| 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 |
| pka |
3.79[at 20 ℃] |
| form |
colorless hygroscopic crystals |
| Specific Gravity |
1.91 |
| color |
colorless hygroscopic crystals, crystalline |
| PH |
7.4(1 mM solution);7.83(10 mM solution);8.25(100 mM solution);8.58(1000 mM solution) |
| Water Solubility |
soluble |
| Sensitive |
Hygroscopic |
| λmax |
λ: 260 nm Amax: 0.09 λ: 280 nm Amax: 0.08 |
| Hydrolytic Sensitivity |
0: forms stable aqueous solutions |
| Merck |
14,7633 |
| BRN |
3623272 |
| InChI |
1S/CH2O2.K/c2-1-3;/h1H,(H,2,3);/q;+1/p-1 |
| InChIKey |
WFIZEGIEIOHZCP-UHFFFAOYSA-M |
| SMILES |
[K+].[O-]C=O |
| LogP |
-2 at 20℃ |
| CAS DataBase Reference |
590-29-4(CAS DataBase Reference) |
| EPA Substance Registry System |
Formic acid, potassium salt (590-29-4) |