It is an object of the present invention to provide a material for electrolytic solutions suited for use as material in electrolytic solutions serving as ionic conductors in electrochemical devices, such as large-capacity cells or batteries.The present invention is related to a material for electrolytic solutions which comprises, as an essential constituent, an anion represented by the general formula (1): ##STR00001## wherein X represents at least one element selected from among B, N, O, Al, Si, P, S, As and Se; M.sup.1 and M.sup.2 are the same or different and each represents an organic linking group; a is an integer of not less than 1, and b, c and d each independently is an integer of not less than 0.