Ceria

HCID 73963CAS 1306-38-3

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Grundinformationen

Standard-SMILES: [O]=[Ce]=[O]
InChIKey: CETPSERCERDGAM-UHFFFAOYSA-N
Summenformel: CeO2
Durchschnittliche Molmasse: 172,115 g/mol

Überblick

Ceric oxide is a metal oxide with formula CeO2. It is used for polishing glass, in coatings for infra-red filters to prevent reflection, and as an oxidant and catalyst in organic synthesis. It is a metal oxide and a cerium molecular entity.

Namen und Bezeichner

Bevorzugter Name: Ceria
IUPAC: dioxocerium

Namen und Synonyme

Ceric oxide1306-38-3CeriaCeric dioxideCerium(IV)dioxideNeedlalNidoralOpalineCerium(4+) oxideNeedlal U15Needlal W15Molycomp 5310

Weitere Namen anzeigen

CHEBI:79089619G5K328YCerium OxydatumRefChem:58009DTXCID801509322215-150-4DTXSID4040214Cerium dioxide

Datenbank-Bezeichner

CAS: 1306-38-3
PubChem CID: 73963
ChEBI: CHEBI:79089
EC Number: 215-150-4
Nikkaji: J308.974F

Eigenschaften

Berechnete Struktureigenschaften

Polarare Oberfläche (TPSA): 34,1 Å²
H-Brücken-Donoren: 0
H-Brücken-Akzeptoren: 2
Frei drehbare Bindungen: 0
Schwere Atome: 3
Formalladung: 0
Komplexität: 18,3

Experimentelle und physikochemische Eigenschaften

Chemical ClassesMetals -> Rare Earth Metals

PesticidesPesticide -> EPA IRIS

Density7.65 @25 °C

Melting Point2600 °C

Physical Description · 2 Einträge

Dry Powder; Other Solid; Dry Powder; Other Solid; Wet Solid; Large Crystals; CBI

White (pure) to pale yellow crystals; Insoluble in water; [Merck Index]

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 5 Einträge

Not Classified

Aggregated GHS information provided per 651 reports by companies from 11 notifications to the ECHA C&L Inventory.

Danger

H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]

P260, P264, P270, P308+P316, P319, P405, and P501 (click each P-code to see the statement)

Gefahrenhinweise

Regulatory Information · 4 Einträge

Chemical: Cerium oxide, (CeO2)

Cerium oxide (CeO2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Cerium oxide (CeO2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 10-02-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/15783

Cerium (IV) oxide: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - Cerium oxide, (CeO2): Human health tier I assessment

Hazards SummaryStudies indicate that cerium oxide nanoparticles have antiinflammatory effects; [HSDB] See Cerium. See RARE EARTH METALS and linked occupational diseases.

Hazard Classes and Categories · 2 Einträge

Not Classified

Specific target organ toxicity - Single exposure - Category 2 (lung)

Sicherheit und Schutzausrüstung

Exposure Control and Personal Protection0.002 [mg/m3], respiratory fraction (also for cerium compounds)[German Research Foundation (DFG)]

Protective Action Criteria (PAC) · 3 Einträge

15 [mg/m3]

170 [mg/m3]

990 [mg/m3]

Toxikologische Informationen

Target OrgansRespiratory

Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).

EPA IRIS Information · 3 Einträge

Cerium Oxide and Cerium Compounds

Respiratory

9 x 10 ^-4 mg/m^3

RAIS Toxicity Values · 2 Einträge

0.0009

IRIS Current

Hazard Quotient Level 0.1 or Cancer Risk Level 1E-06 · 6 Einträge

1.30e+06

5.40e+06

9.40e-01

3.90e+00

5.00e+00

9.00e-04

Hazard Quotient Level 3 or Cancer Risk Level 1E-04 · 6 Einträge

3.80e+06

1.60e+07

2.80e+00

1.20e+01

5.00e+00

9.00e-04

Chemie und Industrie

Verwendung und Herstellung

Uses · 2 Einträge

Used to polish and decolorize glass, to opacify enamels, to analyze chemicals, to catalyze organic reactions, and to make coatings for heat-resistant alloys and infrared filters; [Merck Index] Cerium oxide nanoparticles are used in diesel fuel as combustion catalysts; [HSDB] Nanoparticles are used in solar and fuel cells, gas sensors, abrasives, oxygen pumps, and other metallurgic, glass, and ceramic applications; [PMID 21191487]

Glass Manufacturing [Category: Industry]

U.S. Production2023: 2,500,000 - <4,000,000 lb

Consumer UsesAbrasives

Industry UsesDrier

General Manufacturing Information · 2 Einträge

All Other Basic Inorganic Chemical Manufacturing

Cerium oxide (CeO2): ACTIVE