Other Names
Potassium Pyrosulfite

Description
By heating potassium bisulfite until it loses water.

Properties
- decomposes at 150-190C
- d 2.3
- pungent sharp odor
- white to off-white granules or powder
- oxidizes in air and moisture to sulfate soluble in water
- insoluble in alcohol.

Directions for use
Antiseptic, reagent, source of sulfurous acid brewing (cleaning casks and vats), wine-making (said to kill only undesirable yeasts and bacteria), food preservative, developing agent (photography), process engraving and lithography, dyeing, antioxidant, bleaching agent.

Hazard Warning
See MSDS

Dosage
None

Packaging
1 kg & 25 kg bag