Description
Potassium Carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution. It can be made as the product of potassium hydroxide’s absorbent reaction with carbon dioxide. It is deliquescent, often appearing a damp or wet solid. Potassium carbonate is used in the production of soap and glass.
- Formula
- K2CO3
- Molar mass
- 138.205 g/mol
- CAS Number
- 584-08-7
- Density
- 2.428 g/cm3
- Purity/Grade
- ≥99.0% (ACS Reagent)
- Appearance
- Crystalline
- Water solubility
- 1120 g/l at 20°C (68°F) – completely soluble
- Melting point/freezing point
- 891°C (1,636°F)
- pH
- 11.0 – 13 at 138 g/l at 25°C (77°F)
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