Diuranium pentoxide

{{Chembox

| ImageFile =

| Section1 = {{Chembox Identifiers

| CASNo = 12065-66-6

| PubChem = 5248017

| ChemSpiderID = 4415799

| StdInChI=1S/5O.2U

| StdInChIKey = FHWQTGBLQGZPJN-UHFFFAOYSA-N

| SMILES = O=[U](=O)O[U](=O)=O

}}

| Section2 = {{Chembox Properties

| Formula = U₂O₅

| MolarMass = 556.055 g/molWebElements, https://www.webelements.com

| Appearance = black crystal

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| Section8 = {{Chembox Related

| OtherAnions = Uranium pentafluoride
Uranium pentachloride

| OtherCations = Protactinium(V) oxide
Neptunium(V) oxide

| OtherFunction = Uranium dioxide
Triuranium octoxide
Uranium trioxide

| OtherFunction_label = uranium oxides}}

}}

Diuranium pentoxide (uranium(V) oxide) is an inorganic chemical compound of uranium and oxygen.{{cite journal|doi=10.1039/JR949000S303|title=S 62. The oxides of uranium|year=1949|last1=Alberman|first1=K. B.|last2=Anderson|first2=J. S.|journal=Journal of the Chemical Society (Resumed)|pages=S303}}