| 摘要 |
Disclosed is a photosensitive material for electrophotography containing a pentakisazo pigment of the following formula: <IMAGE> +TR <IMAGE> wherein the rings A1 and A2 may have halogen atoms, alkyl groups or alkoxy groups as substituents at the ortho-positions to the azo groups, the ring B may have a halogen atom, an alkyl group or an alkoxy group as a substituent or may contain the ring Z1, Z1 which is an aromatic or hetero ring fused to the benzene ring B, and Y stands for a group of the following formula: <IMAGE> +TR <IMAGE> in which Z2 stands for an aromatic ring or a hetero ring, Ar1 stands for an aromatic ring or a hetero ring, Ar2 and Ar3 stand for an aromatic ring, R0 stands for a hydrogen atom, a lower alkyl group or a phenyl group, R1 stands for a lower alkyl group, a carboxyl group or an ester thereof, and R2 and R3 stand for a hydrogen atom, a lower alkyl group, a phenyl group or a substituted derivative thereof.
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