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Sodium bisulfite

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Sodium bisulfite

Molecular formula: HNaO3S CAS# 7631-90-5
Categories: Inorganic salt , Acid salt , Preservative
PubChem CID: 23665763 | CHEBI:26709 | ChemSpider ID: 571016
Names
English:
E222
Sodium bisulfite
Sodium bisulphite
Sodium hydrogen sulfite
Sulfurous acid, monosodium salt
sodium hydrogensulfite
sodium;hydrogen sulfite(IUPAC)

Variants of the formula:

NaHSO3
Na(+1)H(+1)S(+4)O(-2)3
HO/S`|O|\O^-/0Na^+
H-O-S<`||O>-O-Na
H/O\S|O`|/O^-\hNa^+
Na^+\0O//S<_(A75)O^->_(A15)OH
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sodium bisulfite is involved

  • 4NaHSO3 "0^oC,e-"--> 2Na2S2O4 + O2"|^" + 2H2O
  • 2Na2S2O4 + H2O "T"-> 2NaHSO3 + Na2SO3S
  • 2Na2S2O4 + HCl + H2O "20^oC"--> 3NaHSO3 + S"|v" + NaCl
  • 2Na2S2O4 + O2 + 2H2O -> 4NaHSO3
  • 4NaHSO3 + Zn "20^oC"--> Na2S2O4 + Na2SO3 + ZnSO3 + 2H2O