Cerium Board

High Purity Ce Boards
CAS 7440-45-1


Product Product Code Order or Specifications
(2N) 99% Cerium Board CE-M-02-BRD Contact American Elements
(2N5) 99.5% Cerium Board CE-M-025-BRD Contact American Elements
(3N) 99.9% Cerium Board CE-M-03-BRD Contact American Elements
(3N5) 99.95% Cerium Board CE-M-035-BRD Contact American Elements
(4N) 99.99% Cerium Board CE-M-04-BRD Contact American Elements
(5N) 99.999% Cerium Board CE-M-05-BRD Contact American Elements

CHEMICAL
IDENTIFIER		 Formula CAS No. PubChem SID PubChem CID MDL No. EC No Beilstein
Re. No.		 SMILES
Identifier 		InChI
Identifier		 InChI
Key
Ce 7440-45-1 24869828 23974 MFCD00010924 231-154-9 N/A [Ce] InChI=1S/Ce GWXLDORMOJMVQZ-UHFFFAOYSA-N

PROPERTIES Mol. Wt. Appearance Density Tensile Strength Melting Point Boiling Point Thermal Conductivity Electrical Resistivity Eletronegativity Specific Heat Heat of Vaporization Heat of Fusion MSDS
140.12 Silvery 6689kg/m³ N/A 795°C 3360°C 0.113/cm/K @ 298.2 K 75.0 microhm-cm @ 25 °C 1.1 Paulings 0.049 Cal/g/K @ 25°C 95 K-cal/gm atom at 3426°C 2.12 Cal/gm mole Safety Data Sheet

99.999% High Purity Cerium BoardSee research below. American Elements specializes in producing Cerium Boards in various thicknesses and sizes. Most Boards are produced from cast Ingots for use in coating and thin film Chemical Vapor Deposition (CVD) and Physical Vapor Deposition (PVD) processes including Thermal and Electron Beam (E-Beam) Evaporation, Low Temperature Organic Evaporation, Atomic Layer Deposition (ALD), Organometallic and Chemical Vapor Deposition (MOCVD) for specific applications such as fuel cells and solar energy. Thickness can range from 0.04" to 0.25" for all metals. Materials are produced using crystallization, solid state and other ultra high purification processes such as sublimation. American Elements specializes in producing custom compositions for commercial and research applications and for 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 other machined shapes and through other processes such as nanoparticles (see Nanotechnology and Quantum Dots application discussions) and in the form of solutions and organometallics. Cerium metal was historically used in alloys to make permanent magnets, but this has become a less common use for the metal. Currently cerium metal is used in a number of alloys for a wide range of applications. Alloying cerium with iron improves machineability of automotive power-train components. Cerium can be added to magnesium alloys as a grain boundary modifier and can be used to make aluminum alloys. 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. We also produce Cerium shapes are available by request.

Cerium(Ce) atomic and molecular weight, atomic number and elemental symbolCerium is a Block F, Group 3, Period 6 element. The number of electrons in each of Cerium's shells is 2, 8, 18, 19, 9, 2 and its electronic configuration is [Xe]4f2 6s2. In its elemental form cerium's CAS number is 7440-45-1. The cerium atom has a radius of 182.5.pm and it's Van der Waals radius is 181.pm. Cerium is moderately toxic. Cerium is one of the products manufactured and distributed under the tradename AE Rare Earths. Cerium is the most abundant of the rare earths metals. It is characterized chemically by having two valence states , the +3 cerous and +4 ceric states. The ceric state is the only non-trivalent rare earth ion stable in aqueousCerium Bohr Model solutions.It is, therefore,Elemental Cerium strongly acidic and moderately toxic. It is also a strong oxidizer. The cerous state closely resembles the other trivalent rare earths. In December 2012, a team of researchers found that topical applications of water-soluble Cerium Oxide Nanoparticles significantly accelerated the healing time of subcutaneous wounds of mice, indicating a potentially significant future application for nanotechnology in the field of medicine. The numerous commercial applications for cerium include metallurgy, glass and glass polishing, ceramics, catalysts, as the electrolyte for solid oxide fuel cells when doped with yttrium, gadolinium or samarium and in phosphors. In steel manufacturing it is used to remove free oxygen and sulfur by forming stable oxysulfides and by tying up undesirable trace elements, such as lead and antimony. It is considered to be the most efficient glass polishing agent for precision optical polishing. It is also used to decolor glass by keeping iron in its ferrous state. The ability of cerium-doped glass to block out ultra violet light is utilized in the manufacturing of medical glassware and aerospace windows. It is also used to prevent polymers from darkening in sunlight and to suppress discoloration of television glass. Cerium is found in the minerals allanite, bastnasite, hydroxylbastnasite, monazite, rhabdophane, synchysite and zircon. Cerium was first discovered by W. von Hisinger in 1903. The element was named after the asteroid Ceres. See Cerium research below.


HEALTH, SAFETY & TRANSPORTATION INFORMATION
Danger
H228-H302-H312-H315-H319-H332-H335
F, Xn
11-20/21/22-36/37/38
16-26-36/37/39
N/A
UN 1333 4.1/PG 2
3
Exclamation Mark-Acute Toxicity Flame-Flammables      

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PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
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 Cerium

  • Grain size dependence of dielectric relaxation in cerium oxide as high-k layer. Zhao C, Zhao CZ, Werner M, Taylor S, Chalker P, King P. Nanoscale Res Lett. 2013 Apr 15;8(1):172.
  • Study of the electrocatalytic activity of cerium oxide and gold-studded cerium oxide nanoparticles using a sonogel-carbon material as supporting electrode: electroanalytical study in apple juice for babies. Abdelrahim MY, Benjamin SR, Cubillana-Aguilera LM, Naranjo-Rodríguez I, de Cisneros JL, Delgado JJ, Palacios-Santander JM. Sensors (Basel). 2013 Apr 12;13(4):4979-5007. doi: 10.3390/s130404979.
  • Optical properties of cerium doped oxyfluoroborate glass. Bahadur A, Dwivedi Y, Rai SB. Spectrochim Acta A Mol Biomol Spectrosc. 2013 Mar 25;110C:400-403. doi: 10.1016/j.saa.2013.03.066.
  • Effects of Cerium Oxide Nanoparticles on the Proliferation, Differentiation, and Mineralization Function of Primary Osteoblasts In Vitro. Zhou G, Gu G, Li Y, Zhang Q, Wang W, Wang S, Zhang J. Biol Trace Elem Res. 2013 Apr 12.
  • Cerium oxide nanoparticles: potential applications for cancer and other diseases. Wason MS, Zhao J. Am J Transl Res. 2013;5(2):126-31.
  • Gene-expression changes in cerium chloride-induced injury of mouse hippocampus. Cheng Z, Zhao H, Ze Y, Su J, Li B, Sheng L, Zhu L, Guan N, Gui S, Sang X, Zhao X, Sun Q, Wang L, Cheng J, Hu R, Hong F. PLoS One. 2013;8(4):e60092. doi: 10.1371/journal.pone.0060092.
  • Computational study of the cerium(III) ion in aqueous environment. Lutz OM, Hofer TS, Randolf BR, Rode BM. Chem Phys Lett. 2012 Jun 29;539-540(8):50-53.
  • Optoelectronic and Ferroelectric Properties of Cerium-Doped (Na0.5Bi0.5)(Ti0.99Fe0.01)O3 Nanocrystalline Films on (111) Pt/TiO2/SiO2/Si: A Composition-Dependent Study. Zhang S, Han M, Zhang J, Li Y, Hu Z, Chu J. ACS Appl Mater Interfaces. 2013 Apr 24;5(8):3191-8. doi: 10.1021/am400196c.
  • Single Crystal to Single Crystal Transformation and Hydrogen-Atom Transfer upon Oxidation of a Cerium Coordination Compound. Williams UJ, Mahoney BD, Lewis AJ, Degregorio PT, Carroll PJ, Schelter EJ. Inorg Chem. 2013 Apr 15;52(8):4142-4. doi: 10.1021/ic4001973.
  • CO Responses of Sensors Based on Cerium Oxide Thick Films Prepared from Clustered Spherical Nanoparticles. Izu N, Matsubara I, Itoh T, Akamatsu T, Shin W. Sensors (Basel). 2013 Mar 8;13(3):3252-61.
  • Comparisons of plutonium, thorium, and cerium tellurite sulfates. Lin J, Cross JN, Diwu J, Meredith NA, Albrecht-Schmitt TE. Inorg Chem. 2013 Apr 15;52(8):4277-81. doi: 10.1021/ic302216y.
  • Cerium under the lens. Schelter EJ. Nat Chem. 2013 Apr;5(4):348. doi: 10.1038/nchem.1602.
  • Some misconceptions concerning the electronic spectra of tri-positive europium and cerium. Tanner PA. Chem Soc Rev. 2013 Mar 15.
  • Heterobi- and Trimetallic Cerium(IV) tert-Butoxides with Mono-, Di-, and Trivalent Metals (M = K(I), Ge(II), Sn(II), Pb(II), Al(III), Fe(III)). Schläfer J, Stucky S, Tyrra W, Mathur S. Inorg Chem. 2013 Apr 1;52(7):4002-10. doi: 10.1021/ic400030j.
  • Cellular uptake and activity of heparin functionalised cerium oxide nanoparticles in monocytes. Ting SR, Whitelock JM, Tomic R, Gunawan C, Teoh WY, Amal R, Lord MS. Biomaterials. 2013 Jun;34(17):4377-86. doi: 10.1016/j.biomaterials.2013.02.042.
  • Cerium oxide nanoparticles: influence of the high-Z component revealed on radioresistant 9L cell survival under X-ray irradiation. Briggs A, Corde S, Oktaria S, Brown R, Rosenfeld A, Lerch M, Konstantinov K, Tehei M. Nanomedicine. 2013 Mar 7. doi:pii: S1549-9634(13)00074-9. 10.1016/j.nano.2013.02.008.
  • Synthesis and grafting of CAN-derived tetravalent cerium alkoxide silylamide precursors onto mesoporous silica MCM-41. Crozier AR, Schädle C, Maichle-Mössmer C, Törnroos KW, Anwander R. Dalton Trans. 2013 Apr 21;42(15):5467-75. doi: 10.1039/c3dt33005b.
  • Enhancing Photoactivity of TiO2 (B)/Anatase Core-Shell Nanofibers by Selectively Doping Cerium Ions into the TiO2 (B) Core. Yang D, Zhao J, Liu H, Zheng Z, Adebajo MO, Wang H, Liu X, Zhang H, Zhao JC, Bell J, Zhu H. Chemistry. 2013 Apr 15;19(16):5113-9. doi: 10.1002/chem.201202719.
  • Catalytic wet peroxidation of pyridine bearing wastewater by cerium supported SBA-15. Subbaramaiah V, Srivastava VC, Mall ID. J Hazard Mater. 2013 Mar 15;248-249:355-63. doi: 10.1016/j.jhazmat.2013.01.018.
  • Cerium oxide nanoparticles induce cytotoxicity in human hepatoma SMMC-7721 cells via oxidative stress and the activation of MAPK signaling pathways. Cheng G, Guo W, Han L, Chen E, Kong L, Wang L, Ai W, Song N, Li H, Chen H. Toxicol In Vitro. 2013 Apr;27(3):1082-8. doi: 10.1016/j.tiv.2013.02.005