| Melting point: |
decomposes at 350℃ [HAW93] |
| Boiling point: |
691.46℃[at 101 325 Pa] |
| Density |
2.350 |
| vapor pressure |
0Pa at 25℃ |
| solubility |
soluble in H2O, ethanol, ethyl ether |
| form |
gray cubic crystals |
| color |
gray cubic crystals, crystalline |
| Water Solubility |
soluble H2O, forming KOH; soluble alcohol and ether [HAW93] |
| Crystal Structure |
Reverse CaF2 type |
| crystal system |
Cube |
| Space group |
Fm3m |
| Lattice constant |
| a/nm | b/nm | c/nm | α/o | β/o | γ/o | V/nm3 | | 0.6447 | 0.6447 | 0.6447 | 90 | 90 | 90 | 0.268 |
|
| LogP |
-5.08 at 25℃ |
| CAS DataBase Reference |
12136-45-7 |
| EPA Substance Registry System |
Potassium oxide (12136-45-7) |