Iron chelating agent, method for producing same, method for determining amount of iron ions and method for trapping iron ions

摘要

The present invention provides an iron chelating agent which can selectively chelate iron ions. The iron chelating agent of the present invention includes a compound represented by the following formula (1) or a salt thereof (wherein, ring Z represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring; R¹ represents an alkylene group; R² and R³ each independently represent a hydrogen atom, a hydrocarbon group or a group having chelating ability; and the total coordination number of the groups represented by R² and R³ is 1 or 2.)