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      Sodium sulfite
      Product name: Sodium sulfite
      CAS NO: 7757-83-7
      Molecular weight: 126.04 
      EC NO: 231-821-4
      Molecular formula: Na2SO3
      InChI: InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
      Structural formula:
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