Potassium perrhenate

Identifiers

CAS Number

* 10466-65-6 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 2894851

EC Number |

* 233-953-8

PubChem CID

* 3661560

InChI

* InChI=1S/K.4O.Re/q+1;;;;-1;

Key: QFKRWIFGDGKWLM-UHFFFAOYSA-N

SMILES

* [K+].[O-][Re](=O)(=O)=O

Properties

Chemical formula

| KO4Re
Molar mass | 289.301 g·mol−1
Appearance  | white solid[1]
Density | 5.39 g·cm−3[1]
Melting point |  555[2] °C (1,031 °F; 828 K)
Boiling point |  1,370[2] °C (2,500 °F; 1,640 K)

Solubility in water

| 11.9 g·l−1[3]

Refractive index (nD)

| 1.643 (20 °C)[4]
Hazards
GHS pictograms |
GHS Signal word | Warning

GHS hazard statements

| H272, H315, H319, H335

GHS precautionary statements

| P210, P220, P261, P264, P264+265Script error: No such module "Preview warning".Category:GHS errors, P271, P280, P302+352, P304+340, P305+351+338, P319Script error: No such module "Preview warning".Category:GHS errors, P321, P332+317Script error: No such module "Preview warning".Category:GHS errors, P337+317Script error: No such module "Preview warning".Category:GHS errors, P362+364Script error: No such module "Preview warning".Category:GHS errors, P370+378, P403+233, P405, P501

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

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

## Preparation

Potassium perrhenate can be produced by the neutralization of potassium hydroxide and perrhenic acid.[2]

KOH+HReO4⟶KReO4+H2O

## Properties

Potassium perrhenate is a white solid that is sparingly soluble in water and ethanol. It have a tetragonal crystal system with the space group I41/a (No. 88), and lattice constants a = 567.4 pm and c = 1266.8 pm.[2] It is a strong oxidizer.[4]

## References

1. ↑ 1.0 1.1 Sigma-Aldrich Co., product no. 229822.
2. ↑ 2.0 2.1 2.2 2.3 hrsg. von Georg Brauer. Unter Mitarb. von M. Baudler (1981) (in de). Handbuch der präparativen anorganischen Chemie / 3.. Stuttgart: Enke. p. 1633. ISBN 3-432-87823-0. OCLC 310719495.
3. ↑ Hölemann, Hans; Klesse, Walter (1938-04-22). "Beiträge zur Chemie und Elektrochemie des Rheniums VI. Die Löslichkeit des Kaliumperrhenats in Wasser zwischen 10 und 518°". Zeitschrift für anorganische und allgemeine Chemie (Wiley) 237 (2): 172–176. doi:10.1002/zaac.19382370207. ISSN 0863-1786.
4. ↑ 4.0 4.1 Potassium perrhenate, 99% (metals basis), Re 64% at AlfaAesar, accessed on 2013-08-05 (PDF) (JavaScript required).
5. ↑ "Potassium perrhenate" (in en). https://pubchem.ncbi.nlm.nih.gov/compound/3661560#section=Safety-and-Hazards.

* v
* t
* e

Potassium compounds

* KAsO2
* KBr
* KBrO3
* KCN
* KCNO
* KCl
* KClO
* KClO3
* KClO4
* KF
* KH
* KHCO2
* KHCO3
* KHF2
* KHS
* KHSO3
* KHSO4
* KH2AsO4
* KH2PO3
* KH2PO4
* KI
* KIO3
* KIO4
* KMnO4
* KNH2
* KN3
* K3N
* KNO2
* KNO3
* KOCN
* KOH
* KO2
* KPF6
* KSCN
* KCH3COO
* K2Al2O4
* K2CO3
* K2CrO4
* K2Cr2O7
* K2FeO4
* K2HPO4
* K2MnO4
* K2O
* K2O2
* K2PtCl4
* K2PtCl6
* K2S
* K2SeO4
* K2SO3
* K2SO4
* KHSO5
* K2S2O5
* K2S2O7
* K2S2O8
* K2Po
* K2SiO3
* K3[Fe(CN)6]
* K3[Fe(C2O4)3]
* K4[Fe(CN)6]
* K3PO4
* K4Mo2Cl8

* v
* t
* e

Rhenium compounds

Rhenium(0)|

| Organorhenium(0)|

* Re2(CO)10

|

Rhenium(I)|

| Organorhenium(I)|

* Re(CO)5Br
* ReH(CO)5

|

Rhenium(II)|

* ReB2

Rhenium(III)|

* ReCl3

Rhenium(IV)|

* ReO2
* ReS2
* ReSe2
* ReTe2

Rhenium(V)|

* ReOCl3(P(C6H5)3)2
* ReCl5

Rhenium(VI)|

* ReF6
* ReO3

Rhenium(VII)|

* ReF7
* Re2O7
* Re2S7
* Re2O7(OH2)2
* NH4ReO4
* NaReO4
* K2ReH9

| Organorhenium(VII)|

* CH3ReO3

|

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*[CID]: Compound ID
*[H272]: May intensify fire: oxidizer
*[H315]: Causes skin irritation
*[H319]: Causes serious eye irritation
*[H335]: May cause respiratory irritation
*[P210]: Keep away from heat/sparks/open flames/hot surfaces – No smoking
*[P220]: Keep/Store away from clothing/…/combustible materials
*[P261]: Avoid breathing dust/fume/gas/mist/vapours/spray
*[P264]: Wash … thoroughly after handling
*[P271]: Use only outdoors or in a well-ventilated area
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P302+352]: IF ON SKIN: Wash with soap and water
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P321]: Specific treatment (see … on this label)
*[P370+378]: In case of fire: Use … for extinction
*[P403+233]: Store in a well ventilated place. Keep container tightly closed
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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