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Vanadium oxide

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Vanadium oxide
Vanadium pentoxide.pngVanadium(V)oxide formula.png
Systematic name dioxovanadiooxy(dioxo)vanadium[1]
Other names Vanadium pentoxide
Vanadic anhydride
Divanadium pentoxide[2] 
Molecular formula V2O5[1]
SMILES O=[V](=O)O[V](=O)=O[1]
Molar mass 181.9 g/mol[3]
Appearance Yellow-orange powder or dark-gray[1]
CAS number CAS number::1314–62–1[4]
Density and phase 3.357g/cm³, solid[2]
Solubility in water 0.8g/100 ml (20°C)[2]
Melting point Melting Point::690°C[1]
Boiling point Boiling Point::1,750°C (decomposes)[1]
Distorted trigonal bipyramidal (V)[2]
Crystal structure Orthorhombic[2]
MSDS Material safety data sheet
Main hazards Highly Toxic[3]
NFPA 704

NFPA 704 svg.png

Flash point Non-flammable[2]
R/S statement R: R20/22, R37, R48/23, R51/53, R63, R68[2]
S: (S1/2), S36/37, S38, S45, S61[2]
Related compounds
Other anions Vanadium oxytrichloride[2]
Other cations Niobium(V) oxide

Tantalum(V) oxide[2]

Related vanadium oxides Vanadium(II) oxide

Vanadium(III) oxide Vanadium(IV) oxide[2]

Except where noted otherwise, data are given for
materials in their standard state (at 25 °C, 100 kPa)
Disclaimer and references


Vanadium Oxide is an extremely toxic compound to humans. It is poisonous and can lead to skin, eye, and repiratory irritation.[1]


Facts of Vanadium Oxide.


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Vanadium(V) oxide ChemSpider. Web. Accessed Last December 9, 2015. Unknown Author.
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 Vanadium(V) oxide Wikipedia. Web. Last Modified November 16, 2015. Unknown Author.
  3. 3.0 3.1 Vanadium Pentoxide MSDS Science Lab. Web. Accessed Last December 12, 2015. Unknown Author
  4. Vanadium dust Centers for Disease Control and Prevention. Web. Last Modified December 4, 2014. Unknown Author.