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          Ethylenediaminetetraacetic acid disodium salt
          Product name: Ethylenediaminetetraacetic acid disodium salt
          CAS NO: 139-33-3
          Molecular weight: 338.2211 
          EC NO: 205-358-3
          Molecular formula: C10H16N2Na2O8
          InChI: InChI=1/C10H16N2O8.2Na/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;/q;2*+1
          Structural formula:
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