Chemical Properties of Potassium hydroxide (CAS 12395-66-3)

InChI

InChI=1S/K.H2O/h;1H2/q+1;/p-1

InChI Key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

Formula

H2K2O2

SMILES

[OH][K]

Molecular Weight¹

112.21

CAS

12395-66-3

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• P_vap : Vapor pressure (kPa).
• ¹: Molecular weight from the IUPAC atomic weights tables.

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	[81.41; 114.53]	J/mol×K	[298.00; 1200.00]	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			5.09486e+01
Coefficient B			1.24140e+02
Coefficient C			-9.09020e+01
Coefficient D			2.63063e+01
Coefficient E			7.51740e-02
Reference			Chase, 1998
Comment			F=-674.5026, G=356.8663, H=-654.7960; Data last reviewed in December, 1970
Temperature range, min.			298.00
Temperature range, max.			1200.00
Cp,gas	81.41	J/mol×K	298.00	Calculated Property
Cp,gas	88.10	J/mol×K	398.22	Calculated Property
Cp,gas	93.80	J/mol×K	498.44	Calculated Property
Cp,gas	98.54	J/mol×K	598.67	Calculated Property
Cp,gas	102.44	J/mol×K	698.89	Calculated Property
Cp,gas	105.64	J/mol×K	799.11	Calculated Property
Cp,gas	108.30	J/mol×K	899.33	Calculated Property
Cp,gas	110.56	J/mol×K	999.56	Calculated Property
Cp,gas	112.58	J/mol×K	1099.78	Calculated Property
Cp,gas	114.53	J/mol×K	1200.00	Calculated Property
Cp,gas	[114.32; 131.82]	J/mol×K	[1200.00; 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			1.12973e+02
Coefficient B			1.01031e+01
Coefficient C			-1.89676e+00
Coefficient D			1.24252e-01
Coefficient E			-1.18952e+01
Reference			Chase, 1998
Comment			F=-714.5017, G=429.2366, H=-654.7960; Data last reviewed in December, 1970
Temperature range, min.			1200.00
Temperature range, max.			6000.00
Cp,gas	114.32	J/mol×K	1200.00	Calculated Property
Cp,gas	121.47	J/mol×K	1733.33	Calculated Property
Cp,gas	125.26	J/mol×K	2266.67	Calculated Property
Cp,gas	127.60	J/mol×K	2800.00	Calculated Property
Cp,gas	129.11	J/mol×K	3333.33	Calculated Property
Cp,gas	130.07	J/mol×K	3866.67	Calculated Property
Cp,gas	130.68	J/mol×K	4400.00	Calculated Property
Cp,gas	131.08	J/mol×K	4933.33	Calculated Property
Cp,gas	131.42	J/mol×K	5466.67	Calculated Property
Cp,gas	131.82	J/mol×K	6000.00	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

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)
• 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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