(~141~Pm)promethium

Base Information

• Chemical Name: (~141~Pm)promethium
• CAS No.: 14952-27-3
• Molecular Formula: Pm
• Molecular Weight: 144.913
• Mol file: 14952-27-3.mol

Synonyms:141Pm; Pm141; Promethium-141

Chemical Property of (~141~Pm)promethium

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (~141~Pm)promethium

There total 4 articles about (~141~Pm)promethium which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 97.0%

Pm-trichloride (13779-10-7) → promethium (14952-27-3,15706-44-2,15720-47-5,15765-31-8,14683-19-3,14834-72-1)

Guidance literature:

With calcium; In neat (no solvent); 59.5g PmCl3, 40g I2, 24.3g Ca, start of react. at 600-800°C;; remelting;;

Reference yield:

promethium trifluoride (13709-45-0) → promethium (14952-27-3,15706-44-2,15720-47-5,15765-31-8,14683-19-3,14834-72-1)

Guidance literature:

With lithium; In neat (no solvent); byproducts: LiF; reduction in a Ta-vessel under Ar, start of react. at 700°C, cooling within 2-3h, removal of excess Li with H2O, mechanical separation of LiF;;

Reference yield:

promethium trichloride → promethium (14952-27-3,15706-44-2,15720-47-5,15765-31-8,14683-19-3,14834-72-1)

Guidance literature:

With tantalum; In neat (no solvent); pptn. of Pm by Ta in an aq. (147)PmCl3 soln. (1E-10 mol/l) at 20 °C and a pH value of 6.5;;

upstream raw materials:

Pm-trichloride

promethium trifluoride