203920

Sigma-Aldrich

Niobium(V) oxide

99.99% trace metals basis

Synonym(s):
Niobium pentoxide
Empirical Formula (Hill Notation):
Nb2O5
CAS Number:
Molecular Weight:
265.81
EC Number:
MDL number:
eCl@ss:
38180502
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.99% trace metals basis

form

powder

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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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.

Packaging

10, 50, 250 g in poly bottle

Features and Benefits

Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.

storage_class_code

11 - Combustible Solids

WGK Germany

nwg

Flash Point F

Not applicable

Flash Point C

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
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...
Y B Kiran et al.
Journal of agricultural and food chemistry, 55(17), 6933-6939 (2007-07-31)
Synthesis of some new substituted [3-(3-chloro-4-fluorophenyl)-2-oxo-3,4-dihydro-2H-2lambda(5)-benzo[e][1,3,2]oxazaphosphinin-2-yl]-(aryl/alkyl)methanols (7a-k) based on the Pudovick reaction was accomplished in the presence of niobium pentoxide (Nb(2)O(5)) without using an external chiral ligand. Nb(2)O(5) appears to form the metal complex intermediate catalyst system (6) by reacting...
Jian-Lang Li et al.
Optics express, 16(14), 10841-10848 (2008-07-09)
Cylindrical vector beams were produced from laser diode end-pumped Nd:YAG ceramic microchip laser by use of two types of subwavelength multilayer gratings as the axisymmetric-polarization output couplers respectively. The grating mirrors are composed of high- and low-refractive- index (Nb(2)O(5)/SiO(2)) layers...
The construction of high-nuclearity isopolyoxoniobates with pentagonal building blocks: [HNb27O76]16- and [H10Nb31O93(CO3)]23-.
Ryo Tsunashima et al.
Angewandte Chemie (International ed. in English), 49(1), 113-116 (2009-12-01)
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