Basic information
- CAS
13864-03-4- Standard SMILES
[Pr]- InChIKey
PUDIUYLPXJFUGB-UHFFFAOYSA-N- Molecular formula
- Pr
- Average molar mass
- 140.9077 g/mol
- Monoisotopic mass
- 140.90766
Overview
Praseodymium atom is a lanthanoid atom and a f-block element atom.
Names & identifiers
- Preferred name
- Praseodymium
- IUPAC
- praseodymium
- English name
- PRASEODYMIUM HYDRIDE
- Molecular formula
- H3Pr
- Molecular weight
- 143.93
Names & synonyms
PRASEODYMIUM7440-10-0PRNKN7EZA750DTXSID4064684Praseodymium MetallicumRefChem:55905DTXCID2047648231-120-3praseodymium atomMFCD00011174Praseodymium ingot
Show more names
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
Database identifiers
- 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
Properties
Computed structural properties
- Topological polar surface area
- 0 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 0
- Rotatable bonds
- 0
- Heavy atoms
- 1
- Formal charge
- 0
- Complexity
- 0
Experimental & physicochemical properties
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]
Physicochemical properties
- EPA Substance Registry System
- Praseodymium hydride (PrH3) (13864-03-4)
- TSCA
- TSCA listed
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
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.
Hazard information
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%)
Safety & protection
Protective Action Criteria (PAC)
Chemistry & industry
Uses & manufacturing
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
Suppliers13 total
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]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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