Patent ID: 8110329

Claim:
A toner for developing an electrostatic charge, image comprising: a binder resin; a coloring agent; and a compound represented by the chemical formula (2): wherein R 12 and R 22 satisfy the following conditions (1) to (4); (1) R 12 and R 22 independently represent any one of a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure; (2) at least one of R 12 and R 22 contains at least one SO 2 R 32 group as a substituent; (3) R 32 is OR 42 ; and (4) R 42 represents any one of a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure.