potassium selenate

{{Chembox

| verifiedrevid =

| Name = Potassium selenate

| ImageFile = Potassium selenate.png

| ImageName =

| IUPACName =

| OtherNames =

|Section1={{Chembox Identifiers

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

| ChemSpiderID_Ref =

| ChemSpiderID =

| PubChem = 62680

| InChI = 1S/2K.H2O4Se/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

| InChIKey = YAZJAPBTUDGMKO-UHFFFAOYSA-L

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI =

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey =

| CASNo = 7790-59-2

| CASNo_Ref = {{cascite|correct|CAS}}

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = 99798PU7MI

| RTECS = VS6600000

| EINECS = 232-214-7

}}

|Section2={{Chembox Properties

| Formula = {{chem|K|2|SeO|4}}

| MolarMass = 221.2 g/mol{{cite web | title=Potassium Selenate K2SeO4 Molecular Weight | website=EndMemo | url=http://www.endmemo.com/chem/compound/k2seo4.php | access-date=2019-09-03}}

| Appearance = colorless crystals
hygroscopic

| Odor = odorless

| Density = 3.07 g/cm3{{cite web | access-date=2019-09-03 | url=https://www.americanelements.com/potassium-selenate-7790-59-2 | title=Potassium Selenate | website=American Elements}}

| Solubility = 1.07 g/ml (0 °C)
1.11 g/ml (20 °C)
1.22 g/ml (100 °C)

| MeltingPt =

| BoilingPt =

| pKa =

| pKb =

| Viscosity =

| RefractIndex = 1.539

}}

|Section3={{Chembox Structure

| MolShape =

| Coordination =

| CrystalStruct = orthorhombic

| Dipole =

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|Section7={{Chembox Hazards

| ExternalSDS =

| MainHazards =

| FlashPt =

| NFPA-H = 3 | NFPA-F = 1 | NFPA-R = 0

| HPhrases =

| PPhrases =

| GHS_ref =

}}

|Section8={{Chembox Related

| OtherAnions = Potassium sulfate

| OtherCations = Sodium selenate

| OtherCompounds =

}}

}}

Potassium selenate, {{chem|K|2|SeO|4}}, is an odorless, white solid that forms as the potassium salt of selenic acid.