Potassium dithionite
Compounds
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. Wikipedia
Formula: K2O4S2
ChemSpider ID: 55625