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Heading 2917

Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
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2917110091

  • Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
  • Oxalic acid, its salts and esters
  • Other
  • Oxalic acid, whether in dihydrate (CUS number 0028635-1 and CAS number 6153-56-6) or anhydrous form (CUS number 0021238-4 and CAS number 144-62-7) and whether or not in aqueous solution

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