relation: https://khub.utp.edu.my/scholars/13548/ title: Synthesis, Characterization, and Antimicrobial Toxicity Study of Dicyanamide-Based Ionic Liquids and Their Application to Liquid-Liquid Extraction creator: El Blidi, L. creator: Saleh, J. creator: Ben Ghanem, O. creator: El-Harbawi, M. creator: Lévêque, J.-M. creator: Hadj-Kali, M.K. description: Four different dicyanamide-based ionic liquids (ILs), CnmpyDCA (n = 4, 6, 8, and 10), were synthesized, characterized, and used to separate ethylbenzene from n-octane. Equilibrium data for the corresponding ternary systems were measured at 313.15 K under atmospheric pressure. A higher selectivity is observed for lower aromatic concentrations in the feed (20% max); this is a key factor in selecting a suitable IL. The distribution ratio and selectivity obtained in this work are comparable to those of commercial solvents. The nonrandom two-liquid model (NRTL) was successfully used to correlate the experimental tie-lines and to calculate the phase compositions of the ternary systems. Moreover, the antimicrobial activities of the ILs were evaluated by examining their 50% effective concentrations (EC50) using the standard microbroth dilution test against four human bacterial pathogens. 1-Butyl 3-methylpyridinium dicyanamide C4mpyDCA was found as the most suitable IL among those investigated because of its low toxicity with EC50 values between 41.35 and 58.08 mmol·L-1 and its performance in liquid-liquid extraction for the ethylbenzene/n-octane mixture. Copyright © 2019 American Chemical Society. publisher: American Chemical Society date: 2020 type: Article type: PeerReviewed identifier: El Blidi, L. and Saleh, J. and Ben Ghanem, O. and El-Harbawi, M. and Lévêque, J.-M. and Hadj-Kali, M.K. (2020) Synthesis, Characterization, and Antimicrobial Toxicity Study of Dicyanamide-Based Ionic Liquids and Their Application to Liquid-Liquid Extraction. Journal of Chemical and Engineering Data, 65 (1). pp. 34-42. ISSN 00219568 relation: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85076694575&doi=10.1021%2facs.jced.9b00654&partnerID=40&md5=07aaf1d84a243d2a99e383594f97f13e relation: 10.1021/acs.jced.9b00654 identifier: 10.1021/acs.jced.9b00654