Synonym(s): 1,2-Bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid tetrasodium salt Formula: C22H20N2Na4O10 xH2O Formula weight: 564.37(anhy) Purity: 98% CAS Number: 126824-24-6 Harmonized Tariff Code:  2922.50