| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat developable photosensitive material having sufficiently high sensitivity and maximum density and excellent in raw stock preservability. SOLUTION: In the heat developable photosensitive material having at least one photosensitive layer containing photosensitive silver halide, a non- photosensitive organic silver salt and a binder on the base, at least one compound of formula (1) is contained in the photosensitive layer and/or an adjacent layer. In the formula (1), R is H, alkyl, aralkyl, alkoxy, alkyl or aryl substituted amino, amido, sulfonamido, ureido, urethane, aryloxy, sulfamoyl, carbamoyl, aryl, alkylthio, arylthio, hydroxy, alkylcarbonyl, halogen, cyano or phosphoric acid amido.
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