- InChI
- InChI=1S/K.H2O/h;1H2/q+1;/p-1
- InChI Key
- KWYUFKZDYYNOTN-UHFFFAOYSA-M
- Formula
- HKO
- SMILES
- [OH][K]
- Molecular Weight1
- 56.11
- CAS
- 12395-66-3
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- 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).
- IE : Ionization energy (eV).
- Pvap : Vapor pressure (kPa).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 1101.80 | kJ/mol | NIST |
| BasG | 1075.40 | kJ/mol | NIST |
| IE | [7.50; 7.50] | eV |
|
| IE | 7.50 ± 1.00 | eV | NIST |
| IE | 7.50 ± 0.15 | 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, 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 | [58.65; 61.94] | J/mol×K | [2000.00; 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 | 4.94850e+01 | |||
| Coefficient B | 7.05134e+00 | |||
| Coefficient C | -1.41255e+00 | |||
| Coefficient D | 9.72430e-02 | |||
| Coefficient E | -2.45887e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-248.5150, G=292.8666, H=-232.6304; Data last reviewed in December, 1970 | |||
| Temperature range, min. | 2000.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 58.65 | J/mol×K | 2000.00 | Calculated Property |
| Cp,gas | 59.66 | J/mol×K | 2444.44 | Calculated Property |
| Cp,gas | 60.38 | J/mol×K | 2888.89 | Calculated Property |
| Cp,gas | 60.87 | J/mol×K | 3333.33 | Calculated Property |
| Cp,gas | 61.19 | J/mol×K | 3777.78 | Calculated Property |
| Cp,gas | 61.38 | J/mol×K | 4222.22 | Calculated Property |
| Cp,gas | 61.50 | J/mol×K | 4666.67 | Calculated Property |
| Cp,gas | 61.60 | J/mol×K | 5111.11 | Calculated Property |
| Cp,gas | 61.73 | J/mol×K | 5555.56 | Calculated Property |
| Cp,gas | 61.94 | J/mol×K | 6000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [83.11; 83.11] | J/mol×K | [679.00; 2000.00] |
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 | 8.31072e+01 | |||
| Coefficient B | -2.32978e-09 | |||
| Coefficient C | 1.88420e-09 | |||
| Coefficient D | -4.81374e-10 | |||
| Coefficient E | -3.55627e-11 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-437.4832, G=197.1894, H=-412.7056; Data last reviewed in December, 1970 | |||
| Temperature range, min. | 679.00 | |||
| Temperature range, max. | 2000.00 | |||
| Cp,liquid | 83.11 | J/mol×K | 679.00 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 825.78 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 972.56 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 1119.33 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 1266.11 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 1412.89 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 1559.67 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 1706.44 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 1853.22 | Calculated Property |
| Cp,liquid | 83.11 | J/mol×K | 2000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,solid | [64.88; 80.96] | J/mol×K | [298.00; 516.00] |
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 | 8.07826e+01 | |||
| Coefficient B | -1.12233e+02 | |||
| Coefficient C | 3.01154e+02 | |||
| Coefficient D | -1.47992e+02 | |||
| Coefficient E | -4.68867e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-447.7591, G=195.4108, H=-424.7178; Data last reviewed in December, 1970 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 516.00 | |||
| Cp,solid | 64.88 | J/mol×K | 298.00 | Calculated Property |
| Cp,solid | 66.42 | J/mol×K | 322.22 | Calculated Property |
| Cp,solid | 67.99 | J/mol×K | 346.44 | Calculated Property |
| Cp,solid | 69.61 | J/mol×K | 370.67 | Calculated Property |
| Cp,solid | 71.30 | J/mol×K | 394.89 | Calculated Property |
| Cp,solid | 73.08 | J/mol×K | 419.11 | Calculated Property |
| Cp,solid | 74.94 | J/mol×K | 443.33 | Calculated Property |
| Cp,solid | 76.87 | J/mol×K | 467.56 | Calculated Property |
| Cp,solid | 78.88 | J/mol×K | 491.78 | Calculated Property |
| Cp,solid | 80.96 | J/mol×K | 516.00 | Calculated Property |
| Cp,solid | [78.66; 78.66] | J/mol×K | [516.00; 679.00] |
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 | 7.86592e+01 | |||
| Coefficient B | 0.00000e+00 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Reference | Chase, 1998 | |||
| Comment | F=-443.0814, G=182.7734, H=-424.7178; Data last reviewed in December, 1970 | |||
| Temperature range, min. | 516.00 | |||
| Temperature range, max. | 679.00 | |||
| Cp,solid | 78.66 | J/mol×K | 516.00 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 534.11 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 552.22 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 570.33 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 588.44 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 606.56 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 624.67 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 642.78 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 660.89 | Calculated Property |
| Cp,solid | 78.66 | J/mol×K | 679.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [2.08e-05; 101.33] | kPa | [679.00; 1600.00] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.42925e+01 | |||
| Coefficient B | -1.45074e+04 | |||
| Coefficient C | -1.00390e+02 | |||
| Temperature range, min. | 679.00 | |||
| Temperature range, max. | 1600.00 | |||
| Pvap | 2.08e-05 | kPa | 679.00 | Calculated Property |
| Pvap | 9.01e-04 | kPa | 781.33 | Calculated Property |
| Pvap | 0.01 | kPa | 883.67 | Calculated Property |
| Pvap | 0.12 | kPa | 986.00 | Calculated Property |
| Pvap | 0.68 | kPa | 1088.33 | Calculated Property |
| Pvap | 2.68 | kPa | 1190.67 | Calculated Property |
| Pvap | 8.40 | kPa | 1293.00 | Calculated Property |
| Pvap | 21.96 | kPa | 1395.33 | Calculated Property |
| Pvap | 49.89 | kPa | 1497.67 | Calculated Property |
| Pvap | 101.33 | kPa | 1600.00 | Calculated Property |
| Pvap | [0.13; 101.46] | kPa | [992.00; 1600.00] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.38796e+01 | |||
| Coefficient B | -1.34814e+04 | |||
| Coefficient C | -1.44113e+02 | |||
| Reference | Stull, 1947 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 992.00 | |||
| Temperature range, max. | 1600.00 | |||
| Pvap | 0.13 | kPa | 992.00 | Calculated Property |
| Pvap | 0.43 | kPa | 1059.56 | Calculated Property |
| Pvap | 1.18 | kPa | 1127.11 | Calculated Property |
| Pvap | 2.85 | kPa | 1194.67 | Calculated Property |
| Pvap | 6.19 | kPa | 1262.22 | Calculated Property |
| Pvap | 12.30 | kPa | 1329.78 | Calculated Property |
| Pvap | 22.70 | kPa | 1397.33 | Calculated Property |
| Pvap | 39.35 | kPa | 1464.89 | Calculated Property |
| Pvap | 64.66 | kPa | 1532.44 | Calculated Property |
| Pvap | 101.46 | kPa | 1600.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Potassium hydroxide.
Mixtures
- Calcium sulfate + Potassium hydroxide + Water
- N-Methylglycine + Potassium hydroxide + Water
- Ammonia + Potassium hydroxide + Water
- Potassium hydroxide + Water + potassium tetrahydroborate
- Sodium oxalate + Potassium hydroxide + Water
- Potassium hydroxide + Water
- Potassium chromate + Potassium hydroxide + Water
Sources
- 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.
- Measurement and modelling of solubility for calcium sulfate dihydrate and calcium hydroxide in NaOH/KOH solutions
- Density, viscosity, and N2O solubility of aqueous amino acid salt and amine amino acid salt solutions
- Thermochemistry of Li, Na, K, Rb and Cs alkylated phenoxides
- Thermodynamic characteristics of reactions with KH(PO3H)
- Molar Volumes and Heat Capacities of Aqueous Solutions of Potassium Hydroxide and for Water Ionization up to 573 K at 10 MPa
- Solubility of Sodium Oxalate in Concentrated Electrolyte Solutions
- Vapor-Liquid Equilibria of Ammonia + Water + Potassium Hydroxide and Ammonia + Water + Sodium Hydroxide Solutions at Temperatures from (293.15 to 353.15) K
- Vapor Pressure Determination of the KOH + K2CrO4 + H2O System
- Densities and Heat Capacities of the Ammonia + Water + NaOH and Ammonia + Water + KOH Solutions
- Density Calculations for (Na, K)BH4 + (Na, K)BO2 + (Na, K)OH + H2O Solutions Used in Hydrogen Power Engineering
- Solubility of the System KOH K2CrO4 Al2O3 H2O at 150 deg C in a High Alkali Concentrated Region
- Liquid-Liquid Equilibria of Aqueous Biphasic Systems Containing Selected Imidazolium Ionic Liquids and Salts
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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