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223794

Sigma-Aldrich

Vanadium(V) oxide

≥98%

Sinónimos:

Divanadium pentaoxide, Divanadium pentoxide, Pentaoxodivanadium, Vandia

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About This Item

Fórmula lineal:
V2O5
Número de CAS:
1314-62-1
Peso molecular:
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.

signalword

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

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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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
Filipe Natalio et al.
Nature nanotechnology, 7(8), 530-535 (2012-07-04)
Marine biofouling--the colonization of small marine microorganisms on surfaces that are directly exposed to seawater, such as ships' hulls--is an expensive problem that is currently without an environmentally compatible solution. Biofouling leads to increased hydrodynamic drag, which, in turn, causes
Heng Ji et al.
Nano letters, 12(6), 2988-2992 (2012-05-15)
Vanadium dioxide (VO(2)) is a strongly correlated transition metal oxide with a dramatic metal-insulator transition at 67 °C. Researchers have long been interested in manipulating this transition via the field effect. Here we report attempts to modulate this transition in
Vaidyanathan, B. et al.
Chemistry of Materials, 10, 3400-3400 (1998)
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