기본 정보
- 표준 SMILES
[O]=[Ce]=[O]- InChIKey
CETPSERCERDGAM-UHFFFAOYSA-N- 분자식
- CeO2
- 평균 분자량
- 172.115 g/mol
개요
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.
이름 및 식별자
- 우선 이름
- Ceria
- IUPAC
- dioxocerium
이름 및 동의어
Ceric oxide1306-38-3CeriaCeric dioxideCerium(IV)dioxideNeedlalNidoralOpalineCerium(4+) oxideNeedlal U15Needlal W15Molycomp 5310
이름 더 보기
CHEBI:79089619G5K328YCerium OxydatumRefChem:58009DTXCID801509322215-150-4DTXSID4040214Cerium dioxide
데이터베이스 식별자
- CAS
1306-38-3- PubChem CID
- 73963
- ChEBI
CHEBI:79089- EC Number
- 215-150-4
- Nikkaji
- J308.974F
물성
구조 계산 물성
- 극성 표면적
- 34.1 Ų
- 수소 결합 공여자 수
- 0
- 수소 결합 수용자 수
- 2
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 3
- 형식 전하
- 0
- 복잡도
- 18.3
실험 및 물리화학적 성질
Chemical ClassesMetals -> Rare Earth Metals
PesticidesPesticide -> EPA IRIS
Density7.65 @25 °C
Melting Point2600 °C
Physical Description
Dry Powder; Other Solid; Dry Powder; Other Solid; Wet Solid; Large Crystals; CBI
White (pure) to pale yellow crystals; Insoluble in water; [Merck Index]
안전 및 규제
GHS 분류
GHS Classification
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)
유해성 정보
Regulatory Information
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
Not Classified
Specific target organ toxicity - Single exposure - Category 2 (lung)
안전 및 보호
Exposure Control and Personal Protection0.002 [mg/m3], respiratory fraction (also for cerium compounds)[German Research Foundation (DFG)]
Protective Action Criteria (PAC)
15 [mg/m3]
170 [mg/m3]
990 [mg/m3]
독성 정보
Target OrgansRespiratory
Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).
EPA IRIS Information
Cerium Oxide and Cerium Compounds
Respiratory
9 x 10 ^-4 mg/m^3
RAIS Toxicity Values
0.0009
IRIS Current
Hazard Quotient Level 0.1 or Cancer Risk Level 1E-06
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
3.80e+06
1.60e+07
2.80e+00
1.20e+01
5.00e+00
9.00e-04
화학 및 산업
용도 및 제조
Uses
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
All Other Basic Inorganic Chemical Manufacturing
Cerium oxide (CeO2): ACTIVE
관련 반응
5건
연결된 노트
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