molecular:
172.11
Número CE:
215-150-4
Número MDL:
MFCD00010933
Código UNSPSC:
26111700
ID de la sustancia en PubChem:
24878788
NACRES:
NA.23

Formulario

nanopowder

idoneidad de la reacción

reagent type: catalyst
core: cerium

características de los productos alternativos más sostenibles

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

tamaño de partícula

<25 nm (BET)

densidad

7.13 g/mL at 25 °C (lit.)

aplicaciones

battery manufacturing

categoría alternativa más sostenible

Enabling

cadena SMILES

O=[Ce]=O

InChI

1S/Ce.2O

Clave InChI

CETPSERCERDGAM-UHFFFAOYSA-N

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Descripción general

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.

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Aplicación

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

Información legal

Product of Engi-Mat Co.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
MKCX3316
MKCW3131
MKCW8511
MKCT6483
MKCV1880

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Cecilia Mondelli et al.
Chimia, 66(9), 694-698 (2012-12-06)
The heterogeneously catalyzed gas-phase oxidation of HCl to Cl(2) offers an energy-efficient and eco- friendly route to recover chlorine from HCl-containing byproduct streams in the chemical industry. This process has attracted renewed interest in the last decade due to an
Vishal Shah et al.
PloS one, 7(10), e47827-e47827 (2012-10-31)
Cerium oxide nanoparticles have found numerous applications in the biomedical industry due to their strong antioxidant properties. In the current study, we report the influence of nine different physical and chemical parameters: pH, aeration and, concentrations of MgSO(4), CaCl(2), KCl
Dengsong Zhang et al.
Nanoscale, 5(3), 1127-1136 (2013-01-04)
The MnO(x) and CeO(x) were in situ supported on carbon nanotubes (CNTs) by a poly(sodium 4-styrenesulfonate) assisted reflux route for the low-temperature selective catalytic reduction (SCR) of NO with NH(3). X-Ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution TEM (HRTEM)
Gao Li et al.
Chemical communications (Cambridge, England), 48(98), 12005-12007 (2012-11-07)
The Au(25)(SR)(18)/CeO(2) nanocluster catalyst showed high activity in the homocoupling of aryl iodides (e.g. up to 99.8% yield with iodobenzene) and excellent recyclability.
Peng Zhang et al.
ACS nano, 6(11), 9943-9950 (2012-10-27)
Biotransformation is a critical factor that may modify the toxicity, behavior, and fate of engineered nanoparticles in the environment. CeO(2) nanoparticles (NPs) are generally recognized as stable under environmental and biological conditions. The present study aims to investigate the biotransformation
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