Antimony pentoxide (Sb2O5) is a chemical compound of antimony and oxygen. It always occurs in hydrated form, Sb2O5·nH2O.[

Arsenic pentoxide, As2O5, is an important commercial compound of arsenic. Its usage with respect to arsenic chemistry, as well as its toxicology are similar to arsenic trioxide, As2O3. Arsenic pentoxide is used as a solid or as a solution in the manufacturing of arsenates, weed killer, metal adhesives, insecticides, fungicides, wood preservatives, and colored gases and in printing and dyeing.[1]

Dinitrogen pentoxide is the chemical compound with the formula N2O5. Also known as nitrogen pentoxide, N2O5 is one of the binary nitrogen oxides, a family of compounds that only contain nitrogen and oxygen. It is an unstable and potentially dangerous oxidizer that once was used as a reagent for nitrations but has largely been superseded by NO2BF4 (nitronium tetrafluoroborate).

Phosphorus pentoxide is a chemical compound with molecular formula P4O10. This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant.

Vanadium(v) oxide (vanadia) is the chemical compound with the formula v2o5. Commonly known as vanadium pentoxide, this orange solid is the most important[citation needed] compound of vanadium. Upon heating it reversibly loses oxygen. Related to this ability, v2o5 catalyses several useful aerobic oxidation reactions, the largest scale of which underpins the production of sulfuric acid from sulfur dioxide.

Phosphorus pentoxide is a chemical compound with molecular formula P4O10. This white crystalline solid is the anhydride of phosphoric acid. It is a powerful de

Niobium pentoxide, is the chemical compound with the formula Nb2O5. It is used mainly in the production of capacitors, lithium niobate, and optical glass.It has many polymorphic forms all based largely on octahedrally coordinated niobium atoms.[2] The polymorphs are identified with a variety of prefixes.[2] The form most commonly encountered is monoclinic H-Nb2O5 which has a complex structure, with a unit cell containing 28 niobium atoms and 70 oxygen, where 27 of the niobium atoms are octahedrally coordinated and one tetrahedrally.

Causes severe irritation and burns. May Be harmful if swallowed. Avoid breathing vapor or dust. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed