208515
Niobium(V) oxide
−325 mesh, 99.9% trace metals basis
Synonym(s):
Niobium pentoxide
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About This Item
Empirical Formula (Hill Notation):
Nb2O5
CAS Number:
Molecular Weight:
265.81
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
Assay
99.9% trace metals basis
form
powder
particle size
−325 mesh
density
4.47 g/mL at 25 °C (lit.)
SMILES string
O=[Nb](=O)O[Nb](=O)=O
InChI
1S/2Nb.5O
InChI key
ZKATWMILCYLAPD-UHFFFAOYSA-N
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General description
Niobium(V) oxide, also known as niobium pentoxide, is a white crystalline powder. It is a refractory metal oxide with a high melting point of over 2500 °C and high chemical stability, including to oxygen and moisture. Niobium(V) oxide is mainly used as a raw material in the production of niobium and niobium alloys, as a catalyst in chemical reactions, and as a refractory material in high-temperature applications. It is also used as a dielectric material in capacitors and as a pigment in ceramics and glasses.
Application
Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
Promising results were obtained using niobium(V) oxide as an alternate electrode to lithium metal in advanced fuel cells.
Features and Benefits
Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
Storage Class Code
11 - Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
Robert L Karlinsey et al.
Biomedical materials (Bristol, England), 1(1), 16-23 (2008-05-07)
Crystalline, self-assembled niobium oxide microstructures formed in situ via potentiostatic anodization of niobium foil in an HF(aq) electrolyte solution are proposed as exceptional nucleators of Ca-P minerals, including hydroxyapatite. This material was tested for bioactivity through immersion in simulated and
Fabrication and characterization of MIM diodes based on Nb/Nb2O5 via a rapid screening technique.
Prakash Periasamy et al.
Advanced materials (Deerfield Beach, Fla.), 23(27), 3080-3085 (2011-05-25)
Edmar Martendal et al.
Journal of hazardous materials, 161(1), 450-456 (2008-05-06)
In this study a new method for chromium speciation in water using solid phase extraction coupled to a flow injection system and flame atomic absorption spectrometry was developed. The adsorption behavior of Cr(III) and Cr(VI) on Nb2O5-SiO2 allowed the selective
Matthew D Pickett et al.
Nanotechnology, 23(21), 215202-215202 (2012-05-04)
We built and measured the dynamical current versus time behavior of nanoscale niobium oxide crosspoint devices which exhibited threshold switching (current-controlled negative differential resistance). The switching speeds of 110 × 110 nm(2) devices were found to be Δt(ON) = 700
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