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223794

Sigma-Aldrich

Vanadium(V) oxide

≥98%

Sinonimo/i:

Divanadium pentaoxide, Divanadium pentoxide, Pentaoxodivanadium, Vandia

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100 G
CHF 37.10
500 G
CHF 136.00

CHF 37.10


Spedizione prevista il13 aprile 2025


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Cambia visualizzazione
100 G
CHF 37.10
500 G
CHF 136.00

About This Item

Formula condensata:
V2O5
Numero CAS:
Peso molecolare:
181.88
Numero CE:
Numero MDL:
Codice UNSPSC:
12161600
ID PubChem:
NACRES:
NA.22

CHF 37.10


Spedizione prevista il13 aprile 2025


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Livello qualitativo

Saggio

≥98%

Stato

powder

Impiego in reazioni chimiche

core: vanadium
reagent type: catalyst

Punto di fusione

690 °C (lit.)

Densità

3.35 g/mL at 25 °C (lit.)

Stringa SMILE

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

InChI

1S/5O.2V
GNTDGMZSJNCJKK-UHFFFAOYSA-N

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Descrizione generale

Vanadium(V) oxide is used as an oxidation catalyst for the oxidation of glyoxal to glyoxylic acid.[1]

Applicazioni

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.[2] 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.[3]

Avvertenze

Danger

Classi di pericolo

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

Organi bersaglio

Respiratory system, Respiratory Tract

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

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


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I clienti hanno visto anche

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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)
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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
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.
Xinyi Chen et al.
ACS nano, 6(9), 7948-7955 (2012-08-09)
A multiwall carbon nanotube (MWCNT) sponge network, coated by ALD V(2)O(5), presents the key characteristics needed to serve as a high-performance cathode in Li-ion batteries, exploiting (1) the highly electron-conductive nature of MWCNT, (2) unprecedented uniformity of ALD thin film

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Questions

1–4 of 4 Questions  
  1. What is the particle size of the 223794-100G Vanadium Oxide?

    1 answer
    1. This material particle size will be 850 um or less.

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  2. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  3. What is the density of Product 223794, Vanadium(V) oxide?

    1 answer
    1. The reported density is 3.35 g/mL at 25°C(lit.)

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  4. What is Product 223794, Vanadium(V) oxide, soluble in?

    1 answer
    1. According to the chemicals encyclopedia published by the Royal Society of Chemistry (ed. 13, 9987), one gram dissolves in approximately 125 mL of water. It is soluble in concentrated acids, forming red to yellow solutions; soluble in alkalies, forming vanadates; it is insoluble in alcohol.

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