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Vanadium(IV) oxide

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Identification
Molecular formula
VO
CAS number
12036-21-4
IUPAC name
oxovanadium(2+)
State
State

At room temperature, vanadium(IV) oxide is in a solid state. It can conduct electricity and is known for its phase transition properties around 68 °C which makes it interesting for various applications including smart materials.

Melting point (Celsius)
1 970.00
Melting point (Kelvin)
2 243.00
Boiling point (Celsius)
3 270.00
Boiling point (Kelvin)
3 543.00
General information
Molecular weight
82.94g/mol
Molar mass
82.9400g/mol
Density
4.0000g/cm3
Appearence

Oxovanadium(2+), commonly referred to as Vanadium(IV) oxide or vanadium dioxide, typically appears as a dark blue to dark gray crystalline solid. The appearance can vary based on the refinement and particle size. Under high pressure, it might exhibit metallic luster due to phase transitions it undergoes.

Comment on solubility

Solubility of Oxovanadium(II) Compounds

Oxovanadium(II), denoted as VO2+, presents interesting characteristics regarding its solubility. Understanding the solubility of this compound is crucial for various applications, including catalysis and biochemistry. Here are some key points to consider:

  • Aqueous Solubility: Oxovanadium(II) displays limited solubility in water, and its behavior can significantly be influenced by the pH of the solution.
  • Interaction with ligands: The presence of chelating agents or specific ligands can substantially improve the solubility of oxovanadium(II) compounds by forming more soluble complex species.
  • Citrate and Tartrate Complexes: Oxovanadium(II) may form soluble complexes with citric or tartaric acid, enhancing its availability in biological systems and potential applications in nutrition.
  • Environmental Considerations: In environmental chemistry, the solubility of oxovanadium(II) compounds can affect the mobility and bioavailability of vanadium in terrestrial and aquatic ecosystems.

Overall, the solubility of oxovanadium(II) compounds can be categorized as relatively low in pure water but can be enhanced through interaction with various organic molecules and changes in environmental conditions. Assessing solubility remains essential for practical applications and understanding its behavior in different settings.

Interesting facts

Interesting Facts about Oxovanadium(II)

Oxovanadium(II) is a fascinating chemical compound with significant relevance in various fields, particularly in biochemistry and materials science. Here are some intriguing aspects of this compound:

  • Valence State: The more commonly studied oxidation states of vanadium are +3 and +5; however, oxovanadium(II) is notable for its +2 oxidation state, making it unique in comparison to its more prevalent counterparts.
  • Biological Importance: Research indicates that oxovanadium(II) may exhibit insulin-mimetic properties, potentially making it a compound of interest in diabetes research. Its ability to influence glucose metabolism can be profound and worth investigating further.
  • Catalytic Activity: The unique electronic configuration of oxovanadium(II) allows it to serve as an effective catalyst in various chemical reactions, especially in the oxidation reactions which are pivotal in organic synthesis.
  • Structure: The geometry of oxovanadium(II) complexes can vary significantly depending on the ligands coordinated to the vanadium center. This adaptability leads to a variety of potential applications in coordination chemistry.
  • Research Applications: Scientists are exploring oxovanadium(II) for its potential role in developing new materials that exhibit interesting electronic and magnetic properties. These applications may lead to innovations in fields ranging from electronics to environmental technology.

As one delves deeper into the chemistry of oxovanadium(II), it becomes clear that this compound is more than just a simple transition metal complex; it is a bridge between fundamental research and practical applications. In the words of a renowned chemist, “The pursuit of knowledge in the realm of vanadium compounds may reveal secrets that could transform our understanding of catalysis and biological processes.”

Synonyms
Oxovanadium IV
20644-97-7
DTXSID30174682
RefChem:933922
DTXCID9097173
Vanadyl
Oxovanadium(2+)
oxidovanadium(2+)
VO(2+)
oxovanadium(IV)
Vanadyl(2+)ions
Vanadyl ion(2+)
Vanadium(4+) oxide ion
SCHEMBL29404699
CHEBI:30046
[VO](2+)
Q3554446