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223794

Sigma-Aldrich

Vanadium(V) oxide

≥98%

Synonym(s):

Divanadium pentaoxide, Divanadium pentoxide, Pentaoxodivanadium, Vandia

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About This Item

Linear Formula:
V2O5
CAS Number:
1314-62-1
Molecular Weight:
181.88
EC Number:
215-239-8
MDL number:
MFCD00011457
UNSPSC Code:
12161600
PubChem Substance ID:
24853404
NACRES:
NA.22

Assay

≥98%

form

powder

reaction suitability

core: vanadium
reagent type: catalyst

mp

690 °C (lit.)

density

3.35 g/mL at 25 °C (lit.)

SMILES string

O=[V](=O)O[V](=O)=O

InChI

1S/5O.2V

InChI key

GNTDGMZSJNCJKK-UHFFFAOYSA-N

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General description

Vanadium(V) oxide is used as an oxidation catalyst for the oxidation of glyoxal to glyoxylic acid.

Application

Selective ammoxidation catalysts for such reactions as conversion of toluene to benzonitrile or propylene to acrylonitrile were prepared by a sol-gel method from V2O5, Sb2O3 and high purity hydrogen peroxide. Preparation of new stabilized, oxide ion-conducting, bismuth vanadate phases by a microwave assisted method, fromV2O5, Bi2O3 and other solid oxides, was reported. These ceramics show promise in solid oxide fuel cells, water-vapor electrolyzers and oxygen sensors.

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 2 - Carc. 1B - Lact. - Muta. 2 - Repr. 2 - STOT RE 1 Inhalation - STOT SE 3

Target Organs

Respiratory system, Respiratory Tract

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

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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V2O5/C catalyst for liquid phase oxidation of glyoxal to glyoxylic acid
Niu Y and Li R
Science China: Chemistry, 52, 1057-1062 (2019)
Gongming Wang et al.
ACS nano, 6(11), 10296-10302 (2012-10-12)
Here we report a new strategy to improve the electrochemical stability of vanadium oxide electrodes for pseudocapacitors. Vanadium oxides are known to suffer from severe capacitance loss during charging/discharging cycling, due to chemical dissolution and ion intercalation/deintercalation-induced material pulverization. We
B Saravanakumar et al.
ACS applied materials & interfaces, 4(9), 4484-4490 (2012-08-24)
Vanadium pentoxide (V(2)O(5)) has attracted attention for supercapcitor applications because of its extensive multifunctional properties. In the present study, V(2)O(5) nanoporous network was synthesized via simple capping-agent-assisted precipitation technique and it is further annealed at different temperatures. The effect of
M Gruber et al.
The Journal of chemical physics, 138(9), 094704-094704 (2013-03-15)
Extended cluster models together with density-functional theory are used to evaluate geometric, energetic, and electronic properties of different adsorbate species that can occur at a vanadium oxide surface where the selective catalytic reduction (SCR) of NO in the presence of
Hongchang Pang et al.
Chemical communications (Cambridge, England), 49(15), 1536-1538 (2013-01-17)
A template-free strategy is exploited to bottom-up synthesize yolk-shell vanadium oxide through a two-step spontaneous assembly of hydrolytically formed subunits in a one-pot process. The unique structured vanadium pentoxide exhibits excellent cathode performance for lithium ion batteries.
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