Phase equilibria and modeling of ammonium ionic liquid, C2NTf2, solutions

The Journal of Physical Chemistry. B
Urszula DomańskaMarek Królikowski

Abstract

Novel quaternary ammonium ionic liquid, ethyl(2-hydroxyethyl)dimethylammonium bis(trifluomethylsulfonyl)imide (C2NTf2), has been prepared from N,N-dimethylethanolamine as a substrate. The paper includes a specific basic characterization of the synthesized compound by NMR and the basic thermophysical properties: the melting point, enthalpy of fusion, enthalpy of solid-solid phase transition, glass transition determined by the differential scanning calorimetry (DSC), temperature of decomposition, and water content. The density of the new compound was measured. The solid-liquid or liquid-liquid phase equilibria of binary mixtures containing {C2NTf2+water or an alcohol (propan-1-ol, butan-1-ol, hexan-1-ol, octan-1-ol, decan-1-ol), aromatic hydrocarbons (benzene, toluene), aliphatic hydrocarbons (n-hexane, n-octane), dimethylsulfoxide (DMSO), or tetrahydrofuran (THF)} have been measured by a dynamic method in a wide range of temperatures from 230 to 430 K. These data were correlated by means of the nonrandom two-liquid (NRTL) equation utilizing temperature-dependent parameters derived from the solid-liquid or liquid-liquid equilibrium. From the solubility results, the negative value of the partition coefficient of ionic liquid in bi...Continue Reading

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Citations

Oct 11, 2008·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Takashi Kakiuchi
Jul 12, 2014·The Journal of Physical Chemistry. B·Xiaoxing LuWenjun Fang
Mar 1, 2012·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Anabela J L CostaLuís Paulo N Rebelo
Jul 10, 2012·The Journal of Physical Chemistry. B·Anabela J L CostaLuís Paulo N Rebelo
Jun 15, 2018·Physical Chemistry Chemical Physics : PCCP·A Mão de FerroL P N Rebelo
Aug 14, 2008·The Journal of Physical Chemistry. B·Urszula Domańska, Kamil Paduszyński
May 6, 2009·The Journal of Physical Chemistry. B·Marijana BlesicLuís Paulo N Rebelo
Sep 26, 2008·The Journal of Physical Chemistry. a·Minh Tho NguyenDavid A Dixon
May 1, 2009·The Journal of Physical Chemistry. B·Urszula DomańskaAneta Pobudkowska
May 1, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Dhruve Kumar MitalAlnoman Taha
Mar 7, 2013·The Journal of Physical Chemistry. a·Vinh Son NguyenMinh Tho Nguyen

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