Description
Potassium carbonate Chemical Properties
| Melting point | 891 °C (lit.) |
| Boiling point | decomposes [STR93] |
| density | 2.43 g/mL at 25 °C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| pka | 10.33[at 20 ℃] |
| form | powder |
| Specific Gravity | 2.29 |
| color | Yellow |
| PH | 10.52(1 mM solution);11(10 mM solution);11.36(100 mM solution); |
| Odor | at 100.00?%. odorless |
| Water Solubility | 1120 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: 0.03 λ: 280 nm Amax: 0.02 |
| Merck | 14,7619 |
| BRN | 4267587 |
| Dielectric constant | 5.6（16.0℃） |
| Stability: | Stable. Incompatible with moisture, acids, magnesium bromine trifluoride and magnesium bromine trichloride. |
| CAS DataBase Reference | 584-08-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Dipotassium carbonate(584-08-7) |
| EPA Substance Registry System | Potassium carbonate (584-08-7) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38-20/21/22 |
| Safety Statements | 26-36-37/39 |
| RIDADR | 3262 |
| WGK Germany | 1 |
| RTECS | TS7750000 |
| F | 3 |
| TSCA | Yes |
| PackingGroup | III |
| HS Code | 28364000 |
| Hazardous Substances Data | 584-08-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 1.87 g/kg, H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969) |
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