| abstract |
An information recording medium having high recording characteristics and high stability that can sufficiently maintain the recording characteristics over a long period of time is provided. In an information recording medium in which a recording layer capable of recording information by a laser beam is provided on a substrate, An optical information recording medium in which the recording layer contains at least one compound represented by the following general formula (I). [Chemical 1] In the formula, R represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, X represents an anion, and m represents 0, 1 or 2 A represents a group represented by the general formula (II) or (III), n represents 1 or 2, and at least one of the aromatic rings of the formula (I) is an acyl group, an alkylsulfonyl group , Substituted by an arylsulfonyl group, an alkoxycarbonyl group, a sulfamoyl group, a nitro group or a cyano group. |