| abstract |
(57) [Summary] [Structure] A phthalocyanine derivative represented by the following general formula [I] and a phthalocyanine derivative represented by the above general formula [I] contained in the recording layer, which is composed of a substrate and a recording layer, as a light absorbing substance. Optical recording material to be used. (In the general formula [I], one of X and Y represents —O (OH 2 CH 2 O) nZ and the other one represents a hydrogen atom. A represents VO, Cu, Ni or Co. Representation) |