POTASSIUM DITHIONITE

Potassium dithionite
Identifiers
CAS Number	14293-73-3 ;
3D model ( JSmol)	Interactive image;
ChemSpider	55625 ;
PubChem CID	61726;
UNII	0B8I49QLG5 ;
CompTox Dashboard ( EPA)	DTXSID40931687 ;
	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). verify ( what is ?) 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

This inorganic compound–related article is a stub. You can help Wikipedia by expanding it.

v t e Potassium compounds
H, (pseudo)halogens	KF KHF₂ KH KCl KClO KClO₃ KClO₄ KBr KBrO₃ KI KIO₃ KIO₄ KAt KCN KCNO KOCN KSCN
chalcogens	K₂O KOH K₂O₂ KO₂ KO₃ K₂S KHS K₂SO₃ KHSO₃ K₂SO₄ KHSO₄ KHSO₅ K₂S₂O₃ K₂S₂O₅ K₂S₂O₇ K₂S₂O₈ K₂Se K₂SeO₃ K₂SeO₄ K₂Te K₂TeO₃ K₂TeO₄ K₂Po
pnictogens	K₃N KNH₂ KN₃ KNO₂ KNO₃ K₃P KH₂PO₃ K₃PO₄ K₂HPO₄ KH₂PO₄ KPF₆ KAsO₂ K₃AsO₄ K₂HAsO₄ KH₂AsO₄
B, C group	B₄K₂O₇ K₂CO₃ KHCO₃ K₂SiO₃ K₂SiF₆ K₂Al₂O₄ K₂Al₂B₂O₇
trans metals	K₂PtCl₄ K₂Pt(CN)₄ K₂TiF₆ K₂PtCl₆ K₂ReCl₆ K₂ZrF₆ K₄Fe(CN)₆ K₃Fe(CN)₆ K₃Fe(C₂O₄)₃ K₂FeO₄ K₂MnO₄ KMnO₄ K₃CrO₄ K₂CrO₄ K₃CrO₈ KCrO₃Cl K₂Cr₂O₇ K₂Cr₃O₁₀ K₂Cr₄O₁₃ K₄Mo₂Cl₈
organic	KHCO₂ KCH₃CO₂ KCF₃CO₂ K₂C₂O₄ KHC₂O₄ KC₁₂H₂₃O₂ KC₁₈H₃₅O₂ C₃H₂K₂O₄ C₄H₆KO₄ C₅H₇KO₄

v t e Potassium compounds
H, (pseudo)halogens	KF KHF₂ KH KCl KClO KClO₃ KClO₄ KBr KBrO₃ KI KIO₃ KIO₄ KAt KCN KCNO KOCN KSCN
chalcogens	K₂O KOH K₂O₂ KO₂ KO₃ K₂S KHS K₂SO₃ KHSO₃ K₂SO₄ KHSO₄ KHSO₅ K₂S₂O₃ K₂S₂O₅ K₂S₂O₇ K₂S₂O₈ K₂Se K₂SeO₃ K₂SeO₄ K₂Te K₂TeO₃ K₂TeO₄ K₂Po
pnictogens	K₃N KNH₂ KN₃ KNO₂ KNO₃ K₃P KH₂PO₃ K₃PO₄ K₂HPO₄ KH₂PO₄ KPF₆ KAsO₂ K₃AsO₄ K₂HAsO₄ KH₂AsO₄
B, C group	B₄K₂O₇ K₂CO₃ KHCO₃ K₂SiO₃ K₂SiF₆ K₂Al₂O₄ K₂Al₂B₂O₇
trans metals	K₂PtCl₄ K₂Pt(CN)₄ K₂TiF₆ K₂PtCl₆ K₂ReCl₆ K₂ZrF₆ K₄Fe(CN)₆ K₃Fe(CN)₆ K₃Fe(C₂O₄)₃ K₂FeO₄ K₂MnO₄ KMnO₄ K₃CrO₄ K₂CrO₄ K₃CrO₈ KCrO₃Cl K₂Cr₂O₇ K₂Cr₃O₁₀ K₂Cr₄O₁₃ K₄Mo₂Cl₈
organic	KHCO₂ KCH₃CO₂ KCF₃CO₂ K₂C₂O₄ KHC₂O₄ KC₁₂H₂₃O₂ KC₁₈H₃₅O₂ C₃H₂K₂O₄ C₄H₆KO₄ C₅H₇KO₄

Identifiers

CAS Number	14293-73-3^Y
3D model ( JSmol)	Interactive image
ChemSpider	55625^Y
PubChem CID	61726
UNII	0B8I49QLG5^Y
CompTox Dashboard ( EPA)	DTXSID40931687
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