Thorium(IV) selenate

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| ImageFile = File:2.svgFile:Selenate Structural Formula A V2.svgFile:Th4+.svg

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| Section1 = {{Chembox Identifiers

| index1_label = octahydrate

| CASNo = 22995-92-2

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| PubChem = 164180524

| StdInChI=1S/2H2O4Se.Th/c2*1-5(2,3)4;/h2*(H2,1,2,3,4);/q;;+4/p-4

| StdInChIKey = KFDASNGZTQPZMX-UHFFFAOYSA-J

| InChI1=1S/2H2O4Se.8H2O.Th/c2*1-5(2,3)4;;;;;;;;;/h2*(H2,1,2,3,4);8*1H2;/q;;;;;;;;;;+4/p-4

| InChIKey1=GQVPIFSYRFSKJO-UHFFFAOYSA-J

| SMILES = [O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Th+4]

| SMILES1 = [O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Th+4].O.O.O.O.O.O.O.O

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| Section2 = {{Chembox Properties

| Formula = Th(SeO₄)₂

| MolarMass = 517.964

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| Solubility = 0.5g/100g of water (10 °C)Guangqi Liu, Lianxiang Ma, Jie Liu. 化学化工物性数据手册（无机卷） [Chemistry and Chemical Engineering Handbook of Physical Properties - Inorganic]. Chemical Industry Press. 16.2 Selenates. pp 570. {{ISBN|7-5025-3591-8}}

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| Section3 = {{Chembox Structure

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| Section7 = {{Chembox Hazards

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| Section8 = {{Chembox Related

| OtherAnions = Thorium(IV) selenide
Thorium(IV) sulfate

| OtherCations = Cerium(IV) selenide

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Thorium(IV) selenate is an inorganic compound with the chemical formula Th(SeO₄)₂. It exists in the octahydrate formG. Wyroubov. The Selenate of Thorium. Paris. Z. Kryst. Min., 1910. 47. 371-372. CAN4: 10278. and as a basic salt.{{cite journal|journal=Inorganic Chemistry|volume=54|issue=6|language=en|issn=0020-1669|date=2015-03-16|pages=3022–3030|doi=10.1021/acs.inorgchem.5b00133|url=https://pubs.acs.org/doi/10.1021/acs.inorgchem.5b00133|title=Chemical and Structural Evolution in the Th–SeO 3 2– /SeO 4 2– System: from Simple Selenites to Cluster-Based Selenate Compounds|accessdate=2020-04-23|author=Bin Xiao, Eike Langer, Jakob Dellen, Hartmut Schlenz, Dirk Bosbach, Evgeny V. Suleimanov, Evgeny V. Alekseev|pmid=25719971 }}