| Potassium bifluoride | |
| Product Name | potassium bifluoride |
| Alias | Potassium hydrogen fluoride; potassium fluoride hydrofluoride (1:1:1); hydrofluoric acid, potassium salt (1:1) |
| CAS RN | 7789-29-9 |
| EINECS No. | 232-156-2 |
| Molecular Formula | HFK |
| Molecular Weight | 59.1041 |
| Physical & Chemical Properties | Properties: The colorless tetragonal or cubic crystal with slight sour odor. Bicrystal compound. Melting point: 225℃ (Decomposition) Relative density: 2.37 Solubility: Easily soluble in water, soluble in potassium acetate, insoluble in ethanol. The aqueous solution is acidic. |
| Use | Used in the production of anhydrous hydrogen fluoride, pure potassium fluoride, optical glass and the element fluorine. Also used as glass etchant, welding flux, wood preservative, etc. |
| Structural Formula | ![]() |