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Merck
CN

203920

Niobium(V) oxide

99.99% trace metals basis

Synonym(s):

Niobia, Niobium oxide, Niobium pentoxide

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About This Item

Empirical Formula (Hill Notation):
Nb2O5
CAS Number:
1313-96-8
Molecular Weight:
265.81
PubChem Substance ID:
24852077
eCl@ss:
38180502
UNSPSC Code:
12352303
NACRES:
NA.23
EC Number:
215-213-6
MDL number:
MFCD00011128

Key Documents

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Product Name

Niobium(V) oxide, 99.99% trace metals basis

InChI key

ZKATWMILCYLAPD-UHFFFAOYSA-N

InChI

1S/2Nb.5O

SMILES string

O=[Nb](=O)O[Nb](=O)=O

assay

99.99% trace metals basis

form

powder

density

4.47 g/mL at 25 °C (lit.)

Quality Level

100

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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.

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.

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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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ3069
MKCX2957
MKCW8270
MKCT6006
MKCS2385

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Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
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
Hye-Na Kim et al.
ACS applied materials & interfaces, 4(11), 5821-5825 (2012-11-17)
This paper describes the use of Nb₂O₅-coated TiO₂ 3D ordered porous electrodes in dye-sensitized solar cells. We employed bilayer inverse opal structures as a backbone of 3D porous structures, and the number of Nb₂O₅ coatings was controlled, determining the concentration
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
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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