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Zinc Triflate, also known as zinc trifluoromethanesulfonate or zinc trifluoromethyl sulfonate (Zn(OTf)₂), is the zinc salt of trifluoromethanesulfonic acid (a superacid). Its molecular formula is C₂F₆O₆S₂Zn, and its molecular weight is 363.53. It appears as a white to light gray crystalline powder, is highly hygroscopic, and is readily soluble in water. It is a highly efficient Lewis acid catalyst characterized by high catalytic activity, good selectivity, and strong water stability.
| Item | Specification |
| Melting Point | ≥300°C(lit.) |
| Boiling Point | N/A |
| Density | 4.43 g/cm³ |
| Flash Point | 81.1°C |
| Vapor Pressure | N/A |
| Refractive Index | 1.421 (aqueous solution) |
| Solubility | Solubility in water ≥100 g/L (25°C); readily soluble in acetonitrile; slightly soluble in methanol; insoluble in dichloromethane and diethyl ether. |
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