N-Alkyl-N-methylmorpholiniumand N-alkyl substituted1,4-diazabicyclo[2.2.2]octane(DABCO)based ionic liquids(ILs), N-alkyl-DABCO,bearingshortalkylchainsarecharacterisedbyalowtoxicityto Vibrio fischeri, althoughtoxicitysignificantlyincreasesonincreasingthealkylchainlength.Alkylchainlength affects alsobiodegradabilityinthe28daystests;thehigherlevelofbiodegradationwasfoundinboththe series inthecaseoftheethyl(C2)derivatives.Inthecaseof N-ethyl DABCObasedIL,although biodegradabilityisstillaround40%,andconsequentlythisILcannotbeclassifiedas‘‘readilybiodegrad- able’’,thisvalueissimilartothemorebiodegradablefunctionalizedimidazoliumbasedILs.
Acute toxicity and biodegradability of N-alkyl-N-methylmorpholinium and N-alkyl-DABCO based ionic liquids / Pretti, C; Renzi, M; FOCARDI S., E; Giovani, A; Monni, G; Melai, B; Ramayani, S; Chiappe, C. - In: ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY. - ISSN 0147-6513. - ELETTRONICO. - 74:(2011), pp. 748-753. [10.1016/j.ecoenv.2010.10.032]
Acute toxicity and biodegradability of N-alkyl-N-methylmorpholinium and N-alkyl-DABCO based ionic liquids
RENZI M;
2011-01-01
Abstract
N-Alkyl-N-methylmorpholiniumand N-alkyl substituted1,4-diazabicyclo[2.2.2]octane(DABCO)based ionic liquids(ILs), N-alkyl-DABCO,bearingshortalkylchainsarecharacterisedbyalowtoxicityto Vibrio fischeri, althoughtoxicitysignificantlyincreasesonincreasingthealkylchainlength.Alkylchainlength affects alsobiodegradabilityinthe28daystests;thehigherlevelofbiodegradationwasfoundinboththe series inthecaseoftheethyl(C2)derivatives.Inthecaseof N-ethyl DABCObasedIL,although biodegradabilityisstillaround40%,andconsequentlythisILcannotbeclassifiedas‘‘readilybiodegrad- able’’,thisvalueissimilartothemorebiodegradablefunctionalizedimidazoliumbasedILs.Pubblicazioni consigliate
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