Significant contributions of ionic liquids containing tetrafluoroborate and trifluoromethanesulfonate to antagonisms and synergisms in multi-component mixtures

► Multi-component mixtures of eight ionic liquids and those of four ILs. ► Obvious synergisms and antagonisms. ► Related components to toxicity interactions were analyzed. ► The related components included ILs containing BF4− and CF3SO3−.