| Melting point: |
361 °C (lit.) |
| Boiling point: |
1320°C |
| Density |
1.450 g/mL at 20 °C |
| vapor pressure |
1 mm Hg ( 719 °C) |
| refractive index |
n20/D 1.421 |
| Flash point: |
52 °F |
| storage temp. |
Store at +5°C to +30°C. |
| solubility |
H2O: 1 M at 20 °C, clear, colorless |
| form |
powder |
| Specific Gravity |
1.09 |
| color |
white |
| Odor |
Odorless |
| PH |
10.98(1 mM solution);11.95(10 mM solution);12.88(100 mM solution); |
| explosive limit |
3.5-15.0%(V) (ethanol) |
| Water Solubility |
soluble |
| Sensitive |
Air Sensitive & Hygroscopic |
| Merck |
14,7640 |
| Exposure limits |
Ceiling in air 2 mg/m3 (ACGIH). |
| Dielectric constant |
3.3（Ambient） |
| Stability: |
Stable, but very hygroscopic. Dissolves exothermically in water. Incompatible with most metals, strong acids, acid chlorides, organic materials, zinc, aluminium, nitroalkanes, nitrobenzene, chlorine dioxide. Reacts vigorously with a wide variety of other materials. Readily absorbs water and carbon dioxide from the air. |
| InChIKey |
KWYUFKZDYYNOTN-UHFFFAOYSA-M |
| LogP |
-1.380 (est) |
| CAS DataBase Reference |
1310-58-3(CAS DataBase Reference) |
| NIST Chemistry Reference |
Potassium hydroxide(1310-58-3) |
| EPA Substance Registry System |
Potassium hydroxide (1310-58-3) |