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Vanadium Dioxide (VO2)-Powder

Vanadium Dioxide (VO2)-Powder

CAS: 12036-21-4
Molecular Formula: VO2
Purity: 99.9%
Products Code: TR230800UN
Specification Model: - 200 mesh. 200 nm
Hazardous Class: Class6.1
EINECS No.: 234-841-1
UN No.: UN3285
Package Class: PG III
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Vanadium Dioxide (VO2)-Powder introduce:

Characteristic

Vanadium(IV) oxide or vanadium dioxide is an inorganic compound with the formula VO2. It is a dark blue solid. Vanadium(IV) dioxide is amphoteric, dissolving in non-oxidising acids to give the blue vanadyl ion, [VO]2+ and in alkali to give the brown [V4O9]2− ion, or at high pH [VO4]4−.




Chemical formula:VO2

Molar mass:82.94 g/mol

Appearance:Blue-black powder

Density:4.571 g/cm3 (monoclinic)

               4.653 g/cm3 (tetragonal)

Melting point:1,967 °C

Magnetic susceptibility (χ):+99.0·10−6 cm3/mol

Crystal structure:Distorted rutile (<70 °C, monoclinic)

                              Rutile (>70 °C, tetragonal)




Application

Vanadium dioxide stands out in the material world for its rapid and abrupt phase transition at a temperature of 68 °C. The electric conductivity of vanadium dioxide makes it have wide application potential in optical devices, electronic devices and optoelectronic devices.
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