기본 정보
- CAS
11113-81-8- 표준 SMILES
[O-2].[O-2].[O-2].[Pr+3].[Pr+3]- InChIKey
MMKQUGHLEMYQSG-UHFFFAOYSA-N- 분자식
- Pr2-O3
- 평균 분자량
- 329.814 g/mol
- 단동위원소 질량
- 329.80004946
이름 및 식별자
- 우선 이름
- Praseodymium oxide
- IUPAC
- tris(oxygen(2-));bis(praseodymium(3+))
- 현지명
- 프라세오디뮴 산화물
- 영어명
- Praseodymium(III) oxide 99.9%
- 분자식
- O3Pr2
- 분자량
- 329.8135
이름 및 동의어
Praseodymium oxide12036-32-7Dipraseodymium trioxide11113-81-8EINECS 234-845-3PraseodymiaPraseodymium trioxidePraseodymium sesquioxideRefChem:175738DTXSID001014600234-845-3Praseodymium oxide (Pr2O3)
이름 더 보기
프라세오디뮴산화물프라세오디뮴산화물praseodymium(3+)PrasedyMiuM oxideIII)PrasedyMiuM(III)Praseodymium HEXAOXIDEPrasedymium(III) oxidepraseodymiumoxide(pr2o3)praseodymium(III) trioxidePraseodymium(III) oxide 99.9%
Praseodymium(III) oxideoxygen(2-);praseodymium(3+)PRASEODYMIUM(III) OXIDE 99.9per centSCHEMBL28208DTXSID50884498Q420890
데이터베이스 식별자
- CAS
11113-81-8、12036-32-7- PubChem CID
- 165911
- DTXSID
DTXSID50884498- EC Number
- 234-845-3
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
Density6.9 @25 °C
Melting Point2300 °C
Physical Description
Dry Powder
Yellow-green solid; Insoluble in water; Soluble in acids; Hygroscopic; [Hawley]
물리화학적 성질
- 녹는점
- 2300 °C · 2300°C
- 끓는 점
- 3760 ℃[at · 3760℃[at 101 325 Pa]
- 밀도
- 7.07 · 7.07
- 저장 조건
- Store at room temperature, keep dry and cool
- 물리적 상태
- 소결덩어리
- Specific Gravity
- 7.07 · 7.07
- 색상
- white hexagonal, hexane crystals, crystalline
- 수용성
- 물에 불용성. 강한 무기산에 적당히 용해됩니다.
- Merck
- 14 · 14,7712
- InChI
- 1S/3O.2Pr
- InChIKey
- XYFIPBUCKXDCQM-UHFFFAOYSA-N
- SMILES
- O=[Pr]O[Pr]=O
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 95.8% (114 of 119) of all reports.
Not Classified
Aggregated GHS information provided per 119 reports by companies from 3 notifications to the ECHA C&L Inventory.
유해성 정보
Regulatory Information
Chemical: Praseodymium oxide (Pr2O3)
Praseodymium oxide (Pr2O3) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Praseodymium oxide (Pr2O3) 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: 21-04-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/22277
Hazards SummaryPraseodymium oxide (Pr2O3) oxidizes to Pr6O11 when heated in air. [Merck Index] See Praseodymium. See RARE EARTH METALS and linked occupational diseases.
Hazard Classes and CategoriesNot Classified
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).
안전 데이터
화학 및 산업
용도 및 제조
Uses
Used as a pigment in glass and ceramics and as a laboratory reagent; [Hawley]
Glass Manufacturing [Category: Industry]
U.S. Production2023: <50,000 lb
Consumer UsesPigment
Industry UsesCorrosion inhibitor
General Manufacturing Information
Miscellaneous Manufacturing
Praseodymium oxide: ACTIVE
Praseodymium oxide (Pr2O3): ACTIVE
응용 분야
용도Praseodymium(III) oxide is used as a pigment in glass, optic and ceramic industries. Praseodymium-doped glass called didymium glass is used in welding goggles, since it blocks infra-red radiation. Further, it is used as a dielectric in combination with silicon.
관련 반응
9건
화합물 노트
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