外观: dark red-brown micro-granular,a stable water-soluble metal chelate; 
螯合铁:6%; 
分子量:435.2
临位铁:3.0%min, 
CAS:16455-61-1
分子式:C18H16N2O6FeNa, 
pH value(1% of the solution): 7.5-8.5 
溶解性(for practical use):approx.400g/l; 
Chemical name:Ethylene diamine-N,N-bis(2-hydroxyphenylacetic acid) Ferric sodium complex