208515
Niobium(V) oxide
−325 mesh, 99.9% trace metals basis
Synonym(s):
Niobia, Niobium oxide, Niobium pentoxide
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About This Item
Empirical Formula (Hill Notation):
Nb2O5
CAS Number:
Molecular Weight:
265.81
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-213-6
MDL number:
assay
99.9% trace metals basis
form
powder
reaction suitability
core: niobium
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
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
Promising results were obtained using niobium(V) oxide as an alternate electrode to lithium metal in advanced fuel cells.
Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
Features and Benefits
Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
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
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