Elektrostatischer Bildentwicklungstoner

The present invention provides an electrophotographic toner free of metal such as chromium. A novel electrostatic image developing toner is provided, comprising as a charge-controlling agent one or more selected from the group consisting of compounds represented by formulae (I) and (II): wherein A and B each independently represent a hydrogen atom, a halogen atom, an alkoxyl group, a carboxyl group, a hydroxyl group, an ester group, a nitro group, an amino group, an alkylamino group, an alkyl group which may contain a substituent(s) or a phenyl group which may contain a substituent(s); R represents a hydrogen atom, an alkyl group which may contain a substituent(s), an alkyl group which may contain a substituent(s), a phenyl group which may contain a substituent(s) or a naphthyl group which may contain a substituent(s); m represents an integer of 2 to 16; and n represents an integer 4 to 8.