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Potassium carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution.
P 2157 (OTTO) Potassium carbonate, GR 99%+ Cas 584-08-7 - used for deproteinization. Mild drying agent where other drying agents such as calcium chloride and magnesium sulfate may be incompatible.