基本情報
- CAS
13864-03-4- 標準SMILES
[Pr]- InChIKey
PUDIUYLPXJFUGB-UHFFFAOYSA-N- 分子式
- Pr
- 平均分子量
- 140.9077 g/mol
- 単同位体質量
- 140.90766
概要
Praseodymium atom is a lanthanoid atom and a f-block element atom.
名称と識別子
- 優先名称
- Praseodymium
- IUPAC
- praseodymium
- 現地名
- トリヒドリドプラセオジム(III)
- 英語名
- PRASEODYMIUM HYDRIDE
- 分子式
- H3Pr
- 分子量
- 143.93
名称と別名
PRASEODYMIUM7440-10-0PRNKN7EZA750DTXSID4064684Praseodymium MetallicumRefChem:55905DTXCID2047648231-120-3praseodymium atomMFCD00011174Praseodymium ingot
名称をさらに表示
三水素プラセオジム(III)プラセオジムヒドリド三水素化プラセオジムトリヒドリドプラセオジム(III)プラセオジムトリヒドリドPRASEODYMIUM HYDRIDEpraseodymium trihydridePraseodymium Hydride(PrH3)Praseodymium(III) trihydrideTrihydrogen praseodymium(III) salt
Praseodymium StandardPraseodymium-141UNII-NKN7EZA750praseodimiopraseodymePraseodymium Standard: Pr @ 1000 microg/mL in 5% HNO3Praseodymium Standard: Pr @ 10000 microg/mL in 5% HNO3Praseodym
データベース識別子
- CAS
13864-03-4、7440-10-0- PubChem CID
- 23942
- ChEBI
CHEBI:49828- UNII
- NKN7EZA750
- EC Number
- 231-120-3
- Nikkaji
- J221.510A、J95.331H、J96.408E
物性
構造計算による物性
- 極性表面積
- 0 Ų
- 水素結合供与体数
- 0
- 水素結合受容体数
- 0
- 回転可能結合数
- 0
- 重原子数
- 1
- 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
SpringerMaterials Propertieselectron density of states
Density6.772 @25 °C
Boiling Point3512 °C @760 [mm Hg]
Physical DescriptionYellowish metal; oxides form on exposure to moist air; [Merck Index] It is soft, silvery, and malleable. It develops a green oxide coating when exposed to air. [Reference #1]
物理化学的性質
- EPAの化学物質情報
- Praseodymium hydride (PrH3) (13864-03-4)
化学的性質
化学的特性lump under argon atmospheric [ALF95]
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 18.2% (45 of 247) of reports.
Danger
H228 (52.6%): Flammable solid [Danger Flammable solids]
P210, P222, P231, P233, P235, P240, P241, P264, P264+P265, P273, P280, P302+P335+P334, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, P370+P378, P407, P410, P413, P420, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 247 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
危険有害性情報
Regulatory Information
Chemical: Praseodymium
REACH registered substance: Praseodymium (EC: 231-120-3)
Praseodymium: 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.
Other Safety InformationIMAP assessments - Praseodymium: Human health tier I assessment
Hazards Summary
First prepared in pure form in 1931; Recent improvement in technology (ion-exchange and solvent extraction techniques) allow less costly isolation of Pr and other rare earth metals. [Reference #1] See RARE EARTH METALS and linked occupational diseases.
Hazard Classes and CategoriesFlam. Sol. 2 (52.6%)
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
- tsca
- TSCA listed
化学と産業
用途と製造
Uses
Source: Rare earth minerals; [Merck Index] Uses: Praseodymium salts are used in mischmetal, cores for carbon arcs, colorants (glazes and glasses), catalysts, phosphors, and lasers; [Hawley] Didymium glass, used in welders goggles, contains Pr. [Reference #1]
Glass Manufacturing [Category: Industry]
General Manufacturing InformationPraseodymium: ACTIVE
サプライヤー13 社
上海凌颢金属材料有限公司18021042695 · [email protected]
武汉灵灵九生物科技有限公司15623309010 · [email protected]
Henan Alfa Chemical Co., Ltd+8618339805032 · [email protected]
上海卜微应用材料技术有限公司021-64112762 18930491979 · [email protected]
上海阿拉丁生化科技股份有限公司6206333 13167063860 · [email protected]
浙江亚美纳米科技有限公司400-8200386 13456373028 · [email protected]
上海源叶生物科技有限公司18916372613 · [email protected]
SHANGHAI AOTA NEW MATERIAL CO., LTD+8615821847224 · [email protected]
苏州康朋化学有限公司0512-62860309 15821847224 · [email protected]
北京迈瑞达科技有限公司010-82387566 18001021521 · [email protected]
Aladdin Scientific[email protected]
上海允复纳米科技有限公司18964169089 · [email protected]
DAYANG CHEM (HANGZHOU) CO.,LTD+86-88938639 +86-17705817739 · [email protected]
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