Vanadium pentoxide

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A yellow to red crystalline powder. Vanadium pentoxide is used as a yellow and red colorant in ceramic glazes and textiles. When added to Glass, vanadium pentoxide gives it a yellow color and acts as a UV absorber. Vanadium pentoxide also acts as a developer in photographic solutions.

Synonyms and Related Terms

vanadic anhydride; divanadium pentoxide; vanadium(V)oxide

Chemical structure

Vanadium pentoxide.jpg

Other Properties

Soluble in acids and alkalis. Slightly soluble in water, ethanol.

Orthorhombic crystals.

Composition V2O5
CAS 1314-62-1
Melting Point 690
Density 3.357
Molecular Weight mol. wt. = 181.88
Boiling Point 1750

Hazards and Safety

Toxic by skin absorption, inhalation or ingestion. Contact causes severe irritation.

LINK: International Chemical Safety Card

Sources Checked for Data in Record

  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 10056
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 840
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979