| abstract |
Provided is a novel colorant that is highly soluble in an organic solvent, excellent in heat resistance, and useful for forming a color filter or the like. The colorant of the present invention is represented by the following formula (1). [In the formula (1), D represents a colorant matrix, R represents a substituted or unsubstituted alkylene group, a substituted or unsubstituted alkenylene group, a substituted or unsubstituted divalent alicyclic hydrocarbon group, or a substituted Alternatively, it represents an unsubstituted arylene group, X + represents an organic ammonium ion, and m represents an integer of 1 or more. ] |