Product Overview
Potassium Carbonate (K₂CO₃) is a white, hygroscopic, water-soluble salt used extensively in specialty glass manufacturing, food processing, pharmaceutical excipients, and as a potassium source in liquid fertilizer blends. With 68% K₂O equivalent content, it serves as a chloride-free, non-corrosive alternative to KOH for pH adjustment and potassium supplementation. Dongkwang Poland supplies food-grade (E501) and technical-grade K₂CO₃ sourced from European electrolysis facilities, ensuring consistent quality and regulatory compliance.
How Potassium Carbonate (K₂CO₃) Works
K₂CO₃ is a moderately strong base that hydrolyses in water to release K⁺ ions and carbonate/bicarbonate buffering. In glass production, it lowers melting temperature and improves optical clarity versus sodium carbonate. In agriculture, the carbonate anion neutralises soil acidity while delivering plant-available potassium. In food processing, it acts as a leavening agent, acidity regulator, and drying agent for cocoa powder.
Key Benefits
Application Guide
Glass manufacturing: 10-15% of batch composition replacing Na₂CO₃ for crystal and optical glass. Food industry: 0.1-2% as leavening agent or cocoa alkaliser. Liquid fertilizers: dissolved to provide K₂O and raise pH in acidic NPK liquid blends. Wine industry: potassium carbonate is used for cold stabilisation. Dosage rates depend on specific application — contact our technical team for formulation guidance.
Ideal For
Storage & Handling
Store in sealed containers in a dry environment. K₂CO₃ is highly hygroscopic — absorbs moisture rapidly from air, causing caking. Maximum stack height: 3 pallets. Shelf life: 24 months in sealed packaging. Mildly irritant — use gloves and dust mask during handling. Non-hazardous for transport.




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