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Sodium pyrosulfate

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Sodium pyrosulfate

Molecular formula: Na2O7S2 CAS# 13870-29-6
Categories: Inorganic salt
Disodium disulfate(IUPAC)
Disulfuric acid disodium salt
Sodium pyrosulfate [Wiki]
Sodium pyrosulphate
disodium;sulfonato sulfate(IUPAC)

Variants of the formula:

$slope(30)Na^+# -0O`^-/S<_qq4O><_pp4O>/O\S<_qq4O><_pp4O>\O^-# -0Na^+
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sodium pyrosulfate is involved

  • 2NaHSO4 "250^o"--> Na2S2O7 + H2O
  • Na2S2O7 "600^o"--> Na2SO4 + SO3"|^"
  • Al2O3 + 3Na2S2O7 "T"-> Al2(SO4)3 + 3Na2SO4
  • TiO2 + 2Na2S2O7 "T"-> Ti(SO4)2 + 2Na2SO4