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Potassium carbonate

CAS No.:584-08-7
Product Grade: Industrial Grade
Purity / Assay: ≥99.0%
Molecular Formula:C K₂O₃
Molecular Weight:138.205 g/mol
Synonym(s):Potassium carbonate, Pearl ash, K₂CO₃

Potassium carbonate, identified by CAS 584-08-7, is a prominent inorganic compound that appears as a white, deliquescent salt. As a primary alkali, it is highly soluble in water, forming a strongly alkaline solution, though it remains insoluble in ethanol. Historically derived from wood ashes and known as potash, modern industrial production typically involves the reaction of potassium hydroxide with carbon dioxide. Its chemical stability and basicity make it a fundamental reagent in various synthetic processes and industrial applications.

In industrial and research settings, potassium carbonate is valued for its role as a buffering agent and a source of potassium ions. Due to its hygroscopic nature, it must be stored in tightly sealed containers to prevent clumping and degradation from atmospheric moisture. Its versatility extends from heavy industrial manufacturing to specialized laboratory synthesis, where it serves as a mild base for organic reactions, facilitating deprotonation without the extreme reactivity associated with stronger hydroxides.

• In the glass and ceramics industry, potassium carbonate acts as a critical fluxing agent, significantly lowering the melting temperature of the batch. It is particularly essential in the production of specialty glassware, such as optical lenses, television screens, and laboratory equipment, where it enhances the clarity, electrical resistance, and chemical durability of the finished product.

• Within the chemical manufacturing sector, this compound serves as a versatile mild base and a dehydrating agent in organic synthesis. It is frequently employed in the production of agricultural chemicals, soaps, and detergents, and acts as a precursor for various other potassium-based salts. Its ability to absorb moisture also makes it an effective drying agent for organic solvents during laboratory purification processes.

• The material finds significant use in the food industry as an acidity regulator and processing aid. It is traditionally used in the alkalization of cocoa powder to neutralize acidity and darken color, and it serves as a key ingredient in the preparation of certain traditional noodles and baked goods to improve texture and leavening.

• Additionally, potassium carbonate is utilized in the formulation of eco-friendly fertilizers and fire suppression agents. In agriculture, it provides a soluble source of potassium, an essential plant nutrient, while in fire safety, it is used in dry chemical extinguishers and condensed aerosol systems due to its ability to interfere with the chemical chain reactions of a fire.

25kg/bag; 25kg/drum; 1,000kg IBC Drum
CAS No.: 584-08-7

Product Name: Potassium carbonate

Purity / Assay:≥99.0%
Molecular Formula:C K₂O₃
Molecular Weight:138.205 g/mol
Synonym(s):Potassium carbonate, Pearl ash, K₂CO₃

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