METAL MONOHYDROGEN ETHYLENEDIAMINETETRAACETATE, METAL AMMONIUM ETHYLENEDIAMINETETRAACETATE, HYDRATES OF BOTH, AND PROCESS FOR PRODUCTION OF THE SAME

摘要

The invention provides organic compounds containing Group 13 metals which compounds are easily handleable and stable even in the atmosphere or in the presence of water and a process for producing the compounds easily in high yield and at a low cost. The metal monohydrogen ethylenediaminetetraacetate of the invention is represented by the general formula (1) and the metal ammonium ethylenediaminetetraacetate of the invention is represented by the general formula (2): [Chemical formula 1] (1) (2) wherein M3+ is a trivalent cation of at least one metal selected from among Group 13 elements.