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:
InChI key
ZKATWMILCYLAPD-UHFFFAOYSA-N
InChI
1S/2Nb.5O
SMILES string
O=[Nb](=O)O[Nb](=O)=O
assay
99.9% trace metals basis
form
powder
particle size
−325 mesh
density
4.47 g/mL at 25 °C (lit.)
Quality Level
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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
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)
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)
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
Akiko Obata et al.
ACS applied materials & interfaces, 4(10), 5684-5690 (2012-10-04)
The effects of niobium ions released from 60CaO-30P(2)O(5)-(10-x)Na(2)O-xNb(2)O(5) (mol %, x = 0-10) glasses on MC3T3-E1 cell functions were evaluated by culture tests with two systems; cell culture on glass plates, or in culture media containing glass extracts. Alkaline phosphatase
Robert L Karlinsey et al.
Bioinspiration & biomimetics, 1(1), 12-19 (2007-08-03)
The formation aspects of a polycrystalline self-assembled bioceramic leading to the nucleation of hard-tissue mineral from a supersaturated solution are discussed. Scanning electron imaging and surface-sensitive interrogations of the nucleated mineral indicated the presence of an intermediate amorphous layer encompassing
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