CAS 69021-86-9

Product Product Code Order or Specifications
(2N) 99% Tris(isopropylcyclopentadienyl)praseodymium(III) PR-TCI-02 Contact American Elements
(3N) 99.9% Tris(isopropylcyclopentadienyl)praseodymium(III) PR-TCI-03 Contact American Elements
(4N) 99.99% Tris(isopropylcyclopentadienyl)praseodymium(III) PR-TCI-04 Contact American Elements
(5N) 99.999% Tris(isopropylcyclopentadienyl)praseodymium(III) PR-TCI-05 Contact American Elements

Formula CAS No. PubChem CID MDL No. EC No IUPAC Name Beilstein
Re. No.
C24H33Pr 69021-86-9 57369823 MFCD00145484 N/A praseodymium; 5-propan-2-ylcyclopenta-1,3-diene N/A CC(C)[C-]1C=CC

PROPERTIES Compound Formula Mol. Wt. Appearance Melting Point Boiling Point Density

Exact Mass

Monoisotopic Mass Charge MSDS
C24H33Pr 462.43 Crystalline N/A N/A N/A 462.165879 462.165879 -3 Safety Data Sheet

Tris(isopropylcyclopentadienyl)praseodymium(III) is one of numerous organo-metallic compounds sold by American Elements under the tradename AE Organo-Metallics™ for uses requiring non-aqueous solubility such as recent solar energy and water treatment applications. Tris(isopropylcyclopentadienyl)praseodymium(III) is generally immediately available in most volumes, including bulk quantities. American Elements can produce materials to custom specifications by request, in addition to custom compositions for commercial and research applications and new proprietary technologies. American Elements also casts any of the rare earth metals and most other advanced materials into rod, bar or plate form, as well as numerous other machined shapes and in the form of solutions and organometallic compounds. Ultra high purity and high purity forms also include metal powder, submicron powder and nanomaterials, targets for thin film deposition, and pellets for chemical vapor deposition (CVD) and physical vapor deposition (PVD) applications. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available, as is additional technical and safety (MSDS) data. Please contact us for information on lead time and pricing above.

Praseodymium (Pr) atomic and molecular weight, atomic number and elemental symbol Praseodymium (atomic symbol: Pr, atomic number: 59) is a Block F, Group 3, Period 6 element with an atomic weight of 140.90765. Praseodymium Bohr Model The number of electrons in each of praseodymium's shells is 2, 8, 18, 21, 8, 2 and its electron configuration is [Xe]4f3 6s2. The praseodymium atom has a radius of 182 pm and a Van der Waals radius of 239 pm. Praseodymium resembles the typical trivalent rare earths, however, it will exhibit a +4 state when stabilized in a zirconia host. Elemental Praseodymium Unlike other rare-earth metals, which show antiferromagnetic and / or ferromagnetic ordering at low temperatures, praseodymium is paramagnetic at any temperature above 1 K. Praseodymium is found in the minerals monazite and bastnasite. Praseodymium was discovered by Carl Auer von Welsbach in 1885. The origin of the element name comes from the Greek words "prasios didymos," meaning green twin. For more information on praseodymium, including properties, safety data, research, and American Elements' catalog of praseodymium products, visit the Praseodymium Information Center.

Material Safety Data Sheet MSDS
Signal Word Warning
Hazard Statements H228-H315-H319-H335
Hazard Codes N/A
Risk Codes 11-36/37/38
Safety Precautions 26-37
RTECS Number N/A
Transport Information UN3181 4.1/PG III
WGK Germany N/A
Globally Harmonized System of
Classification and Labelling (GHS)
Flame-Flammables Exclamation Mark-Acute Toxicity      

1,3-Cyclopentadiene,1-(1-methylethyl)-, praseodymium complex;Tris(isopropylcyclopentadienyl)praseodymium

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Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.

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Recent Research & Development for Praseodymium

  • Yahong Jin, Yihua Hu, Li Chen, Yinrong Fu, Zhongfei Mu, Tao Wang, Jun Lin, Photoluminescence, reddish orange long persistent luminescence and photostimulated luminescence properties of praseodymium doped CdGeO3 phosphor, Journal of Alloys and Compounds, Volume 616, 15 December 2014
  • Lingxia Li, Junxiao Chen, Dong Guo, Ning Zhang, Mingjing Wang, Yaran Liu, An ultra-broad working temperature dielectric material obtained with Praseodymium doped BaTiO3–(Bi0.5Na0.5)TiO3–Nb2O5 based ceramics, Ceramics International, Volume 40, Issue 8, Part A, September 2014
  • Xiao–Yu Ding, Lai–Ma Luo, Ze–Long Lu, Guang–Nan Luo, Xiao–Yong Zhu, Ji–Gui Cheng, Yu–Cheng Wu, Chemically produced tungsten–praseodymium oxide composite sintered by spark plasma sintering, Journal of Nuclear Materials, Available online 11 August 2014
  • Osamah Alduhaish, Bin Li, Vladimir Nesterov, Hadi D. Arman, Khalid Alfooty, Abdullah M. Asiri, Hailong Wang, Banglin Chen, Two structurally different praseodymium-organic frameworks with permanent porosity, Inorganic Chemistry Communications, Volume 45, July 2014
  • R.V. Vovk, N.R. Vovk, G.Ya. Khadzhai, I.L. Goulatis, A. Chroneos, Effect of praseodymium on the electrical resistance of Y??2?u3?7-d single crystals, Solid State Communications, Volume 190, July 2014
  • Chuan-Hua Li, Xiang-Zhi Song, Jian-Hong Jiang, Hui-Wen Gu, Li-Ming Tao, Ping Yang, Xu Li, Sheng-Xiong Xiao, Fei-Hong Yao, Wen-Qi Liu, Jin-Qi Xie, Meng-Na Peng, Lan Pan, Xi-Bin Wu, Chao Jiang, Song Wang, Man-Fen Xu, Qiang-Guo Li, Synthesis, crystal structure and thermodynamic properties of a new praseodymium Schiff-base complex, Thermochimica Acta, Volume 581, 10 April 2014
  • A.C. Cabral, L.S. Cavalcante, R.C. Deus, E. Longo, A.Z. Simões, F. Moura, Photoluminescence properties of praseodymium doped cerium oxide nanocrystals, Ceramics International, Volume 40, Issue 3, April 2014
  • R. Catubig, A.E. Hughes, I.S. Cole, B.R.W. Hinton, M. Forsyth, The use of cerium and praseodymium mercaptoacetate as thiol-containing inhibitors for AA2024-T3, Corrosion Science, Volume 81, April 2014
  • Zhiqi Zhang, Zhiqiang Wang, Dehong Chen, Ruiying Miao, Qiong Zhu, Xiaowei Zhang, Lin Zhou, Zong-an Li, Purification of praseodymium to 4N5+ purity, Vacuum, Volume 102, April 2014
  • Rajalekshmi Chockalingam, Ashok Kumar Ganguli, Suddhasatwa Basu, Praseodymium and gadolinium doped ceria as a cathode material for low temperature solid oxide fuel cells, Journal of Power Sources, Volume 250, 15 March 2014
  • N.D. Nam, A. Somers, M. Mathesh, M. Seter, B. Hinton, M. Forsyth, M.Y.J. Tan, The behaviour of praseodymium 4-hydroxycinnamate as an inhibitor for carbon dioxide corrosion and oxygen corrosion of steel in NaCl solutions, Corrosion Science, Volume 80, March 2014
  • Alok Kumar Rai, Jihyeon Gim, Eui-chol Shin, Hyun-Ho Seo, Vinod Mathew, K.D. Mandal, Om Parkash, Jong-Sook Lee, Jaekook Kim, Effects of praseodymium substitution on electrical properties of CaCu3Ti4O12 ceramics, Ceramics International, Volume 40, Issue 1, Part A, January 2014
  • Lihe Zheng, Radoslaw Lisiecki, Witold Ryba-Romanowski, Gérard Aka, Juqing Di, Dongzhen Li, Xiaodong Xu, Jun Xu, Crystal growth and spectroscopic properties of praseodymium and cerium co-doped Y2SiO5, Journal of Luminescence, Volume 145, January 2014
  • Zhihao Bai, Feng Qiu, Xiaoxue Wu, Yingying Liu, Qichuan Jiang, Age hardening and creep resistance of cast Al–Cu alloy modified by praseodymium, Materials Characterization, Volume 86, December 2013
  • E. Tomaszewicz, H. Fuks, J. Typek, Synthesis, thermal stability and magnetic properties of novel cadmium and praseodymium tungstate Cd0.25Pr0.50?0.25WO4 and its solid solutions, Thermochimica Acta, Volume 568, 20 September 2013
  • K.S. Hwang, Y.S. Jeon, S. Hwangbo, J.T. Kim, Praseodymium-doped calcium stannates phosphor coatings prepared by electrostatic spray deposition, Ceramics International, Volume 39, Issue 7, September 2013
  • Feipeng ZHANG, Baocheng NIU, Kunshu ZHANG, Xin ZHANG, Qingmei LU, Jiuxing ZHANG, Effects of praseodymium doping on thermoelectric transport properties of CaMnO3 compound system, Journal of Rare Earths, Volume 31, Issue 9, September 2013
  • M.R.N. Soares, M.J. Soares, L.C. Alves, E. Alves, K. Lorenz, F.M. Costa, T. Monteiro, The influence of photon excitation and proton irradiation on the luminescence properties of yttria stabilized zirconia doped with praseodymium ions, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 306, 1 July 2013
  • Raghavendra Sagar, Shivanand Madolappa, Nagbasavanna Sharanappa, R.L. Raibagkar, Synthesis, structure and electrical studies of praseodymium doped barium zirconium titanate, Materials Chemistry and Physics, Volume 140, Issue 1, 15 June 2013
  • S.Yu. Melchakov, V.A. Ivanov, L.F. Yamshchikov, V.A. Volkovich, A.G. Osipenko, M.V. Kormilitsyn, Thermodynamics of reaction of praseodymium with gallium–indium eutectic alloy, Journal of Nuclear Materials, Volume 437, Issues 1–3, June 2013