CYAN TONER AND METHOD FOR PRODUCING CYAN TONER

摘要

Disclosed is a cyan toner having excellent light-transmitting properties which is higher in brightness and more greenish in hue than conventional cyan toners. The cyan toner contains, as a coloring material, a triphenylmethane dye compound represented by the formula (1) and having an -SO<SUB>2</SUB>NR<SUB>9</SUB>R<SUB>10</SUB> group in toner particles. In this connection, R<SUB>9</SUB> and R<SUB>10</SUB> independently represent a hydrogen atom, an alkyl group, an aryl group or an aralkyl group, or R<SUB>9</SUB> and R<SUB>10</SUB> may form a heterocyclic ring together with a nitrogen atom.