| Melting point | 165-168 °C (lit.) |
| density | 1.560 g/mL at 20 °C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | colorless hygroscopic crystals |
| Specific Gravity | 1.91 |
| PH | 7.4(1 mM solution);7.83(10 mM solution);8.25(100 mM solution);8.58(1000 mM solution) |
| Water Solubility | soluble |
| λmax | λ: 260 nm Amax: 0.09 λ: 280 nm Amax: 0.08 |
| Sensitive | Hygroscopic |
| Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
| Merck | 14,7633 |
| BRN | 3623272 |
| InChIKey | WFIZEGIEIOHZCP-UHFFFAOYSA-M |
| CAS DataBase Reference | 590-29-4(CAS DataBase Reference) |
| EPA Substance Registry System | Formic acid, potassium salt (590-29-4) |
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