外观: dark red-brown micro-granular, 
螯合铁:6%;
分子量:435.2
CAS:16455-61-1
分子式:C18H16N2O6FeNa, 
临位铁ortho-ortho iron:1.8%min, 
pH value(1% of the solution): 7-9
溶解性(for practical use):approx.400g/l;
Chemical name:Ethylene diamine-N,N-bis(2-hydroxyphenylacetic acid) Ferric sodium complex