EDTA 99%(EDTA Chelate) Synonymy Ethylene diamine tetraacetic acid M.Formula C10H16N2O8 CAS No. 60-00-4 EDTA specification Assay 99.0% Min Chloride (Cl) 0.01% Max Sulfate (SO4) 0.05% Max Chelate value (mgCaCO3/g) 339 Min Iron (Fe) 0.001% Max Metal chelate(Pb) 0.001% Max Ph scale 2.8 TO 3.0 Handling/Storage/Toxicity Handling No special precautions necessary if used correctly. Storage Sealed, in cool and dry place Toxicity Non toxic Package 25kgs or 50lbs pp woven bag. 1000kgs Tote. Or as customer’s requested.Kindly contact us at kaihope at pekchem dot com, thank you.