| Molecular Formula | K2CO3
|
| Molar Mass | 138.21 |
| Density | 2.43 g/mL at 25 °C |
| Melting Point | 891 °C (lit.) |
| Boling Point | decomposes [STR93] |
| Water Solubility | 1120 g/L (20 ºC) |
| Solubility | Easily soluble in water, insoluble in ethanol and ether. |
| Appearance | White powder or granule |
| Specific Gravity | 2.29 |
| Color | Yellow |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: 0.03',
, 'λ: 280 nm Amax: 0.02'] |
| Merck | 14,7619 |
| BRN | 4267587 |
| pKa | 10.33[at 20 ℃] |
| PH | 10.52(1 mM solution);11(10 mM solution);11.36(100 mM solution); |
| Storage Condition | Store at +5°C to +30°C. |
| Stability | Stable. Incompatible with moisture, acids, magnesium bromine trifluoride and magnesium bromine trichloride. |
| Sensitive | Hygroscopic |
| MDL | MFCD00011382 |
| Physical and Chemical Properties | Characteristics of monoclinic, white powder or fine granular crystal.
melting point 891 ℃
relative density 2.428
solubility: soluble in water, insoluble in ethanol and ether. |
| Use | Used in glass, printing and dyeing, soap, enamel, preparation of potassium salt, ammonia decarbonylation, also used in color TV industry, mainly used in food as leavening agent |
China
