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223794

Sigma-Aldrich

Vanadium(V) oxide

≥98%

Sinônimo(s):

Divanadium pentaoxide, Divanadium pentoxide, Pentaoxodivanadium, Vandia

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100 G
R$ 413,00
500 G
R$ 1.408,00

R$ 413,00

Disponível para enviar em22 de abril de 2025Detalhes

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100 G
R$ 413,00
500 G
R$ 1.408,00

About This Item

Fórmula linear:
V2O5
Número CAS:
1314-62-1
Peso molecular:
181.88
Número CE:
215-239-8
Número MDL:
MFCD00011457
Código UNSPSC:
12161600
ID de substância PubChem:
24853404
NACRES:
NA.22

R$ 413,00

Disponível para enviar em22 de abril de 2025Detalhes

Solicite uma grande encomenda

Nível de qualidade

200

Ensaio

≥98%

Formulário

powder

adequação da reação

core: vanadium
reagent type: catalyst

pf

690 °C (lit.)

densidade

3.35 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

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

InChI

1S/5O.2V

chave InChI

GNTDGMZSJNCJKK-UHFFFAOYSA-N

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Descrição geral

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

Aplicação

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]

Palavra indicadora

Danger

Classificações de perigo

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

Órgãos-alvo

Respiratory system, Respiratory Tract

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
MKCV9237
MKCS9363
MKCV4160
MKCT8724
MKCS5364

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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)
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.
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
Pailin Ngaotrakanwiwat et al.
Journal of nanoscience and nanotechnology, 12(1), 828-833 (2012-04-25)
TiO2-V2O5 was prepared and evaluated as an energy storage material for photocatalysts with high capacity and initial charging rate. The compound was successfully obtained by sol-gel technique and effects of compound composition and calcination temperature on the energy storage ability
Chunhua Han et al.
Nano letters, 12(9), 4668-4673 (2012-08-07)
Rational assembly of unique complex nanostructures is one of the facile techniques to improve the electrochemical performance of electrode materials. Here, a substrate-assisted hydrothermal method was designed and applied in synthesizing moundlily like radial β-AgVO(3) nanowire clusters. Gravitation and F(-)
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Questions

1–6 of 6 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  3. 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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  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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  5. 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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  6. 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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