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China, Germany, and the United States are the leading exporters of potassium carbonate, collectively accounting for over half of global exports in recent years; major importers include India, South Korea, and Mexico, driven by demand from glass, fertilizer, and pharmaceutical industries. Export volumes from China have remained stable while Indian imports have grown steadily, coinciding with moderate upward pressure on potassium carbonate prices amid tightening supply chains and regional regulatory shifts.
Potassium carbonate is a white, granular or crystalline solid, odorless and non-volatile, with a high melting point of approximately 891 °C and decomposes before boiling. It is an inorganic salt and strong base, highly soluble in water and deliquescent under humid conditions. Industrially, it serves as a catalyst, buffering agent, and intermediate in the synthesis of potassium compounds, including potassium hydroxide, potassium bicarbonate, and specialty fertilizers. Key application areas include glass manufacturing (as a flux in flat and container glass), soap and detergent production, food processing (as a pH regulator and stabilizer), and the synthesis of dyes, pharmaceuticals, and electronic-grade chemicals.
Potassium carbonate can be used as an alkaline agent and dough conditioner, and can also inhibit the souring of noodles. It can be applied to pasta food. Apply it in appropriate amount according to production requirement.Potassium carbonate can be used for the production of optical glass and can increase the transparency, strength and refractive co-efficiency of the glass. It can also be used in the production of welding electrodes and can prevent the phenomenon of breaking arc during welding. It can be used for the production of vat dyes and dyeing and the white discharge of ice dyeing. It can be used as the absorbent for removing hydrogen sulfide and carbon dioxide. When being mixed with soda ash, it can be used as a dry powder extinguishing agent.Potassium carbonate can also be used as the auxiliary material of acetone, and alcohol production and the antioxidant in the production of rubber. Its aqueous solution can be used for the scouring of cotton and the degreasing of wool. In addition, it can also be applied to the production of inks, pharmaceutical for photography, polyester, electroplating, leather, ceramic, building materials, crystal, potassium soap and medicine. Heavy potassium carbonate is mainly used as the raw material of production of kinescope glass shell and is widely used as the raw material of glass and special glass materials as well as being used for the decarbonization of chemical fertilizer.
It belongs to monoclinic, and is white powder or granular crystal. It is easily soluble in water but insoluble in alcohol and ether.
This chemical is included in Basic Chemicals. See more about what is Potassium carbonate and Potassium carbonate SDS information.
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