기본 정보
- 표준 SMILES
[La+3].[La+3].[O-2].[O-2].[O-2]- InChIKey
MRELNEQAGSRDBK-UHFFFAOYSA-N- 분자식
- La2O3
- 평균 분자량
- 325.809 g/mol
이름 및 식별자
- 우선 이름
- Lanthanum sesquioxide
- IUPAC
- bis(lanthanum(3+));tris(oxygen(2-))
이름 및 동의어
Lanthanum oxide1312-81-8LanthanaLanthanum sesquioxideLanthanum oxide (La2O3)Dilanthanum trioxideDilanthanum oxideLanthanum(3+) oxideLanthanum trioxideLanthania (La2O3)4QI5EL790WLa(2)O(3)
이름 더 보기
RefChem:152325DTXCID4030209215-200-5682-684-6DTXSID7051478Lanthanum(III) oxideLanthanum(III)OxideLa2O3
데이터베이스 식별자
- CAS
1312-81-8- PubChem CID
- 150906
- UNII
- 4QI5EL790W
- EC Number
- 215-200-5、682-684-6
물성
구조 계산 물성
- 극성 표면적
- 3 Ų
- 수소 결합 공여자 수
- 0
- 수소 결합 수용자 수
- 3
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 5
- 형식 전하
- 0
- 복잡도
- 0
실험 및 물리화학적 성질
Chemical ClassesMetals -> Rare Earth Metals
SpringerMaterials Propertiesdielectric constant
Density6.51 @25 °C
Boiling Point3620 °C @760 [mm Hg]
Melting Point2304 °C
Physical Description
Other Solid; Dry Powder; Large Crystals
White solid; Insoluble in water; [Merck Index] Soluble in acids; [Hawley]
안전 및 규제
GHS 분류
GHS Classification
This chemical does not meet GHS hazard criteria for 59.9% (370 of 618) of all reports.
Warning
H315 (39.5%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 618 reports by companies from 15 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Not Classified
유해성 정보
Regulatory Information
Chemical: Lanthanum oxide (La2O3)
Lanthanum oxide (La2O3) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Lanthanum oxide (La2O3) 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: 24-01-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/15267
Lanthanum oxide (La2O3): Does not have an individual approval but may be used under an appropriate group standard
Hazards SummarySee Lanthanum. See RARE EARTH METALS and linked occupational diseases.
Hazard Classes and Categories
Skin Irrit. 2 (39.5%)
Not Classified
안전 및 보호
Protective Action Criteria (PAC)
30 [mg/m3]
330 [mg/m3]
2000 [mg/m3]
독성 정보
Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).
화학 및 산업
용도 및 제조
Uses
Used in calcium lights, optical glass, ceramics, carbon-arc electrodes, phosphors, and refractories; [Hawley]
Glass Manufacturing [Category: Industry]
U.S. Production2023: 40,000,000 - <55,000,000 lb
Consumer UsesCatalyst
Industry UsesCatalyst
General Manufacturing Information
All Other Chemical Product and Preparation Manufacturing
Lanthanum oxide (La2O3): ACTIVE
관련 반응
21건
연결된 노트
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