- InChI
- InChI=1S/FH.K/h1H;/q;+1/p-1
- InChI Key
- NROKBHXJSPEDAR-UHFFFAOYSA-M
- Formula
- FK
- SMILES
- [F][K]
- Molecular Weight1
- 58.10
- CAS
- 7789-23-3
- Other Names
-
- potassium fluoride (KF)
- potassium monofluoride
- potassium monofluoride (KF)
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- EA : Electron affinity (eV).
- Pvap : Vapor pressure (kPa).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| EA | [0.23; 1.50] | eV |
|
| EA | 0.23 | eV | NIST |
| EA | 1.50 | eV | NIST |
| EA | 1.04 ± 0.21 | eV | NIST |
| EA | 1.26 | eV | NIST |
Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [39.45; 41.54] | J/mol×K | [3000.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 3.72091e+01 | |||
| Coefficient B | 8.61908e-01 | |||
| Coefficient C | -4.76620e-02 | |||
| Coefficient D | 4.07000e-03 | |||
| Coefficient E | -2.01727e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-338.5785, G=270.2433, H=-326.7704; Data last reviewed in June, 1969 | |||
| Temperature range, min. | 3000.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 39.45 | J/mol×K | 3000.00 | Calculated Property |
| Cp,gas | 39.69 | J/mol×K | 3333.33 | Calculated Property |
| Cp,gas | 39.91 | J/mol×K | 3666.67 | Calculated Property |
| Cp,gas | 40.14 | J/mol×K | 4000.00 | Calculated Property |
| Cp,gas | 40.37 | J/mol×K | 4333.33 | Calculated Property |
| Cp,gas | 40.60 | J/mol×K | 4666.67 | Calculated Property |
| Cp,gas | 40.83 | J/mol×K | 5000.00 | Calculated Property |
| Cp,gas | 41.06 | J/mol×K | 5333.33 | Calculated Property |
| Cp,gas | 41.30 | J/mol×K | 5666.67 | Calculated Property |
| Cp,gas | 41.54 | J/mol×K | 6000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [71.97; 71.97] | J/mol×K | [1131.00; 3000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,liquid in J/mol×K, T in K | |||
| Coefficient A | 7.19652e+01 | |||
| Coefficient B | -2.11675e-10 | |||
| Coefficient C | 1.30973e-10 | |||
| Coefficient D | -2.44968e-11 | |||
| Coefficient E | -4.58931e-12 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-575.9234, G=154.7226, H=-554.4679; Data last reviewed in June, 1969 | |||
| Temperature range, min. | 1131.00 | |||
| Temperature range, max. | 3000.00 | |||
| Cp,liquid | 71.97 | J/mol×K | 1131.00 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 1338.67 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 1546.33 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 1754.00 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 1961.67 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 2169.33 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 2377.00 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 2584.67 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 2792.33 | Calculated Property |
| Cp,liquid | 71.97 | J/mol×K | 3000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,solid | [48.98; 59.07] | J/mol×K | [298.00; 900.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,solid in J/mol×K, T in K | |||
| Coefficient A | 4.65361e+01 | |||
| Coefficient B | 1.39666e+01 | |||
| Coefficient C | -2.38521e+00 | |||
| Coefficient D | 2.84468e+00 | |||
| Coefficient E | -1.40770e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-583.5592, G=117.9905, H=-568.6056; Data last reviewed in June, 1969 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 900.00 | |||
| Cp,solid | 48.98 | J/mol×K | 298.00 | Calculated Property |
| Cp,solid | 50.40 | J/mol×K | 364.89 | Calculated Property |
| Cp,solid | 51.60 | J/mol×K | 431.78 | Calculated Property |
| Cp,solid | 52.69 | J/mol×K | 498.67 | Calculated Property |
| Cp,solid | 53.75 | J/mol×K | 565.56 | Calculated Property |
| Cp,solid | 54.78 | J/mol×K | 632.44 | Calculated Property |
| Cp,solid | 55.82 | J/mol×K | 699.33 | Calculated Property |
| Cp,solid | 56.88 | J/mol×K | 766.22 | Calculated Property |
| Cp,solid | 57.96 | J/mol×K | 833.11 | Calculated Property |
| Cp,solid | 59.07 | J/mol×K | 900.00 | Calculated Property |
| Cp,solid | [58.99; 64.83] | J/mol×K | [900.00; 1131.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,solid in J/mol×K, T in K | |||
| Coefficient A | -2.54383e+02 | |||
| Coefficient B | 4.74800e+02 | |||
| Coefficient C | -2.46483e+02 | |||
| Coefficient D | 4.38847e+01 | |||
| Coefficient E | 4.35090e+01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-398.2930, G=-212.6434, H=-568.6056; Data last reviewed in June, 1969 | |||
| Temperature range, min. | 900.00 | |||
| Temperature range, max. | 1131.00 | |||
| Cp,solid | 58.99 | J/mol×K | 900.00 | Calculated Property |
| Cp,solid | 59.51 | J/mol×K | 925.67 | Calculated Property |
| Cp,solid | 60.09 | J/mol×K | 951.33 | Calculated Property |
| Cp,solid | 60.73 | J/mol×K | 977.00 | Calculated Property |
| Cp,solid | 61.40 | J/mol×K | 1002.67 | Calculated Property |
| Cp,solid | 62.09 | J/mol×K | 1028.33 | Calculated Property |
| Cp,solid | 62.78 | J/mol×K | 1054.00 | Calculated Property |
| Cp,solid | 63.48 | J/mol×K | 1079.67 | Calculated Property |
| Cp,solid | 64.16 | J/mol×K | 1105.33 | Calculated Property |
| Cp,solid | 64.83 | J/mol×K | 1131.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [0.13; 101.33] | kPa | [1158.15; 1775.15] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.55306e+01 | |||
| Coefficient B | -1.77904e+04 | |||
| Coefficient C | -1.44830e+02 | |||
| Temperature range, min. | 1158.15 | |||
| Temperature range, max. | 1775.15 | |||
| Pvap | 0.13 | kPa | 1158.15 | Calculated Property |
| Pvap | 0.40 | kPa | 1226.71 | Calculated Property |
| Pvap | 1.07 | kPa | 1295.26 | Calculated Property |
| Pvap | 2.55 | kPa | 1363.82 | Calculated Property |
| Pvap | 5.55 | kPa | 1432.37 | Calculated Property |
| Pvap | 11.15 | kPa | 1500.93 | Calculated Property |
| Pvap | 20.97 | kPa | 1569.48 | Calculated Property |
| Pvap | 37.20 | kPa | 1638.04 | Calculated Property |
| Pvap | 62.76 | kPa | 1706.59 | Calculated Property |
| Pvap | 101.33 | kPa | 1775.15 | Calculated Property |
| Pvap | [0.13; 101.77] | kPa | [1158.00; 1775.00] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.55761e+01 | |||
| Coefficient B | -1.78913e+04 | |||
| Coefficient C | -1.41602e+02 | |||
| Reference | Stull, 1947 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 1158.00 | |||
| Temperature range, max. | 1775.00 | |||
| Pvap | 0.13 | kPa | 1158.00 | Calculated Property |
| Pvap | 0.40 | kPa | 1226.56 | Calculated Property |
| Pvap | 1.07 | kPa | 1295.11 | Calculated Property |
| Pvap | 2.55 | kPa | 1363.67 | Calculated Property |
| Pvap | 5.55 | kPa | 1432.22 | Calculated Property |
| Pvap | 11.16 | kPa | 1500.78 | Calculated Property |
| Pvap | 21.01 | kPa | 1569.33 | Calculated Property |
| Pvap | 37.30 | kPa | 1637.89 | Calculated Property |
| Pvap | 62.98 | kPa | 1706.44 | Calculated Property |
| Pvap | 101.77 | kPa | 1775.00 | Calculated Property |
Similar Compounds
Find more compounds similar to potassium fluoride.
Mixtures
- potassium fluoride + Triethylene glycol + Water
- potassium fluoride + Water
- potassium fluoride + Dimethyl Sulfoxide + Water
- sodium fluoride + potassium fluoride + Lithium fluoride
- potassium fluoride + hydrogen fluoride + Water
- potassium fluoride + Aluminum fluoride
- potassium fluoride + Aluminum fluoride + Lithium fluoride
- potassium fluoride + Methyl Alcohol
- sodium fluoride + potassium fluoride + Aluminum fluoride
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Distillation Separation of Hydrofluoric Acid and Nitric Acid From Acid Waste using the Salt Effect on Vapor-Liquid Equilibrium
- Liquid-liquid equilibrium in the ternary systems triethylene glycol + salts + water at different temperatures; experiment and correlation
- Physicochemical properties of the system(LiF + NaF + KF(eut.) + Na7Zr6F31): Phase equilibria, density and volume properties, viscosity and surface tension
- THERMODYNAMIC INTERACTIONS OF POTASSIUM FLUORIDE IN AQUEOUS DIMETHYL SULFOXIDE SOLUTIONS AT DIFFERENT TEMPERATURES
- Temperatures of Primary Crystallization and Density of the KF + AlF3 + LiF + Al2O3 Molten System
- Electrical Conductivity of Electrolytes Found In Natural Waters from (5 to 90) deg C
- Surface Tension and Density in the KF NaF AlF3-Based Electrolyte
- Temperature Dependence of the Density of Aqueous Alkali Halide Salt Solutions by Experiment and Molecular Simulation
- Density of Methanolic Alkali Halide Salt Solutions by Experiment and Molecular Simulation
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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