기본 정보
- CAS
12060-58-1- 표준 SMILES
[O-2].[O-2].[O-2].[Sm+3].[Sm+3]- InChIKey
FKTOIHSPIPYAPE-UHFFFAOYSA-N- 분자식
- O3Sm2
- 평균 분자량
- 348.7 g/mol
- 단동위원소 질량
- 351.82420866
이름 및 식별자
- 우선 이름
- Samarium oxide (Sm2O3)
- IUPAC
- tris(oxygen(2-));bis(samarium(3+))
- 현지명
- SAMARIUM 산화물
- 영어명
- Samarium oxide
- 분자식
- O3Sm2
- 분자량
- 348.72
이름 및 동의어
Samarium oxideSamarium(III) oxide12060-58-1SamariaSamarium oxide (Sm2O3)Samarium sesquioxideSamarium trioxideDisamarium trioxideSamarium(3+) oxideSm2O391N8739X2NRefChem:181079
이름 더 보기
SAMARIUM산화물사마륨산화물산화사마륨99.6%samarium(3+)SaMariuM oxidsamariumtrioxideSAMARIUM OXIDE GRSamarium(Ⅲ) oxidesamarium(3+)oxide
DTXCID5030163235-043-6DTXSID4051611Samarium (III) oxideoxygen(2-);samarium(3+)12651-06-8EINECS 235-043-6SAMARIUM OXYDATUM
데이터베이스 식별자
- CAS
12060-58-1、12651-06-8- PubChem CID
- 159425
- DTXSID
DTXSID30925575- UNII
- 91N8739X2N
- EC Number
- 235-043-6
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
Density8.347 @25 °C
Physical Description
Dry Powder
Yellow-white solid; [Merck Index] Insoluble in water; Soluble in acids; [Hawley]
물리화학적 성질
- 녹는점
- 2325 °C · 2325 °C
- 끓는 점
- 4118 °C · 4118.00°C
- 밀도
- 8.35 g/mL · 8.35 g/mL at 25 °C(lit.)
- 굴절률
- 1.97 · 1.97
- 저장 조건
- no restrictions.
- 물리적 상태
- 나노분말
- 색상
- 제비꽃
- Specific Gravity
- 8.347 · 8.347
- 수소이온지수(pH)
- 8 · 8.0 (10g/l, H2O, 25℃)(slurry)
- 수용성
- 물에 불용성.
- 비열
- 0.33 J/ · Cp(crystal): 0.33 J/(g·K), at 25℃
- Merck
- 14 · 14,8347
안전 및 규제
GHS 분류
GHS Classification
This chemical does not meet GHS hazard criteria for 55.4% (129 of 233) of all reports.
Warning
H400 (44.6%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
P273, P391, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 233 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
유해성 정보
Regulatory Information
Chemical: Samarium oxide (Sm2O3)
Samarium oxide (Sm2O3) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Samarium oxide (Sm2O3) 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: 31-05-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/13854
Samarium oxide (Sm2O3): Does not have an individual approval but may be used under an appropriate group standard
Hazards SummarySee Samarium. See RARE EARTH METALS and linked occupational diseases.
Hazard Classes and CategoriesAquatic Acute 1 (44.6%)
안전 및 보호
Protective Action Criteria (PAC)
15 [mg/m3]
170 [mg/m3]
990 [mg/m3]
독성 정보
Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).
화학 및 산업
용도 및 제조
Uses
Used in catalysts, glass, neutron absorbers, and to prepare samarium salts; [Hawley]
Glass Manufacturing [Category: Industry]
U.S. Production2022: 551 lb
Consumer UsesCatalyst
Industry UsesCatalyst
General Manufacturing Information
All Other Basic Inorganic Chemical Manufacturing
Samarium oxide (Sm2O3): ACTIVE
응용 분야
용도Samarium sesquioxide is used in optical and infrared absorbing glass to absorb infrared radiation. Also, it is used as a neutron absorber in control rods for nuclear power reactors. The oxide catalyzes dehydration of acyclic primary alcohols to aldehydes and ketones. Another use involves preparation of other samarium salts.
제조 방법
Samarium sesquioxide may be prepared by two methods; (1) thermal decomposition of samarium carbonate, hydroxide, nitrate, oxalate or sulfate:Sm2(CO3)3 → Sm2O3 + 3CO22Sm(OH)3 → Sm2O3 + 3H2Oor (2) by burning the metal in air or oxygen at a temperature above 150°C:4Sm + 3O2 → 2Sm2O3.
상·하류 제품 정보
상류 원료
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