What is Potassium Carbonate?
Potassium Carbonate (K2CO3), historically known as Potash or Pearl Ash, is a strongly alkaline white crystalline salt that is highly soluble in water. It has been used industrially for centuries, originally produced from wood ash, and remains an important industrial chemical today for glass manufacturing, soap production, and various food and agricultural applications, valued for its strong alkalinity and effective potassium content.
Polychem Industries supplies Potassium Carbonate in industrial grade and food grade to glass manufacturers, soap and detergent producers, cocoa processing companies, and agricultural input formulators across India and internationally. Its versatility as a strong alkali source across multiple industries makes it an important specialty industrial chemical.
Available Grades
| Grade | Form | Purity | Standard | Applications |
|---|---|---|---|---|
| Industrial Grade | White crystalline powder/granules | 99%+ (Industrial / Food Grade) | Industrial | Glass manufacturing, soaps, detergents, fertilisers |
| Food Grade | White crystalline powder | 99.5%+ | FSSAI / FCC / E501 | Cocoa processing, baking, food pH adjustment |
Applications & Uses
Glass Manufacturing
One of the most significant industrial applications. Potassium Carbonate is used in the production of specialty glass including optical glass, television and computer screens, and certain glass types where potassium oxide content improves specific optical or physical properties compared to standard sodium-based glass.
Soaps & Detergents
Used in the production of soft soaps (potassium soaps), which remain liquid or paste-like rather than solidifying like sodium-based soaps, making Potassium Carbonate valuable for liquid soap and certain specialty cleaning product formulations.
Cocoa Processing (Dutching)
Food Grade Potassium Carbonate is used in the "Dutching" process for cocoa powder production, neutralising the natural acidity of cocoa to produce the darker colour and milder flavour characteristic of Dutch-process cocoa powder.
Fertilisers & Agriculture
Used as a potassium source in certain specialty fertiliser formulations, particularly where a fast-acting, highly soluble alkaline potassium source is required for specific crop or soil conditions.
Baking & Food pH Adjustment
Used in certain traditional baked goods as a leavening aid and pH adjuster, and in various food processing applications requiring precise alkalinity control.
Chemical Manufacturing
Used as a raw material and pH adjusting agent in various industrial chemical manufacturing processes, including the production of other potassium compounds and as a catalyst or reagent in certain chemical syntheses.
Technical Specifications
Potassium Carbonate — Key Properties
Why Source Potassium Carbonate from Polychem Industries?
- Industrial Grade and Food Grade (E501) available
- FSSAI compliant Food Grade supply with Certificate of Analysis
- Reliable bulk supply for glass, soap and cocoa processing manufacturers
- Strong alkalinity suited to specialty industrial applications
- Competitive pricing with consistent year-round availability
- Export documentation experience for international shipments
