13864-03-4[Pr]PUDIUYLPXJFUGB-UHFFFAOYSA-NPraseodymium atom is a lanthanoid atom and a f-block element atom.
13864-03-4、7440-10-0CHEBI:49828lump under argon atmospheric [ALF95]
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
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.
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.
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.
15 [mg/m3]
170 [mg/m3]
990 [mg/m3]
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]
현재 필터 조건에 해당하는 반응 기록이 없습니다.
불러오는 중…