System to describe the chemical formulas for WEB.

Disodium disulfite

Find chemicals by name or formulas.
This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).

Type the part of name or the formula of substance for search:
Languages: | | | Apply to found

Disodium disulfite

Molecular formula: Na2O5S2 CAS# 7757-74-6
Categories: Inorganic salt
Disodium disulfite
Disodium disulphite
Disodium metabisulfite
Disodium pyrosulfite
Disulfurous acid, disodium salt
Pyrosulfurous acid, disodium salt
disodium sulfinato sulfite

Variants of the formula:

Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Disodium disulfite is involved

  • 2Na2S2O4 "52^oC"--> Na2SO3S + Na2S2O5
  • 2Na2S2O4 + O2 -> 2Na2S2O5
  • 3Na2S2O5 + 2H[AuCl4] + 3H2O → 2Au + 3Na2SO4 + 8HCl + 3SO2
  • Na2S2O5 + H2O ">80^oC"--> 2NaHSO3