Chemistry:Potassium dithionite

Potassium dithionite
Identifiers
CAS Number	14293-73-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	55625 ;
PubChem CID	61726;
UNII	0B8I49QLG5 ;
	InChI InChI=1S/2K.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2+1;/p-2 Key: HEZHYQDYRPUXNJ-UHFFFAOYSA-L ; 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;
	SMILES [O-]S(=O)S(=O)[O-].[K+].[K+];
Properties
Chemical formula	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.

References

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Identifiers

CAS Number	14293-73-3^Y
3D model (JSmol)	Interactive image
ChemSpider	55625^Y
PubChem CID	61726
UNII	0B8I49QLG5^Y
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
SMILES [O-]S(=O)S(=O)[O-].[K+].[K+]
Properties
Chemical formula	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).
Y verify (what is ^YN ?)
Infobox references