Potassium perrhenate

Base Information

• Chemical Name: Potassium perrhenate
• CAS No.: 10466-65-6
• Molecular Formula: KReO4
• Molecular Weight: 289.303
• European Community (EC) Number: 233-953-8
• Wikipedia: Potassium_perrhenate
• Wikidata: Q15632835
• Mol file: 10466-65-6.mol

Synonyms:Potassium perrhenate;10466-65-6;potassium;oxido(trioxo)rhenium;Potassium tetraoxorhenate(VII);K.O4Re;Potassium rhenium oxide (KReO4);Perrhenic acid (HReO4), potassium salt;Potassium perrhenate(1-);K.O4-Re;Potassium rhenate (KReO4);Potassium perrhenate (6CI);EINECS 233-953-8;MFCD00011365;AKOS025243457;NSC 339905;P1939;EC 233-953-8;T71552;Rhenate (reo4(sup 1-)), potassium, (T-4)-;Q15632835

Chemical Property of Potassium perrhenate

Chemical Property:

• Appearance/Colour: white to slightly beige powder
• Melting Point: 550 °C(lit.)
• Refractive Index: 1.643
• Boiling Point: 1370 °C
• PSA: 74.27000
• Density: 4.887 g/mL at 25 °C(lit.)
• LogP: -0.47520
• Water Solubility.: Soluble in water.
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 289.899117
• Heavy Atom Count: 6
• Complexity: 118

Purity/Quality:

99.9% ^*data from raw suppliers

Potassium Perrhenate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): O, Xi
• Hazard Codes: O,Xi
• Statements: 8-36/37/38
• Safety Statements: 17-26-36

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Metals -> Metals, Inorganic Compounds
• Canonical SMILES: [O-][Re](=O)(=O)=O.[K+]
• Uses: The reduction of KReO4 in the preparation of cyclopentadienyltricarbonylrhenium complexes has potential as a model for the syntheses of technetium and rhenium organometallic radiopharmaceuticals.1 A powerful oxidizer. Also used for spectrometry, tungsten wire cathode coating color film and as catalyst. Potassium perrhenate is used as strong oxidizing agent and used in the synthesis of technetium and rhenium organometallic radiopharmaceuticals. The reduction of KReO4 in the preparation of cyclopentadienyltricarbonylrhenium complexes has potential as a model for the syntheses of technetium and rhenium organometallic radiopharmaceuticals.

Technology Process of Potassium perrhenate

There total 12 articles about Potassium perrhenate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

dipotassium oxohexachlororhenate(VI) → hydrogenchloride (7647-01-0,15364-23-5) + potassium hexachlororhenate(IV) + potassium perrhenate (10466-65-6) + potassium chloride

Guidance literature:

With water; In neat (no solvent); decompn. at 0 °C;;

Reference yield:

K{(η5-C5M35)Re(CO)2Br} → potassium perrhenate (10466-65-6) + pentamethylcyclopentadienyltrioxorhenium

Guidance literature:

With O₂; In tetrahydrofuran; Ar atmosphere or N2 filled dry-box; IR-spectroscopy;

Reference yield:

rhenium → potassium perrhenate (10466-65-6)

Guidance literature:

With H₂O₂; K₂CO₃; In water; Re was dissolved in H2O2, the formed perrhenic acid neutralized with K2CO3; product pptd.; recrystn. from the aq. soln. and dried in vac. at gradually increasing temp. from 300 to 500 K;

DOI:10.1016/0021-9614(82)90074-X

upstream raw materials:

potassium carbonate

dihydrogen peroxide

per-rhenic acid

rhenium(V) chloride

Downstream raw materials:

rhenium(I) pentacarbonyl chloride

decacarbonyldirhenium⁽⁰⁾

rhenium(I) pentacarbonyl bromide

carbon dioxide

Refernces

• 1、 Nunn, Christine M.,Cowley, Alan H.,Lee, Sang Woo,Richmond, Michael G.. "Reduction pathways in lateral and diagonal (η5-C5Me5)Re(CO)2Br2. Synthesis, structure, and reactivity of [(η5-C5Me5)Re(CO)2Br -]". . p. 2105 - 2112. Retrieved 2008/10/08.
• 2、 Weir, R. D.,Staveley, L. A. K.. "The heat capacity and thermodynamic properties of potassium perrhenate and ammonium perrhenate from 8 to 304 K". . p. 1386 - 1392. Retrieved 2007/10/02.