We are offeringFerrous EDTA Powder.Our product EDTA (Ethylenediaminetetraacetic Acid) Boron EDTA Boron EDTA Copper EDTA Physical & Chemical Properties: Phyical Form Powder Color Light Blue Molecular Weight 397.7 Assay 98% pH 4-5 Minimum Metal Content 12% Chelation Value ï EDTA Copper Features : Long shelf life Stored anywhere Wide demand Calcium EDTA EDTA Calcium Benefits : Involved in nitrogen