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Arsenic trioxide

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Arsenic trioxide

Molecular formula: As2O3 CAS# 1327-53-3
Categories: Oxide
Arseneous anhydride
Arseneous oxide
Arseni trioxydum
Arsenic sesquioxide
Arsenic trioxide
Arsenic(III) oxide
Arsenic, white
Arsenicum album
Arsenious Acid Anhydride
Arsenious trioxide
Poison flour
White arsenic

Variants of the formula:

Elemental composition
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Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Arsenic trioxide is involved

  • As2O3 + 3SnCl2 + 6HCl -> 2As + 3SnCl4 + 3H2O
  • 2HNO3"(50%)" + As2O3 -> NO2"|^" + NO"|^" + 2HAsO3
  • 2HNO3 + As2O3 + 2H2O -> 2H3AsO4 + N2O3
  • 3As2O3 + 4HNO3 + 7H2O -> 4NO"|^" + 6H3AsO4
  • As2O3 + 4HNO3 + H2O -> 4NO2"|^" + 2H3AsO4