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Tungsten Samples

High Purity W Samples
CAS 7440-33-7


Product Product Code Request Quote
(2N) 99% Tungsten Samples W-M-02-SAMP Request Quote
(3N) 99.9% Tungsten Samples W-M-03-SAMP Request Quote
(4N) 99.99% Tungsten Samples W-M-04-SAMP Request Quote
(5N) 99.999% Tungsten Samples W-M-05-SAMP Request Quote

CHEMICAL
IDENTIFIER
Formula CAS No. PubChem CID MDL No. EC No Beilstein
Re. No.
SMILES
Identifier
InChI
Identifier
InChI
Key
W 7440-33-7 23964 MFCD00011461  231-143-9 N/A [W] InChI=1S/W WFKWXMTUELFFGS-UHFFFAOYSA-N

PROPERTIES Mol. Wt. Appearance Density Tensile Strength Melting Point Boiling Point Thermal Conductivity Electrical Resistivity Electronegativity Specific Heat Heat of Vaporization Heat of Fusion MSDS
183.85 Silvery 19.3 g/cm3 750 MPa 3410 °C 5900 °C 1.73
W/m K
5.65 μΩ·m (27°C) 1.7 Paulings 0.133
J/g mol (20°C)
806.7
kJ/mol
35.3 kJ/mol Safety Data Sheet

Tungsten SampleTungsten samples are suitable for metallurgical analysis, chemical analysis, physical testing, mechanical testing, failure analysis, fire & flammability testing, contaminant identification and weatherization studies. Metallurgical testing is used to determine quality by analyzing the microstructure of a sample under a microscope. American Elements specializes in producing irregular shaped Tungsten Samples with the highest possible density and smallest possible average grain sizes for use in 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), Metallic-Organic and Chemical Vapor Deposition (MOCVD). Tungsten samples are available in dimensions appropriate for numerous testing procedures. Materials are produced using crystallization, solid state and other ultra high purification processes such as sublimation. Tungsten samples are suitable for metallurgical analysis, chemical analysis, physical testing, mechanical testing, failure analysis, fire & flammability testing, contaminant identification and weatherization studies. Metallurgical testing is used to determine quality by analyzing the microstructure of a sample under a microscope. 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 () and in the form of solutions and organometallics. We also produce Tungsten as disc, granules, ingot, pellets, pieces, powder, and rod. Other shapes are available by request. A wide variety of American Elements products are available in sample form for materials and metallurgical testing procedures. Tungsten samples vary in size and thickness.

Tungsten (W) and molecular weight, atomic number and elemental symbolTungsten (atomic symbol: W, atomic number: 74) is a Block D, Group 6, Period 6 element with an atomic weight of 183.84. The number of electrons in each of tungsten's shells is [2, 8, 18, 32, 12, 2] and its electron configuration is [Xe] 4f14 5d4 6s2. Tungsten Bohr Model The tungsten atom has a radius of 139 pm and a Van der Waals radius of 210 pm. Tungsten was discovered by Torbern Bergman in 1781 and first isolated by Juan José Elhuyar and Fausto Elhuyar in 1783. In its elemental form, tungsten has a grayish white, lustrous appearance.Elemental Tungsten Tungsten has the highest melting point of all the metallic elements and a density comparable to that or uranium or gold and about 1.7 times that of lead. Tungsten alloys are often used to make filaments and targets of x-ray tubes. It is found in the minerals scheelite (CaWO4) and wolframite [(Fe,Mn)WO4]. In reference to its density, Tungsten gets its name from the Swedish words tung and sten, meaning heavy stone. For more information on tungsten, including properties, safety data, research, and American Elements' catalog of tungsten products, visit the Tungsten element page.


HEALTH, SAFETY & TRANSPORTATION INFORMATION
Material Safety Data Sheet MSDS
Signal Word Danger
Hazard Statements H228-H315-H319
Hazard Codes N/A
Risk Codes N/A
Safety Precautions N/A
RTECS Number YO7175000
Transport Information N/A
WGK Germany 3
Globally Harmonized System of
Classification and Labelling (GHS)
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 Tungsten

  • Design of SrTiO3-Based Thermoelectrics by Tungsten Substitution. Andrei V. Kovalevsky, Sascha Populoh, Sonia Patricio, Philipp Thiel, Marta C. Ferro, Duncan Fagg, Jorge R. Frade, and Anke Weidenkaff. J. Phys. Chem. C: February 13, 2015
  • Coke Minimization during Conversion of Biogas to Syngas by Bimetallic Tungsten-Nickel Incorporated Mesoporous Alumina Synthesized by the One-Pot Route. Huseyin Arbag, Sena Yasyerli, Nail Yasyerli, Gulsen Dogu, Timur Dogu, Ilja Gasan Osojnik Crnivec, and Albin Pintar. Ind. Eng. Chem. Res.: February 12, 2015
  • Synthesis of Alkyl and Alkylidene Complexes of Tungsten Bearing Imido and Redox-Active Diimine or o-Iminoquinone Ligands and Their Application as Catalysts for Ring-Opening Metathesis Polymerization of Norbornene. Hiromasa Tanahashi, Hayato Tsurugi, and Kazushi Mashima. Organometallics: February 9, 2015
  • Silica-Supported Tungsten Carbynes (?SiO)xW(?CH)(Me)y (x = 1, y = 2; x = 2, y = 1): New Efficient Catalysts for Alkyne Cyclotrimerization. Nassima Riache, Alexandre Dery, Emmanuel Callens, Albert Poater, Manoja Samantaray, Raju Dey, Jinhua Hong, Kun Li, Luigi Cavallo, and Jean-Marie Basset. Organometallics: February 2, 2015
  • Controllable Nondegenerate p-Type Doping of Tungsten Diselenide by Octadecyltrichlorosilane. Dong-Ho Kang, Jaewoo Shim, Sung Kyu Jang, Jeaho Jeon, Min Hwan Jeon, Geun Young Yeom, Woo-Shik Jung, Yun Hee Jang, Sungjoo Lee, and Jin-Hong Park. ACS Nano: January 28, 2015
  • Bespoke Photoreductants: Tungsten Arylisocyanides. Wesley Sattler, Lawrence M. Henling, Jay R. Winkler, and Harry B. Gray. J. Am. Chem. Soc.: January 16, 2015
  • Aerosol-Assisted Chemical Vapor Deposition of Tungsten Oxide Films and Nanorods from Oxotungsten(VI) Fluoroalkoxide Precursors. Hankook Kim, Richard O. Bonsu, Christopher O’Donohue, Roman Y. Korotkov, Lisa McElwee-White, and Timothy J. Anderson. ACS Appl. Mater. Interfaces: January 8, 2015
  • Rich Structural Chemistry in New Alkali Metal Yttrium Tellurites: Three-Dimensional Frameworks of NaYTe4O10, KY(TeO3)2, RbY(TeO3)2, and a Novel Variant of Hexagonal Tungsten Bronze, CsYTe3O8. Youngkwon Kim, Dong Woo Lee, and Kang Min Ok. Inorg. Chem.: December 17, 2014
  • Graphene-Analogue Hexagonal BN Supported with Tungsten-based Ionic Liquid for Oxidative Desulfurization of Fuels. Wenshuai Zhu, Bilian Dai, Peiwen Wu, Yanhong Chao, Jun Xiong, Suhang Xun, Hongping Li, and Huaming Li. ACS Sustainable Chem. Eng.: December 4, 2014
  • Optical Detection of a Highly Localized Impurity State in Monolayer Tungsten Disulfide. Toshiaki Kato and Toshiro Kaneko. ACS Nano: December 3, 2014