Potassium Metabisulfite FCC Grade *

Select size:
Sale price $30.00
Sale price $37.00
*Custom Product may require additional time to process.
For questions regarding lead time, please contact a member of our Customer Care Team at customerservice@laballey.com



Potassium Metabisulfite, also known as Pyrosulfurous Acid, Dipotassium Salt, Dipotassium Disulfate, and Potassium Pyrosulfate, has the chemical formula K2S2O5 or K2O5S2. It appears as a white granular or powdery solid with a sharp rotten-egg-like (Sulfur Dioxide) odor. It is soluble in Water and insoluble in Ethanol at ambient conditions. When heated to decomposition it emits toxic fumes of sulfur oxides and potassium sulfate. The Food Chemicals Codex (FCC) has verified Lab Alley's high-quality Potassium Metabisulfite, FCC Grade for purity. Lab Alley is selling its premium quality Potassium Metabisulfite, FCC Grade online at laballey.com in the United States of America (USA).

Potassium Metabisulfite FCC Features:

Assay Min. 90.0%
Lead 2 mg/kg
Iron (Fe) 10 mg/kg
Selenium (Se) 5 mg/kg
Common Uses
  • Reagent
Commercial/Industrial Applications
  • Making of Wine
  • For Mead, cider, and beer
  • Removal of chlorine
  • Sterilization purposes
  • Food preservative
  • Pharmaceuticals
Safety and Handling

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Potassium Metabisulfite Food Grade.

View Product Manuals

Questions & Answers

Have a Question?

Be the first to ask a question about this.

Ask a Chemistry Question