Potassium dithionite
Chemical structure of potassium dithionite
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/2K.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2 checkY
    Key: HEZHYQDYRPUXNJ-UHFFFAOYSA-L checkY
  • InChI=1/2K.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
    Key: HEZHYQDYRPUXNJ-NUQVWONBAU
  • [O-]S(=O)S(=O)[O-].[K+].[K+]
Properties
K2O4S2
Molar mass 206.32 g/mol
Appearance light yellow powder
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Potassium dithionite or potassium hydrosulfite is a potassium salt of dithionous acid.

The compound has UN number UN 1929. As a dithionite, it is closely related to sodium dithionite, which is a commonly used reducing agent and bleaching agent.

See also

References


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