dioxocerium

• ChemBase ID: 108409
• Molecular Formular: CeO2
• Molecular Mass: 172.1148
• Monoisotopic Mass: 171.89526724
• SMILES: O=[Ce]=O
• Canonical SMILES: O=[Ce]=O
• InChI: InChI=1S/Ce.2O
• InChIKey: CETPSERCERDGAM-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dioxocerium
• IUPAC Traditional name: dioxocerium; cerium(III) oxide
• Synonyms: Ceric oxide, ceria; Ceric oxide; CERIC OXIDE HYDRATE; Cerium(IV) oxide; Cerium(IV) oxide, dispersion; Cerium(IV) oxide, dispersion; 二氧化铈; 二氧化铈，铈土; 氧化铈(IV); 氧化铈(IV)，分散体; 氧化铈(IV)，分散体

Database IDs

• CAS Number: 1306-38-3
• EC Number: 215-150-4
• MDL Number: MFCD00010933
• PubChem SID: 24861568; 24852135; 24857210; 24883242; 162095480; 24878788; 24861091; 24852694
• PubChem CID: 73963

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -0.7028
• LogD (pH = 7.4): -0.7028
• Log P: -0.7028
• Molar Refractivity: 2.8858 cm^3
• Polarizability: 7.5321007 Å^3
• Polar Surface Area: 34.14 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: dispersion; fused; granular; nanoparticles; nanopowder; pieces; powder; solid
• Density: 1.22 g/mL at 25 °C; 7.13 g/mL at 25 °C(lit.)
• Viscosity: 10 cP(lit.)
• pH: ~2.7

Safety Information

• RTECS: FK6310000
• German water hazard class: 1
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter

Product Information

• Purity: >99.95% trace rare earth metals basis; ≥99.0%; 90%; 99.5%; 99.9% trace metals basis; 99.995% trace metals basis
• Concentration: 10 wt. % in H2O; 20 wt. % colloidal dispersion in 2.5% acetic acid
• Grade: coating quality
• Particle Size: <25 nm; <25 nm (BET); <5 μm; <50 nm (BET); 0.7-3.5 mm; 3-6 mm
• Surface Area: spec. surface area 30 m2/g (BET)
• Loss on Drying: ≤0.5% loss on ignition
• Bulk Density: 0.53 g/cm3
• Avg. Particle Size: 10-20 nm
• Linear Formula: CeO2

DETAILS

Sigma Aldrich - C8877

Application
将 CeO2 加入到 CuO/TiO2 中增加了比表面积并且抑制了高温下的烧结和孔径增大。1

Sigma Aldrich - 643009

Features and Benefits
No dispersant added
Packaging
100, 250 mL in glass bottle

Sigma Aldrich - 342955

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
Suitable for vacuum deposition.
Packaging
50 g in poly bottle

Sigma Aldrich - 22390

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
Packaging
100, 500 g in poly bottle

Sigma Aldrich - 544841

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
Packaging
25 g in poly bottle
5 g in glass bottle

Sigma Aldrich - 202975

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
Packaging
10, 50 g in poly bottle

Sigma Aldrich - 211575

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
Packaging
100, 500 g in poly bottle

Sigma Aldrich - 700290

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
General description
cubic crystal structure (XRD)
Packaging
25, 100 g in poly bottle

Sigma Aldrich - 348341

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
Packaging
100 g in poly bottle

Sigma Aldrich - 22414

Application
The additon of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures.1
Other Notes
Sales restrictions may apply

Sigma Aldrich - 289744

Packaging
500 g in glass bottle