Niobium Powder

High Purity Nb Powder
CAS 7440-03-1


Product Product Code Order or Specifications
(2N) 99% Niobium Powder NB-M-02-P Contact American Elements
(3N) 99.9% Niobium Powder NB-M-03-P Contact American Elements
(4N) 99.99% Niobium Powder NB-M-04-P Contact American Elements
(5N) 99.999% Niobium Powder NB-M-05-P 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
Nb 7440-03-1 24855926 23936 MFCD00011126 231-113-5 N/A [Nb] InChI=1S/Nb GUCVJGMIXFAOAE-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
92.90 Silvery 8.57 gm/cc N/A 2468 °C 4742 °C

0.537 W/cm/K @ 298.2 K

 12.5 microhm-cm @ 0°C

1.6 Paulings

 0.064 Cal/g/K @ 25°C N/A

6.5 Cal/gm mole

 Safety Data Sheet

Ultra High Purity Metal PowdersAmerican Elements specializes in producing high purity Niobium Powder with the smallest possible average grain sizes for use in preparation of pressed and bonded sputtering targets and 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). Powders are also useful in any application where high surface areas are desired such as water treatment and in fuel cell and solar applications. Nanoparticles (See also Nanotechnology Information and Quantum Dots) also produce very high surface areas. Our standard Powder particle sizes average in the range of - 325 mesh, - 100 mesh, 10-50 microns and submicron (< 1 micron). We can also provide many materials in the nanoscale range. 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 Niobium as rod, ingot, pieces, pellets, disc, granules, wire, and in compound forms, such as oxide. Other shapes are available by request.

Niobium(Nb) atomic and molecular weight, atomic number and elemental symbolNiobium is a Block D, Group 5, Period 5 element. The number of electrons in each of Niobium's shells is 2, 8, 18, 12, 1 and its electronic configuration is [Kr] 4d4 5s1. In its elemental form niobium's CAS number is 7440-03-1. The niobium atom has a radius of 142.9.pm and its Van der Waals radius is 200.pm. Some niobium compounds are considered very toxic. Niobium is the basis for various barium titanate compositions used as dielectric coatings in telecommunications Niobium Bohr Modeland small advanced electronics, such as cell phones, pagers and laptop computers. Caltech and JPL researchers recently developed a new type of electrical signal boosting amplifier made from a niobium titanium nitride superconducting material. The device has a variety of potential applications ranging from studying stars, galaxies, and black holes to exploring the quantum world and developing quantum computers. Niobium is available as metal Elemental Niobium 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. Niobium has medical research applications. It is alloyed to produce arc-welding rods and in corrosion-resistant steel. Niobium is not found in nature as a free element, but it does occur in minerals. Niobium was first discovered by Charles Hatchett in 1801. The word Niobium originates from Niobe, daughter of mythical Greek king Tantalus. See Niobium research below.

HEALTH, SAFETY & TRANSPORTATION INFORMATION
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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 Niobium

  • Dis-assembly of a Benzylic CF3 group mediated by a Niobium (III) Imido Complex. Gianetti TL, Bergman RG, Arnold J. J Am Chem Soc. 2013 May 10.
  • Asymmetric niobium guanidinates as intermediates in the catalytic guanylation of amines. Elorriaga D, Carrillo-Hermosilla F, Antiñolo A, Suárez FJ, López-Solera I, Fernández-Galán R, Villaseñor E. Dalton Trans. 2013 Apr 16.
  • Niobium(V) chloride catalyzed oxidation of dithioacetals with 30% hydrogen peroxide: a concise preparation of bissulfonylmethylene compounds. Kirihara M, Goto T, Noguchi T, Suzuki M, Ishizuka Y, Naito S. Chem Pharm Bull (Tokyo). 2013;61(4):460-3.
  • Surface patterning of mesoporous niobium oxide films for solar energy conversion. Ok MR, Ghosh R, Brennaman MK, Lopez R, Meyer TJ, Samulski ET. ACS Appl Mater Interfaces. 2013 Apr 24;5(8):3469-74. doi: 10.1021/am400598u.
  • Dehydration of Xylose to Furfural over MCM-41-Supported Niobium-Oxide Catalysts. García-Sancho C, Sádaba I, Moreno-Tost R, Mérida-Robles J, Santamaría-González J, López-Granados M, Maireles-Torres P. ChemSusChem. 2013 Apr;6(4):635-42. doi: 10.1002/cssc.201200881.
  • Diameter-dependent photocatalytic performance of niobium pentoxide nanowires. Saito K, Kudo A. Dalton Trans. 2013 Apr 23;42(19):6867-72. doi: 10.1039/c3dt32924k.
  • Synthesis, X-ray characterization, and reactivity of a-aminoacidato ethoxide complexes of niobium(V) and tantalum(V). Hayatifar M, Marchetti F, Pampaloni G, Zacchini S. Inorg Chem. 2013 Apr 1;52(7):4017-25. doi: 10.1021/ic4000654.
  • Characterisation of sputter deposited niobium and boron interlayer in the copper-diamond system. Hell J, Chirtoc M, Eisenmenger-Sittner C, Hutter H, Kornfeind N, Kijamnajsuk P, Kitzmantel M, Neubauer E, Zellhofer K. Surf Coat Technol. 2012 Sep 15;208(5-2):24-31.
  • AC conductivity of a niobium thin film in a swept magnetic field. Tsindlekht MI, Genkin VM, Gazi S, Chromik S. J Phys Condens Matter. 2013 Feb 27;25(8):085701. doi: 10.1088/0953-8984/25/8/085701.
  • (Acetyl-acetonato-?(2)O,O')dichlorido-bis(methano-lato-?O)niobium(V). Herbst L, Visser HG, Roodt A, Pretorius C. Acta Crystallogr Sect E Struct Rep Online. 2012 Nov 1;68(Pt 11):m1392. doi: 10.1107/S1600536812042638.
  • Mid-range structure of niobium-sodium-phosphate electro-optic glasses. Lipovskii AA, Tagantsev DK, Apakova IE, Markova TS, Yanush OV, Donato MG, Sirleto L, Messina G, Righini GC. J Phys Chem B. 2013 Feb 7;117(5):1444-50. doi: 10.1021/jp3081244.
  • Direct atomic-scale imaging of hydrogen and oxygen interstitials in pure niobium using atom-probe tomography and aberration-corrected scanning transmission electron microscopy. Kim YJ, Tao R, Klie RF, Seidman DN. ACS Nano. 2013 Jan 22;7(1):732-9. doi: 10.1021/nn305029b.
  • Nonvolatile memory devices prepared from sol-gel derived niobium pentoxide films. Baek H, Lee C, Choi J, Cho J. Langmuir. 2013 Jan 8;29(1):380-6. doi: 10.1021/la303857b.
  • A niobium water target for routine production of [¹8F]Fluoride with a MC 17 cyclotron. Siikanen J, Ohlsson T, Medema J, Van-Essen J, Sandell A. Appl Radiat Isot. 2013 Feb;72:133-6. doi: 10.1016/j.apradiso.2012.10.011.
  • Effect of postdeposition annealing on the structure, composition, and the mechanical and optical characteristics of niobium and tantalum oxide films. Cetinörgü-Goldenberg E, Klemberg-Sapieha JE, Martinu L. Appl Opt. 2012 Sep 20;51(27):6498-507. doi: 10.1364/AO.51.006498.
  • Effects of niobium ions released from calcium phosphate invert glasses containing Nb2O5 on osteoblast-like cell functions. Obata A, Takahashi Y, Miyajima T, Ueda K, Narushima T, Kasuga T. ACS Appl Mater Interfaces. 2012 Oct 24;4(10):5684-90. doi: 10.1021/am301614a.
  • Crystal structure and superconducting properties of hexagonal lithium-niobium oxynitride. Motohashi T, Ito M, Masubuchi Y, Wakeshima M, Kikkawa S. Inorg Chem. 2012 Oct 15;51(20):11184-9. doi: 10.1021/ic301870n.
  • Serum titanium, niobium, and aluminum levels after instrumented spinal arthrodesis in children. Cundy TP, Antoniou G, Sutherland LM, Freeman BJ, Cundy PJ. Spine (Phila Pa 1976). 2013 Apr 1;38(7):564-70. doi: 10.1097/BRS.0b013e3182741961.
  • Di-µ-chlorido-µ-(dimethyl sulfide)-bis-{dichlorido[(dimethyl selenide-?Se)(dimethyl sulfide-?S)(0.65/0.35)]niobium(III)}(Nb-Nb). Matsuura M, Fujihara T, Nagasawa A, Ng SW. Acta Crystallogr Sect E Struct Rep Online. 2012 Sep 1;68(Pt 9):m1166. doi: 10.1107/S1600536812033673.
  • Influence of niobium doping in hierarchically organized titania nanostructure on performance of dye-sensitized solar cells. Park JH, Noh JH, Han BS, Shin SS, Park IJ, Kim DH, Hong KS. J Nanosci Nanotechnol. 2012 Jun;12(6):5091-5.