This product is considered research grade cerium oxide, suitable for general laboratory use. The minimum purity of this material is 99.95%. The purity is verified as "meets specifications" on the lot specific Certificate of Analysis. Please navigate to the ‘DOCUMENTATION’ section of the Product Detail Page to access a sample or lot-spacific Certificate under ‘Certificate of Analysis’: https://www.sigmaaldrich.com/product/aldrich/700290#product-documentation
700290
Cerium oxide
nanopowder, <50 nm particle size (BET), 99.95% trace rare earth metals basis
Sustainability features
Synonym(s):
Cerium dioxide, Cerium(IV) oxide, Ceric oxide, Ceric oxide, ceria
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| Size/SKU | Availability | Price |
|---|---|---|
25 g | Available to ship TODAY | $110.00 $115.00 |
100 g | Estimated to ship onDecember 29, 2026fromMILWAUKEE | $360.00 |
About This Item
Linear Formula:
CeO2
CAS Number:
Molecular Weight:
172.11
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-150-4
MDL number:
eCl@ss:
38160411
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Product Name
Cerium(IV) oxide, nanopowder, <50 nm particle size (BET), 99.95% trace rare earth metals basis
Quality Segment
assay
99.95% trace rare earth metals basis
form
nanopowder
composition
CeO2
reaction suitability
core: cerium
greener alternative product characteristics
Design for Energy Efficiency
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sustainability
Greener Alternative Product, Sustainability features
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
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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This Item | |||
|---|---|---|---|
| description nanopowder, <50 nm particle size (BET), 99.95% trace rare earth metals basis | description powder, <5 μm, 99.9% trace metals basis | description powder, 99.995% trace metals basis | description ≥99.0% |
| reaction suitability core: cerium | reaction suitability reagent type: catalyst | reaction suitability reagent type: catalyst | reaction suitability reagent type: catalyst, core: cerium |
| assay 99.95% trace rare earth metals basis | assay 99.9% trace metals basis | assay 99.995% trace metals basis | assay ≥99.0% |
| form nanopowder | form powder | form powder | form solid |
| Quality Level 100 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| density 7.13 g/mL at 25 °C (lit.) | density 7.13 g/mL at 25 °C (lit.) | density 7.13 g/mL at 25 °C (lit.) | density 7.13 g/mL at 25 °C (lit.) |
| greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency |
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Storage Class
13 - Non Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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Is it an analytical grade product? Is there a purity certification? Is it an analytical grade product? Is there a purity certification? Italian English (US) Tone Italian English (US) Tone
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Is there any information on the particles morphology?
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The surface morphology of this product is not controlled. However, information on surface area and particle size is available, with values of 30 m²/g and less than 50 nm, respectively.
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