The (eco)toxicity of the most common ionic liquid anions like [N(CN)2]−, [C(CN)3]−, [B(CN)4]−, [(CF3SO2)2N]−, [(C2F5)3PF3]− was investigated in test systems of different trophic level. In the same order, and thus with increasing hydrophobicity, a trend of higher toxicity was found. Especially the [(C2F5)3PF3]− moiety poses a significant hazard towards aquatic organisms.
Chemical Communications
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