1-Methyl-3-ethylimidazolium hydrogen dichloride: Synthesis and application to the study of protons in ambient-temperature chloroaluminate ionic liquids
The syntheses of 1-methyl-3-ethylimidazolium hydrogen dichloride (ImHCl/sub 2/) and its deuterium analogue (Im/sup 2/HCl/sub 2/) and their use as proton/deuterium donors in ambient-temperature chloroaluminate melts are described. The material exists as a liquid at room temperature and has been characterized by /sup 1/H NMR spectroscopy. ImHCl/sub 2/ is itself an ambient-temperature molten salt composed of the Im/sup +/ cation and HCl/sub 2//sup /minus// anion. The /sup 2/H NMR chemical shifts of species derived from Im/sup 2/HCl/sub 2/ in 1-methyl-3-ethylimidazolium chloride/aluminum chloride melts lead the authors to suggest the HCl interacts with a second chloride in basic melt solutions, whereas it is more weakly complexes in acidic melt solutions. The quantitative addition of a proton by ImHCl/sub 2/ is demonstrated by use of pulse voltammetry. 16 refs., 3 figs.
- Research Organization:
- State Univ. of New York, Buffalo (USA)
- OSTI ID:
- 5974646
- Journal Information:
- Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 27:24; ISSN INOCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
400201* -- Chemical & Physicochemical Properties
400202 -- Isotope Effects
Isotope Exchange
& Isotope Separation
ALUMINATES
ALUMINIUM COMPOUNDS
AZOLES
CHEMICAL PREPARATION
DATA
DEUTERIUM
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
HYDROCHLORIC ACID
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
IMIDAZOLES
INFORMATION
INORGANIC ACIDS
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LIGHT NUCLEI
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
STABLE ISOTOPES
SYNTHESIS
TRACER TECHNIQUES