Potassium dithionite

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Potassium dithionite

Identifiers
CAS number	14293-73-3^Y
PubChem	61726
ChemSpider	55625^Y
Jmol-3D images	{{#if:[O-]S(=O)S(=O)[O-].[K+].[K+]\|Image 1
SMILES [O-]S(=O)S(=O)[O-].[K+].[K+]
InChI InChI=1S/2K.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2+1;/p-2^Y Key: HEZHYQDYRPUXNJ-UHFFFAOYSA-L^Y 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
Properties
Molecular formula	K₂O₄S₂
Molar mass	206.32 g/mol
Appearance	light yellow powder
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

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

The compound has UN number UN 1929. It is an inhibitor of the polyphenol oxidase.

References

Potassium compounds

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