Magenta toner for developing electrostatic images, colored resin, colored molded resin member and color filter

A magenta toner for developing electrostatic images which comprises a binder resin, a charge control agent and at least one kind of the dis-azo dye represented by the following formula [I]:

• ##STR11## wherein X represents methyl group, ethyl group or alkoxy group having 1 to 4 carbon atoms;
• Y represents hydrogen atom or methyl group;
• R.sup.1 and R.sup.2 independently represent hydrogen atom, alkyl group, alkoxy group or halogen atom;
• Q and Q' represent naphthol AS residue, wherein said binder resin and charge control agent are substantially colorless.

A magenta toner for developing electrostatic images comprising a composition obtained by polymerizing polymerizable composition in the presence of polymerization initiator wherein said polymerizable composition contains polymerizable monomer and at least one kind of the dis-azo dye represented by Formula [I]:

• ##STR12## wherein X represents methyl group, ethyl group or alkoxy group having 1 to 4 carbon atoms;
• Y represents hydrogen atom or methyl group;
• R.sup.1 and R.sup.2 independently represent hydrogen atom, alkyl group, alkoxy group or halogen atom;
• Q and Q' represent naphthol AS residue.

A colored resin containing in solution at least one kind of the dis-azo dye represented by the following formula [I]:

• ##STR13## wherein X represents methyl group, ethyl group or alkoxy group having 1 to 4 carbon atoms;
• Y represents hydrogen atom or methyl group;
• R.sup.1 and R.sup.2 independently represent hydrogen atom, alkyl group, alkoxy group or halogen atom;
• Q and Q' represent naphthol AS residue.

A colored molded resin member obtained by dyeing a molded resin member with t least one kind of the dis-azo dye represented by the following formula [I]:

• ##STR14## wherein X represents methyl group, ethyl group or alkoxy group having 1 to 4 carbon atoms;
• Y represents hydrogen atom or methyl group;
• R.sup.1 and R.sup.2 independently represent hydrogen atom, alkyl group, alkoxy group or halogen atom;
• Q and Q' represent naphthol AS residue.