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) |