... ferric EDDHA, EDDHA Fe6%, EDDHA-Fe6. EDDHA iron salt, EDDHA ferric salt, EDDHA FeHNaChemical name: (EDDHA Fe6) CAS# : 16455-61-1Molecular Formular: C18H16N2O6FeNaMolecular Weight : 435.2Application:EDDHA Fe : ... horticulture etc.Indexes : Dark brow powder or crystal granularFe: 6%+0.4PH: 7-9(1% aqueous solution)Ortho-ortho: 2 ... .5, 3.0, 3.6, 4.2, 4.3-4.8% 40%, 50%, 60%, ...