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Merck

223794

Sigma-Aldrich

五氧化二钒

≥98%

别名:

Vandia, 五氧化二钒

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About This Item

线性分子式:
V2O5
CAS号:
分子量:
181.88
EC號碼:
MDL號碼:
分類程式碼代碼:
12161600
PubChem物質ID:
NACRES:
NA.22

化驗

≥98%

形狀

powder

反應適用性

core: vanadium
reagent type: catalyst

mp

690 °C (lit.)

密度

3.35 g/mL at 25 °C (lit.)

SMILES 字串

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

InChI

1S/5O.2V

InChI 密鑰

GNTDGMZSJNCJKK-UHFFFAOYSA-N

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一般說明

五氧化二钒可用作氧化催化剂,将乙二醛氧化为乙醛酸。

應用

以 V2O5、Sb2O3 和高纯度过氧化氢为原料,采用溶胶-凝胶法制备了甲苯转化为苯甲腈或丙烯转化为丙烯腈的选择性氨氧化催化剂。已报告用微波辅助法制备新的稳定的氧化物离子导电的钒酸铋相的方法,即从 V2O5,Bi2O3 和其他固体氧化物。这些陶瓷在固体氧化物燃料电池、水蒸气电解槽和氧传感器方面显示出良好的应用前景。

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system, Respiratory Tract

儲存類別代碼

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

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

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


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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)
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
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
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

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