EDTA acid 1,Iron chelated:13.0% 2,Purity:99.0% 3,Water insoluble:0.1 ... EDTA acid1, Chemical name: Ethylenediaminetetraacetic acid, ferric sodium complex 2, HS Code:29212190 3, CAS-No: 15708-41- ... a chelated form. Specification: 1, Purity:99.0% min 2, Iron chelated: 13%min. 3, Water insoluble: 0. ... the past one year, We can supply fertilizers and feed additive in ore, sand, crystal powder or granule with ...