Potassium Carbonate Anhydrous 99% ACS, Food Grade




Potassium carbonate is a white salt, soluble in water (insoluble in alcohol), which forms a strongly alkaline solution. It can be made as the product of potassium hydroxide’s absorbent reaction with carbon dioxide. It is deliquescent, often appearing a damp or wet solid. Potassium carbonate is used in the production of soap and glass.

  • Soap, glass and china production
  • Mild drying agent
  • Electrolyte for oxyhydrogen production
  • Cuisine (used as an ingredient)
  • Cocoa powder
  • Buffering agent
  • Softening hard water
  • Fire suppressant
  • Condensed aerosol fire suppression
  • Ingredient in welding fluxes
  • Stability in neurons
  • Animal feed ingredient

Food Grade

Minimum Assay: 99%
Molecular Formula: K2CO3
Molecular Weight: 138.21 g/mol
Solubility in water (% weight): 138 g/l at 20 C – completely soluble
Insoluble Matter in Water: <0.008%
Loss on drying at 300 C: <0.48%
Chloride (Cl): <0.001%
Phosphate (PO4): <0.0008%
Sulphate (as SO4): <0.003%
Calcium (Ca): <0.00036%
Iron (Fe): <0.0005%
Magnesium (Mg): <0.00012%
Sodium (Na): <0.02%
Silicate (SiO2): <0.004%

Hazard Phrases: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Prec Phrases: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Cas No: 584-08-7
Einecs No: 209-529-3

HS CODE:28364000


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


Additional information

Weight N/A
Pack Size

100gm, 250gm, 500gm, 1Kg, 2.5Kg, 5Kg, 25Kg