Potassium hydrogen fluoride (KHF2)-Crystalline introduce:
Potassium bifluoride is the inorganic compound with the formula KHF2. This colourless salt consists of the potassium cation and the bifluoride (HF2−) anion.
Chemical formula: HF2K
Molar mass: 78.103 g/mol
Appearance: colourless solid
Odor: slightly acidic
Density: 2.37 g/cm3
Melting point: 238.7 °C (461.7 °F; 511.8 K)
Boiling point: decomposes
Solubility in water:24.5 g/100 mL (0 °C);30.1 g/100mL (10 °C);39.2 g/100 mL (20 °C);114.0 g/100 mL (80 °C)
Solubility: soluble in ethanol
Potassium hydrogen fluoride is widely used as an etchant in glass and cleaning products. It finds an important application in the synthesis of special optical glass viz. crown and crown flint glass and as a catalyst for polymerization. It is involved in the manufacturing of wood preservatives, soldering agents and brazing. It is also used in the manufacturing of organic and inorganic fluorine compounds.
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