Beryllium Circle

High Purity Be Metal Circles
CAS 7440-41-7


Product Product Code Order or Specifications
(2N) 99% Beryllium Circle BE-M-02-CRCL Contact American Elements
(3N) 99.9% Beryllium Circle BE-M-03-CRCL Contact American Elements
(4N) 99.99% Beryllium Circle BE-M-04-CRCL Contact American Elements
(5N) 99.999% Beryllium Circle BE-M-05-CRCL 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
Be 7440-41-7 24856053 5460467 MFCD00134032 231-150-7 N/A [BeH2] InChI=1S/Be ATBAMAFKBVZNFJ-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
9.01 Grey 1.848 gm/cc N/A 1277 °C 2970 °C 2.01 W/cm/K @ 298.2 K 4.0 microhm-cm @ 20 oC 1.5 Paulings 0.436 Cal/g/K @ 25 °C 73.9 K-cal/gm atom at 2467 °C 2.8 Cal/gm mole Safety Data Sheet

American Elements specializes in producing high purity Beryllium Circles with the highest possible densityHigh Purity (99.99%) Metallic Circleand smallest possible average grain sizes for use in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications. Our standard Circle sizes range from 1" to 8" in diameter and from 2mm to 1/2" thick. We can also provide Circles outside this range. 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 nanoparticles. 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. See safety data and research below and pricing/lead time above. We also produce Beryllium as rod, pellets, powder, pieces, granules, ingot, wire, and in compound forms, such as oxide. Other shapes are available by request.

Beryllium(Be) atomic and molecular weight, atomic number and elemental symbol Beryllium is a Block S, Group 2, Period 2 element. The number of electrons in each of Beryllium's shells is 2, 2 and its electronic configuration is [He] 2s2. In its elemental form beryllium's CAS number is 7440-41-7. The beryllium atom has a radius of 111.3.pm and it's Van der Waals radius is 200.pm. Beryllium and its salts are toxic as well as carcinogenic. Beryllium is most commonly used in alloys with our base metallic materials. As a 1 - 3% addition to copper it produces Beryllium Bohr Model"beryllium bronze", a highly wear resistant material and with nickel it is used to make spot welder electrodes. Beryllium is a fairly soft metal that is brittle yet strong. Elemental BerylliumBeryllium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. It is used as a coating on X-ray tubesbecause it is transparent to the X-ray range. It emits neutrons on bombardment by alpha rays. It also has applications in the nuclear industry. Beryllium is found in bertrandite (Be4Si2O7(OH)2), beryl(Al2Be3Si6O18), chrysoberyl (Al2BeO4) and phenakite(Be2SiO4). The most common source for commercial production of Beryllium is Beryl. Beryllium was first discovered by Abbé René-Just Hauy in 1798. The origin of the name Beryllium comes from the Greek word 'beryllos' meaning beryl. See Beryllium research below.

HEALTH, SAFETY & TRANSPORTATION INFORMATION
Danger
H301-H315-H317-H319-H330-H335-H350i-H372
T+
49-25-26-36/37/38-43-48/23
53-45
DS1750000
UN 1567 6.1/PG 2
3
Skull and Crossbones-Acute Toxicity Health Hazard      

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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 Beryllium

  • Beryllium derivatives of a phenyl-substituted ß-diketiminate: a well-defined ring opening reaction of tetrahydrofuran. Arrowsmith M, Crimmin MR, Hill MS, Kociok-Köhn G. Dalton Trans. 2013 May 17.
  • Equations of state and transport properties of warm dense beryllium: A quantum molecular dynamics study. Wang C, Long Y, Tian MF, He XT, Zhang P. Phys Rev E Stat Nonlin Soft Matter Phys. 2013 Apr;87(4-1):043105.
  • Electronic properties of functionalized (5,5) beryllium oxide nanotubes. Chigo Anota E, Cocoletzi GH. J Mol Graph Model. 2013 May;42:115-9. doi: 10.1016/j.jmgm.2013.03.007.
  • Nitrogen reactivity toward beryllium: surface reactions. Allouche A. J Phys Condens Matter. 2013 Jun 5;25(22):225002. doi: 10.1088/0953-8984/25/22/225002.
  • The impact of particle size selective sampling methods on occupational assessment of airborne beryllium particulates. Sleeth DK. Environ Sci Process Impacts. 2013 May 1;15(5):898-903. doi: 10.1039/c3em30877d.
  • Beryllium chemistry the safe way: a theoretical evaluation of low oxidation state beryllium compounds. Couchman SA, Holzmann N, Frenking G, Wilson DJ, Dutton JL. Dalton Trans. 2013 Apr 10.
  • Bis(µ-diisopropyl-hydoxylaminato)-?(2) O:N;?(2) O:O-bis-[(diisopropyl-hydoxylaminato-?O)beryllium]. Berger RJ, Jana S, Monkowius U, Mitzel NW. Acta Crystallogr Sect E Struct Rep Online. 2012 Dec 1;68(Pt 12):m1463. doi: 10.1107/S1600536812045655.
  • Chest wall shrapnel-induced beryllium-sensitization and associated pulmonary disease. Fireman E, Shai AB, Lerman Y, Topilsky M, Blanc PD, Maier L, Li L, Chandra S, Abraham JM, Fomin I, Aviram G, Abraham JL. Sarcoidosis Vasc Diffuse Lung Dis. 2012 Oct;29(2):147-50.
  • Long-term efficacy of a program to prevent beryllium disease. Thomas CA, Deubner DC, Stanton ML, Kreiss K, Schuler CR. Am J Ind Med. 2013 Feb 28. doi: 10.1002/ajim.22175.
  • Considerations for the development of health-based surface dust cleanup criteria for beryllium. Shay E, De Gandiaga E, Madl AK. Crit Rev Toxicol. 2013 Mar;43(3):220-43. doi: 10.3109/10408444.2013.767308.
  • [Health surveillance for workers exposed to beryllium and diagnostic procedures in beryllium-associated diseases]. Euler U, Dahmann D, Follmann M, Gaede KI, Gäßler A, Groneberg D, Heger M, Krutz K, Latza U, Lelgemann M, Letzel S, Merget R, Müller-Quernheim J, Nauert T, Seidler A; Deutsche Gesellschaft für Arbeitsmedizin und Umweltmedizin e. V. Dtsch Med Wochenschr. 2013 Mar;138(10):488-92. doi: 10.1055/s-0032-1332900.
  • Giant reduction of the phase transition temperature for beryllium doped VO2. Zhang J, He H, Xie Y, Pan B. Phys Chem Chem Phys. 2013 Apr 7;15(13):4687-90. doi: 10.1039/c3cp44476g.
  • Binary compounds of boron and beryllium: a rich structural arena with space for predictions. Hermann A, Ashcroft NW, Hoffmann R. Chemistry. 2013 Mar 25;19(13):4184-97. doi: 10.1002/chem.201203890.
  • Neutral tricoordinated beryllium(0) compounds--isostructural to BH(3) but isoelectronic to NH(3). De S, Parameswaran P. Dalton Trans. 2013 Apr 7;42(13):4650-6. doi: 10.1039/c3dt32749c.
  • Enhancing and modulating the intrinsic acidity of imidazole and pyrazole through beryllium bonds. Mó O, Yáñez M, Alkorta I, Elguero J. J Mol Model. 2013 Jan 8.
  • Chronic beryllium disease: azathioprine as a possible alternative to corticosteroid treatment. Salvator H, Gille T, Hervé A, Bron C, Lamberto C, Valeyre D. Eur Respir J. 2013 Jan;41(1):234-6. doi: 10.1183/09031936.00095712.
  • Experimental and theoretical study of molecular structure of beryllium, magnesium, calcium, strontium and barium 4-nitrobenzoates. Samsonowicz M, Regulska E, Swislocka R, Lewandowski W. Spectrochim Acta A Mol Biomol Spectrosc. 2013 Feb 15;103:456-66. doi: 10.1016/j.saa.2012.11.073.
  • Sparse-data bias accompanying overly fine stratification in an analysis of beryllium exposure and lung cancer risk. Rothman KJ, Mosquin PL. Ann Epidemiol. 2013 Feb;23(2):43-8. doi: 10.1016/j.annepidem.2012.11.005.
  • Three-coordinate beryllium ß-diketiminates: synthesis and reduction chemistry. Arrowsmith M, Hill MS, Kociok-Köhn G, MacDougall DJ, Mahon MF, Mallov I. Inorg Chem. 2012 Dec 17;51(24):13408-18. doi: 10.1021/ic3022968.
  • Estimate of beryllium critical point on the basis of correspondence between the critical and the Zeno-line parameters. Apfelbaum EM. J Phys Chem B. 2012 Dec 20;116(50):14660-6. doi: 10.1021/jp309757a.