Lanthanum
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기본 정보
- CAS
13864-01-2- 표준 SMILES
[La]- InChIKey
FZLIPJUXYLNCLC-UHFFFAOYSA-N- 분자식
- La
- 평균 분자량
- 138.9055 g/mol
- 단동위원소 질량
- 138.9063533
개요
Lanthanum(2+) is a lanthanum cation, a monoatomic dication, a lanthanum molecular entity and a divalent metal cation.
이름 및 식별자
- 우선 이름
- Lanthanum
- IUPAC
- lanthanum
- 영어명
- Lanthanum
- 분자식
- La
- 분자량
- 0
이름 및 동의어
LANTHANUM7439-91-0LADTXSID0064676CHEBI:333366I3K30563SLanthanum MetallicumRefChem:55452DTXCID8047638231-099-0lantanolanthane
이름 더 보기
Lanthanlanthanum atomLanthanum ingotlanthanum(2+)MFCD0001106657LaLanthanum, (ingot)Lanthanum ion(2 )
데이터베이스 식별자
- CAS
13864-01-2、17643-88-8、7439-91-0- PubChem CID
- 23926
- DTXSID
DTXSID0064676- ChEBI
CHEBI:37317- UNII
- 6I3K30563S
- EC Number
- 231-099-0
- Nikkaji
- J95.807G、J96.333J
물성
구조 계산 물성보충 중
- 극성 표면적
- 0 Ų
- 수소 결합 공여자 수
- 0
- 수소 결합 수용자 수
- 0
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 1
- 형식 전하
- 0
- 복잡도
- 0
실험 및 물리화학적 성질
Chemical ClassesMetals -> Rare Earth Metals
SpringerMaterials Propertieselectron density of states
Density6.166 @25 °C
Boiling Point3464 °C @760 [mm Hg]
Melting Point920 °C
Physical Description
Other Solid
White, malleable metal that oxidizes in air; [Merck Index]
Liquid
안전 및 규제
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
GHS 분류
GHS Classification
This chemical does not meet GHS hazard criteria for 58.9% (146 of 248) of all reports.
Danger
H228 (23.4%): Flammable solid [Danger Flammable solids]
P210, P223, P231+P232, P240, P241, P280, P302+P335+P334, P370+P378, P402+P404, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 248 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
유해성 정보
Regulatory Information
Chemical: Lanthanum
Lanthanum is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Lanthanum 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: 23-03-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/5925
Lanthanum: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazards Summary
Low to moderate acute toxicity rating; [Reference #1] A printer and a movie projectionist exposed to rare earth metals in dusts of cored carbon arc lamps retained lanthanum in their lungs. Side effects (not dose dependent) of the drug lanthanum carbonate include diarrhea, vomiting, and abdominal pain. No liver toxicity has been reported. [Nordberg, p. 906-7] See RARE EARTH METALS and linked occupational diseases.
Hazard Classes and CategoriesFlam. Sol. 1 (23.4%)
안전 및 보호
Protective Action Criteria (PAC)
화학 및 산업
용도 및 제조
Uses
Used as a calcium antagonist in biology research; Used in optical glass; [ChemIDplus] Natural isotopes are stable La-139 (99.9%) and radioactive La-138 (0.09%); Derived from the minerals monazite, bastnaesite, and cerite; [Merck Index] Used to make carbon lighting, alkali-resistant glass, optical glass, and nodular caste iron; [Reference #1] Used in special optical glasses (infra-red-absorbing glass, camera and telescope lenses) and in small amounts to improve malleability of steel; Also used as catalysts (cracking in petroleum refining and automotive catalytic converters), in nickel-metal-hydride rechargeable batteries, and in water treatment; Lanthanum carbonate is used as a drug to reduce serum phosphate levels in patients with kidney failure; [Nordberg, p. 903]
Metal Preparation and Pouring [Category: Foundry]
U.S. Production2023: 75,000 - <500,000 lb
Consumer UsesIntermediate
Industry UsesIntermediate
General Manufacturing Information
Fabricated Metal Product Manufacturing
Lanthanum: ACTIVE
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