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700290

Cerium oxide

Name: Cerium oxide
Brand: ALDRICH

nanopowder, <50 nm particle size (BET), 99.95% trace rare earth metals basis

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Synonym(s):

Cerium(IV) oxide, Cerium dioxide, Ceric oxide, Ceric oxide, ceria

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About This Item

Linear Formula:

CeO₂

CAS Number:

1306-38-3

Molecular Weight:

172.11

NACRES:

NA.23

PubChem Substance ID:

329762193

UNSPSC Code:

12352302

EC Number:

215-150-4

MDL number:

MFCD00010933

eCl@ss:

38160411

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Properties

Product Name

Cerium(IV) oxide, nanopowder, <50 nm particle size (BET), 99.95% trace rare earth metals basis

Quality Segment

100

assay

99.95% trace rare earth metals basis

form

nanopowder

composition

CeO₂

reaction suitability

core: cerium

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surface area

30 m²/g , BET

particle size

<50 nm (BET)

density

7.13 g/mL at 25 °C (lit.)

bulk density

0.53 g/cm³

application(s)

catalysts
glass & ceramic
photonic precursors

greener alternative category

Enabling

SMILES string

O=[Ce]=O

InChI

1S/Ce.2O

InChI key

CETPSERCERDGAM-UHFFFAOYSA-N

Description

General description

Cerium(IV) oxide (CeO₂) is a class of rare earth materials which can be synthesized by a variety of methods which include thermal hydrolysis and hydrothermal method. Its properties include a high refractive index, and dielectric constant.

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Application

CeO₂ nanopowder can be used for a variety of applications such as biomedicine, semiconductors, and coating applications.

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

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Storage Class

13 - Non Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)