Thermophysical properties and ecotoxicity of new nitrile functionalised protic ionic liquids

Khan, A.S. and Nasrullah, A. and Ullah, Z. and Bhat, A.H. and Ghanem, O.B. and Muhammad, N. and Rashid, M.U. and Man, Z. (2018) Thermophysical properties and ecotoxicity of new nitrile functionalised protic ionic liquids. Journal of Molecular Liquids, 249. pp. 583-590.

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Abstract

In this present research, five nitrile functionalised imidazolium based protic ionic liquids (PILs) by varying alkyl chain length of anions were synthesized. The synthesized ILs were characterized with nuclear magnetic resonance spectroscopy (NMR) and elemental analyser (CHNS). Various thermophysical properties such as refractive index, density, viscosity and thermal stability were measured over wide temperature range. From the density experimental data, different volumetric properties were estimated using well established empirical equations. Moreover, the effect of temperature and increase of alkyl substitutions attached to anion has been evaluated for the studied properties. The toxicity of the synthesized ILs has been assessed against three human pathogenic bacteria i.e., Aeromonas hydrophila A97 (AH), Escherichia coli E149 (EC), and Staphylococcus aureus S244 (SA) in light to identify the influence of increasing alkyl substitution of the anion moiety on the overall toxicity of PILs. © 2017

Item Type: Article
Impact Factor: cited By 0
Uncontrolled Keywords: Alkylation; Bacteria; Chain length; Cyanides; Escherichia coli; Ionic liquids; Ions; Liquids; Magnetic resonance spectroscopy; Negative ions; Nuclear magnetic resonance spectroscopy; Refractive index; Toxicity; Volumetric analysis, Alkyl chain lengths; Ecotoxicity; Effect of temperature; Nitrile functionality; Protic ionic liquids; Staphylococcus aureus; Volumetric properties; Wide temperature ranges, Thermodynamic properties
Depositing User: Mr Ahmad Suhairi Mohamed Lazim
Date Deposited: 01 Aug 2018 00:59
Last Modified: 01 Aug 2018 00:59
URI: http://scholars.utp.edu.my/id/eprint/22006

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