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634174

Sigma-Aldrich

Cerium(IV)-zirconium(IV) oxide

greener alternative

nanopowder, <50 nm particle size (BET), 99.0% trace metals basis

Synonym(s):

Cerium zirconate (IV)

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About This Item

Linear Formula:
(CeO2)·(ZrO2)
CAS Number:
53169-24-7
Molecular Weight:
295.34
EC Number:
258-407-6
MDL number:
MFCD04039951
UNSPSC Code:
12352302
PubChem Substance ID:
24882607
NACRES:
NA.23

Assay

99.0% trace metals basis

form

nanopowder

reaction suitability

reagent type: catalyst
core: cerium

greener alternative product characteristics

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

sustainability

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particle size

<50 nm (BET)

density

6.61 g/mL at 25 °C (lit.)

greener alternative category

Enabling

SMILES string

O=[Zr]=O.O=[Ce]=O

InChI

1S/Ce.4O.Zr

InChI key

WKROXIWGJAIPLZ-UHFFFAOYSA-N

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General description

CeO2-ZrO2 composites have a good crystal structure, higher specific surface area, lower band-gap energy, and smaller grain size. It forms p-n heterojunction and is widely used in the field of photocatalysis and oxygen storage.
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Application

CeO2-ZrO2 can be used as a catalyst for water-splitting reactions and photocatalytic degradation of organic pollutants.

Pt/CeO2–ZrO2 can be used as a catalyst in the dry reformation of methane.

It can also be used to prepare optically passive electrodes for solid-state electrochromic devices.

Features and Benefits

  • Non-toxic
  • High photocatalytic activity
  • Good stability
Optically passive electrode for solid state electrochromic devices.

Legal Information

Product of Engi-Mat Co.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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