酸化プラセオジム(III)
Praseodymium oxide
基本情報
- CAS
11113-81-8- 標準SMILES
[O-2].[O-2].[O-2].[Pr+3].[Pr+3]- InChIKey
MMKQUGHLEMYQSG-UHFFFAOYSA-N- 分子式
- Pr2-O3
- 平均分子量
- 329.814 g/mol
- 単同位体質量
- 329.80004946
名称と識別子
- 優先名称
- Praseodymium oxide
- IUPAC
- tris(oxygen(2-));bis(praseodymium(3+))
- 現地名
- 酸化プラセオジム(III)
- 英語名
- Praseodymium(III) oxide 99.9%
- 分子式
- O3Pr2
- 分子量
- 329.8135
名称と別名
Praseodymium oxide12036-32-7Dipraseodymium trioxide11113-81-8EINECS 234-845-3PraseodymiaPraseodymium trioxidePraseodymium sesquioxideRefChem:175738DTXSID001014600234-845-3Praseodymium oxide (Pr2O3)
名称をさらに表示
酸化プラセオジム酸化プラセオジム(III)praseodymium(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
データベース識別子
- CAS
11113-81-8、12036-32-7- PubChem CID
- 165911
- DTXSID
DTXSID50884498- EC Number
- 234-845-3
物性
構造計算による物性
- 極性表面積
- 3 Ų
- 水素結合供与体数
- 0
- 水素結合受容体数
- 3
- 回転可能結合数
- 0
- 重原子数
- 5
- 形式電荷
- 0
- 複雑度
- 0
実験および物理化学的性質
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]
物理化学的性質
- 融点
- 2300 °C · 2300°C
- 沸点
- 3760 ℃[at · 3760℃[at 101 325 Pa]
- 比重(密度)
- 7.07 · 7.07
- 貯蔵温度
- Store at room temperature, keep dry and cool
- 外見
- 焼結塊
- 比重
- 7.07 · 7.07
- 色
- white hexagonal, hexane crystals, crystalline
- 水溶解度
- 水に不溶。強鉱酸に適度に溶ける。
- 晶系
- 三方
- Merck
- 14 · 14,7712
- 空间群
- 3 m1 · P3m1
- 晶格常数
- 30.38577 · a/nmb/nmc/nmα/oβ/oγ/oV/nm30.385770.385770.601290901200.0775
- InChI
- 1S/3O.2Pr
- InChIKey
- XYFIPBUCKXDCQM-UHFFFAOYSA-N
- SMILES
- O=[Pr]O[Pr]=O
- EPAの化学物質情報
- Praseodymium oxide (Pr2O3) (12036-32-7)
化学的性質
化学的特性yellow-green amorphous; 3–12mm pieces with 10μm average or less with 99.9% purity [CER91] [CRC10]
安全と法規制
安全情報は参考情報です。供給元の安全データシート（SDS）、適用法令、専門家による評価に代わるものではありません。
GHS分類
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.
危険有害性情報
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
安全と保護具
Protective Action Criteria (PAC)
15 [mg/m3]
170 [mg/m3]
990 [mg/m3]
毒性情報
Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).
安全データ
- wgk
- 1
- tsca
- TSCA listed
- rtecs
- TU1480000
- hs_code
- 28469017
- risk_code
- 36/37/38
- hazard_code
- Xi
- safety_code
- 26-37/39
- ストレージクラス
- 11 - Combustible Solids
化学と産業
用途と製造
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
応用分野
使用Praseodymium(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.
関連反応
9 件
化合物ノート
読み込み中…