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      Sodium metasilicate
      Product name: Sodium metasilicate
      CAS NO: 6834-92-0
      Molecular weight: 122.07118 
      EC NO: 229-912-9
      Molecular formula: Na2SiO3
      InChI: InChI=1/2Na.HO3Si/c;;1-4(2)3/h;;4H/q2*+1;-2
      Structural formula:
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