| Melting point | 252.6 °C (lit.) |
| Boiling point | > 450 °C |
| bulk density | 1200kg/m3 |
| density | 2.338 g/mL at 25 °C (lit.) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.4864 |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 1.5 M at 20 °C, clear, colorless |
| form | powder |
| color | White transparent |
| Specific Gravity | 2.338 |
| Odor | Odorless |
| PH | 4.2-4.6 (20g/l, H2O, 20℃) |
| pka | (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃) |
| biological source | rabbit |
| Water Solubility | 222 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: 0.046
λ: 280 nm Amax: 0.040 |
| Decomposition | 253 °C |
| Merck | 14,7659 |
| Specific Activity | 25-33nmol/min·mg |
| Stability: | Hygroscopic |
| InChIKey | GNSKLFRGEWLPPA-UHFFFAOYSA-M |
| CAS DataBase Reference | 7778-77-0(CAS DataBase Reference) |
| EPA Substance Registry System | Monopotassium phosphate (7778-77-0) |
| Absorption | ≤0.01 at 260nm
≤0.01 at 280nm |