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Sodium dithionite

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Sodium dithionite

Molecular formula: Na2O4S2 CAS# 7775-14-6
Categories: Inorganic salt
PubChem CID: 24489 | ChemSpider ID: 22897 | CHEBI:66870
Names
English:
Blankit
Blankit IN
Burmol
D-Ox
Disodium dithionite
Disodium hydrosulfite
Dithionous acid disodium salt
Dithionous acid, disodium salt
Dithionous acid,disodium salt
EINECS:231-890-0
Hydrolin
Hydros
Hydrosulfite R Conc
Natriumhydrosulfit
Reductone
Sodium Hydrosulfite (Albite A)
Sodium dithionite [Wiki]
Sodium dithionite or sodium hydrosulfite [UN1384] [Spontaneously combustible]
Sodium hydrosulfite
Sodium hydrosulphite
Sodium hypodisulfite
Sodium sulfoxylate
Sulfoxylate
V-Brite B
Vatrolite
Virtex L

Variants of the formula:

Na2S2O4
Na\O/S`|O|\S|O`|/O\Na
Na^+/0O`^-\S|O`|/S`|O|\O^-/0Na^+
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sodium dithionite is involved

  • Na2Se2 + Na2S2O4 + 4NaOH -> 2Na2Se + 2Na2SO3 + 2H2O
  • 2NaOH + 2SO2 + Zn "0^oC"--> Na2S2O4 + Zn(OH)2"|v"
  • 2SO2 + 2Na "10^oC"--> Na2S2O4
  • 4NaHSO3 "0^oC,e-"--> 2Na2S2O4 + O2"|^" + 2H2O
  • 2Na2S2O4 "52^oC"--> Na2SO3S + Na2S2O5