Patent ID: 8034956

Claim:
An ionic liquid comprising a cationic component and an anionic component, wherein the cationic component contains fluorine atoms and contains a chemical structure represented by formula (1) or formula (2): (in formula (1), x denotes an integer of 1 to 20, y denotes an integer of 0 to 5, and R A denotes one selected from the group consisting of hydrogen, aliphatic hydrocarbon groups, aromatic hydrocarbon groups, carboxylic acid groups, ester groups, ether groups, acyl groups, and amino groups), (in formula (2), z denotes an integer of 2 to 20, y denotes an integer of 0 to 5, and R A denotes one selected from the group consisting of hydrogen, aliphatic hydrocarbon groups, aromatic hydrocarbon groups, carboxylic acid groups, ester groups, ether groups, acyl groups, and amino groups).