Potassium perrhenate

{{Chembox

|ImageFile=K2ReO4.png

|ImageFile1=Potassium perrhenate.jpg

|Section1={{Chembox Identifiers

| CASNo= 10466-65-6

| CASNo_Ref = {{Cascite|correct|CAS}}

| EC_number= 233-953-8

| PubChem = 3661560

| ChemSpiderID = 2894851

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

| StdInChI=1S/K.4O.Re/q+1;;;;-1;

| StdInChIKey = QFKRWIFGDGKWLM-UHFFFAOYSA-N

}}

|Section2={{Chembox Properties

| Appearance= white solid

|K=1|Re=1|O=4

| Density= 5.39 g·cm⁻³{{Sigma-Aldrich|Aldrich|id=229822|Name=Potassium perrhenate, 99.98% trace metals basis|Abruf=2013-08-05}}

| MeltingPtC= 555

| BoilingPtC= 1370

| Solubility= 11.9 g·l⁻¹{{cite journal | last=Hölemann | first=Hans | last2=Klesse | first2=Walter | title=Beiträge zur Chemie und Elektrochemie des Rheniums VI. Die Löslichkeit des Kaliumperrhenats in Wasser zwischen 10 und 518° | journal=Zeitschrift für anorganische und allgemeine Chemie | publisher=Wiley | volume=237 | issue=2 | date=1938-04-22 | issn=0863-1786 | doi=10.1002/zaac.19382370207 | pages=172–176}}

| RefractIndex= 1.643 (20 °C){{Alfa|11411|Name=Potassium perrhenate, 99% (metals basis), Re 64%|Datum=2013-08-05}}

}}

|Section7 = {{Chembox Hazards

| GHS_ref={{cite web |title=Potassium perrhenate |url=https://pubchem.ncbi.nlm.nih.gov/compound/3661560#section=Safety-and-Hazards |website=pubchem.ncbi.nlm.nih.gov |language=en}}

| GHSPictograms = {{GHS03}}{{GHS07}}

| GHSSignalWord = Warning

| HPhrases = {{H-phrases|272|315|319|335}}

| PPhrases = {{P-phrases|210|220|261|264|264+265|271|280|302+352|304+340|305+351+338|319|321|332+317|337+317|362+364|370+378|403+233|405|501}}

}}

}}

Potassium perrhenate is an inorganic compound with the chemical formula KReO₄.