// Workers AI · dad joke modeWhat did potassium dithionite say? "I'm a reducing agent, I'm always cutting down.

Potassium dithionite

Chemical structure of potassium dithionite
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

Potassium dithionite or potassium hydrosulfite is a potassium salt of dithionous acid. It is a powdery or flaky light-yellow colored solid. It is used to make dyes and other chemicals

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

• List of UN numbers 1901 to 2000