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Potassium carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution.
P 1039 (OTTO) Potassium carbonate, 99.997% Cas 584-08-7 - used as a drying agent for solvents especially if there are traces of acids present, and as a scavenger of acids produced in organic synthesis.