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261963

Sigma-Aldrich

Perrhenic acid solution

75-80 wt. % in H2O

Synonym(s):

Hydrogen perrhenate, Hydrogen tetraoxorhenate

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About This Item

Linear Formula:
HReO4
CAS Number:
13768-11-1
Molecular Weight:
251.21
MDL number:
MFCD00011326
UNSPSC Code:
12161600
PubChem Substance ID:
24855847
NACRES:
NA.22

form

liquid

reaction suitability

core: rhenium
reagent type: catalyst

concentration

75-80 wt. % in H2O

density

2.16 g/mL at 25 °C

SMILES string

O[Re](=O)(=O)=O

InChI

1S/H2O.3O.Re/h1H2;;;;/q;;;;+1/p-1

InChI key

UGSFIVDHFJJCBJ-UHFFFAOYSA-M

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Application

  • Perrhenic acid solution (HReO4) can be used in dehydrations of oximes, amides, and urea.
  • HReO4 can also catalyze azeotropic dehydration of syn- or anti-aldoximes to yield corresponding nitriles.
  • In combination with tertiary arsines, it gives a versatile catalytic system for epoxidation of alkenes with hydrogen peroxide.

It is also used to prepare highly conducting and superconducting synthetic metals.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Rhenium catalysed epoxidations with hydrogen peroxide: tertiary arsines as effective cocatalysts.
van Vliet, Michiel CA et al.
Journal of the Chemical Society, 114(3), 377-380 (2000)
Alexiane Thevenet et al.
Dalton transactions (Cambridge, England : 2003), 50(5), 1620-1630 (2021-01-21)
The extraction of technetium, present in nitric acid medium as pertechnetate anion, is an issue in solvent extraction processes used to recover uranium and plutonium. In the present study, a complexing agent is added in the aqueous nitric acid solution
Inorg. Synth., 26, 386-386 (1989)
Rhenium (VII) oxo complexes as extremely active catalysts in the dehydration of primary amides and aldoximes to nitriles.
Ishihara, Kazuaki et al.
Angewandte Chemie (International Edition in English), 114(16), 3109-3112 (2002)
Rhenium (VII) Oxide.
eEROS (Encyclopedia of Reagents for Organic Synthesis), 114(16), 3109-3112 (2001)
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