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          Sodium carbonate
          Product name: Sodium carbonate
          CAS NO: 497-19-8;7542-12-3
          Molecular weight: 105.99 
          EC NO: 207-838-8;231-420-4
          Molecular formula: Na2CO3
          InChI: InChI=1/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
          Structural formula:
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