Potassium carbonate
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| Chemical formula | K2CO3 |
|---|---|
| OTP appearance | white powder |
| Molar Mass(g/mol) | 138 |
| Density(g/cc) | 2.43 |
| Melting Point(°C) | 891 |
| Solubility in water(g/L) | 1100 |
| Solubility in ethanol(g/L) | insoluble |
| NFPA 704 |  0
1
0
|
| Thermal decomposition of Potassium carbonate | |
| 84.5 | 1.5-hydrate
84.5°C anydrous |
| 891 | anhydrous
891°C liquid |
| 899-1141 | liquid
899-1141°C K2O,CO2 |
Uses
Primary
- Primary potassium salt for metathesis reaction with calcium salts
- Neutralization of acids
Natural occurrence
- Potassium carbonate occurs naturally in wood ash.