Vanadium(V) oxide (vanadia) is the inorganic compound with the formula V2O5. Commonly known as vanadium pentoxide, it is a brown/yellow solid, although when freshly precipitated from an aqueous solution, its colour is deep orange. Because of its high oxidation state, it is both an amphoteric oxide and an oxidizing agent. From the industrial perspective, it is the most important compound of vanadium, being the principal precursor to alloys of vanadium and is a widely used industrial catalyst.
|CAS NO.||1314-62-1||EINECS NO.||215-239-8|
|TOXICITY||Oral rat LD50: 10 mg/kg||CLASSIFICATION||Catalyst, Inorganic Chemistry|
|PHYSICAL STATE||Yellow to rust-brown flake or powder||MELTING POINT||690 ℃|
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1.Vanadium pentoxide is widely applied as a catalyst in various gas phase oxidation processes. While manufacturing sulfiric acid vanadium pentoxide helps sulfir dioxide to convert to sulfir trioxide. Vanadium pentoxide on a silica base 4-6% content is the most often used catalyst.
2.Vanadium pentoxide find its application in the ceramics industry as a component in pigments and inks,that helps to create a variety of tints from brown to green. Inks and pigments have consentration up to 15% of vanadium pentoxide powder, pentoxide of higher consentration is supplied in an oil base.
3.Vanadium pentoxide can also be applied as a coloring agent in special glass production. With less than 0.5% of vanadium content it helps to achieve filtering ultraviolet properties.
4.Vanadium pentoxide is recently used as a filtration system in cars for cleaning from exhaust gas emissions.Vanadium pentoxide proved to be very useful in this field of application.
Storgaer And Handling Practices: All employees who handle this material should be trained to handle it safely. Minimize all exposures to this substance. Avoid breathing airborne dusts of Vanadium Pentoxide. Use in a well-ventilated location. Open containers slowly, on a stable surface. Keep container tightly closed when not in use. Inspect all incoming containers before storage, to ensure containers are properly labeled and not damaged. Store containers in a cool, dry location, away from direct sunlight, sources of intense heat, or where freezing is possible. Material should be stored in secondary containers, or in a diked area, as appropriate. Store containers away from incompatible chemicals. If appropriate, post waming signs in storage and use areas. Empty containers may contain residual Vanadium Pentoxide; therefore, empty containers should be handled with care. Do not perform any welding, cutting, soldering, drilling, or other hot work on an empty container until all liqUid and vapors have been cleared. Use forklifts or other material handling equipment when moving large containers of Vanadium Pentoxide (to prevent back injury or other potential physical injuries)
Handling Practices: All workers should be well trained to handle the marerial safely during all operations.Minimize all exposures of the content as possible. Work in closed,but well-ventilated facility,make sure that the dust does not get into the respiratory tract.Open package slowly only on a stable surface.