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Vanadium(V) oxide is the inorganic compound with the formula V2O5.
V 5340 (OTTO) Vanadium(V) oxide, 99.99% (metals basis) - used as an industrial catalyst for the manufacture of sulfuric acid, maleic anhydride, phthalic anhydride, adipic acid, acrylic acid, oxalic acid and anthraquinone.