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Sigma-Aldrich

Ammonium perrhenate

≥99%

Synonym(s):

Metaperrhenic acid ammonium salt, Rhenium standard solution

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About This Item

Linear Formula:
NH4ReO4
CAS Number:
13598-65-7
Molecular Weight:
268.24
EC Number:
237-075-6
MDL number:
MFCD00012377
UNSPSC Code:
12352302
PubChem Substance ID:
24859053
NACRES:
NA.23

Assay

≥99%

form

powder or crystals

reaction suitability

reagent type: catalyst
core: rhenium

density

3.97 g/mL at 25 °C (lit.)

SMILES string

N.O[Re](=O)(=O)=O

InChI

1S/H3N.H2O.3O.Re/h1H3;1H2;;;;/q;;;;;+1/p-1

InChI key

XPSXHXWHJAIQJR-UHFFFAOYSA-M

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General description

Ammonium perrhenate is a white crystalline solid soluble in ethanol and water. It is a weak oxidizer and widely used as a Re precursor in nanomaterial synthesis and Re-based catalyst preparation.

Application

Ammonium perrhenate used:
  • As a rhenium source to prepare Re nanoparticles for catalytic decomposition of ammonium perchlorate.
  • To synthesize ReS2 through a direct sulfidation reaction, for the fabrication of field effect transistors (FETs), digital logic devices, humidity sensors, and rechargeable supercapacitors.
  • As a precursor to prepare the heterogeneous catalysts for organic transformations.
  • An excellent precursor for the fabrication of ReOx/TiO2 recyclable solidcatalyst for deoxydehydration. For at least six runs in a row, the catalyst demonstrated catalyticactivity, selectivity, and stability without deactivation.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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