| abstract |
An ionic liquid containing no halogen atom is provided. An ionic liquid (A) comprising an anion (B) and a cation (C), wherein the anion (B) is at least one selected from the group consisting of anions represented by the formula (3). An ionic liquid comprising an ionic liquid (A). (R 9 to R 12 are each a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms which may have a hydroxyl group, an amino group, a nitro group, a cyano group, a carboxyl group, an ether group or an aldehyde group. Can be the same or different.) [Selection figure] None |