261963
Perrhenic acid solution
75-80 wt. % in H2O, liquid
Synonym(s):
Hydrogen perrhenate, Hydrogen tetraoxorhenate
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About This Item
Linear Formula:
HReO4
CAS Number:
Molecular Weight:
251.21
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22
MDL number:
Product Name
Perrhenic acid solution, 75-80 wt. % in H2O
form
liquid
Quality Segment
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
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.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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