| abstract |
(57) [Summary] (Modified) [Objective] To provide a solid preparation of a reactive phthalocyanine dye having improved water solubility, which is excellent in handling and stability. [Structure] General formula 1, for example, formula 3 (Pc is Cu, Ni phthalocyanine group, R 1 , R 2 , R'and R are H, an alkyl group, etc. B is a bridging member, alkylene, (Phenylene, etc., M is H, Li, etc., Z is a heterocycle group) A solid preparation of a reactive phthalocyanine dye, characterized in that it contains 5 to 15% by weight of acid binder. |