Chemical Properties of caesium chloride (CAS 7647-17-8)

InChI

InChI=1S/ClH.Cs/h1H;/q;+1/p-1

InChI Key

AIYUHDOJVYHVIT-UHFFFAOYSA-M

Formula

ClCs

SMILES

[Cl-].[Cs+]

Molecular Weight¹

168.36

CAS

7647-17-8

Other Names

• Cesium chloride

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• C_p,solid : Solid phase heat capacity (J/mol×K).
• EA : Electron affinity (eV).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• P_vap : Vapor pressure (kPa).
• ρ_s : Solid Density (kg/m³).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
EA	0.46 ± 0.10	eV	NIST
ΔfusH°	3.80	kJ/mol	Thermodynamic Characterization of the Congruently Melting Cs3CeCl6 Compound
IE	[7.40; 8.80]	eV
IE	Outlier 7.40	eV	NIST
IE	8.80	eV	NIST
IE	8.30 ± 0.10	eV	NIST
IE	8.30 ± 0.10	eV	NIST
IE	7.84 ± 0.05	eV	NIST
IE	8.30 ± 0.30	eV	NIST
IE	8.70 ± 0.10	eV	NIST
IE	8.50	eV	NIST
Tfus	918.00	K	Adiabatic compressibility along the two-phase saturation line for the molten (LiF + CsCl) system
Ttriple	918.00	K	Experimental investigation and thermodynamic assessment of the RbCl-CsCl-ZnCl2 system and its subsystems

Cheméo can also estimate Normal Boiling Point Temperature, 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.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
ρs	[3039.50; 3074.50]	kg/m3	[843.00; 913.00]
ρs	3074.50	kg/m3	843.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
ρs	3067.60	kg/m3	853.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
ρs	3060.20	kg/m3	863.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
ρs	3052.40	kg/m3	873.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
ρs	3046.00	kg/m3	883.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
ρs	3040.90	kg/m3	893.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
ρs	3039.50	kg/m3	903.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
ρs	3041.80	kg/m3	913.00	Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[39.74; 42.07]	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			3.74001e+01
Coefficient B			7.88743e-01
Coefficient C			-3.40700e-03
Coefficient D			2.92000e-04
Coefficient E			-6.09980e-02
Reference			Chase, 1998
Comment			F=-251.5525, G=300.7522, H=-240.1624; Data last reviewed in June, 1968
Temperature range, min.			3000.00
Temperature range, max.			6000.00
Cp,gas	39.74	J/mol×K	3000.00	Calculated Property
Cp,gas	40.00	J/mol×K	3333.33	Calculated Property
Cp,gas	40.26	J/mol×K	3666.67	Calculated Property
Cp,gas	40.52	J/mol×K	4000.00	Calculated Property
Cp,gas	40.77	J/mol×K	4333.33	Calculated Property
Cp,gas	41.03	J/mol×K	4666.67	Calculated Property
Cp,gas	41.29	J/mol×K	5000.00	Calculated Property
Cp,gas	41.55	J/mol×K	5333.33	Calculated Property
Cp,gas	41.81	J/mol×K	5666.67	Calculated Property
Cp,gas	42.07	J/mol×K	6000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[77.40; 77.40]	J/mol×K	[918.00; 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			7.74040e+01
Coefficient B			-2.65708e-10
Coefficient C			1.48320e-10
Coefficient D			-2.56859e-11
Coefficient E			-7.77161e-12
Reference			Chase, 1998
Comment			F=-457.5455, G=195.3798, H=-434.4666; Data last reviewed in June, 1968
Temperature range, min.			918.00
Temperature range, max.			3000.00
Cp,liquid	77.40	J/mol×K	918.00	Calculated Property
Cp,liquid	77.40	J/mol×K	1149.33	Calculated Property
Cp,liquid	77.40	J/mol×K	1380.67	Calculated Property
Cp,liquid	77.40	J/mol×K	1612.00	Calculated Property
Cp,liquid	77.40	J/mol×K	1843.33	Calculated Property
Cp,liquid	77.40	J/mol×K	2074.67	Calculated Property
Cp,liquid	77.40	J/mol×K	2306.00	Calculated Property
Cp,liquid	77.40	J/mol×K	2537.33	Calculated Property
Cp,liquid	77.40	J/mol×K	2768.67	Calculated Property
Cp,liquid	77.40	J/mol×K	3000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,solid	[52.43; 62.24]	J/mol×K	[298.00; 743.00]	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			4.44320e+01
Coefficient B			2.78341e+01
Coefficient C			-8.25344e+00
Coefficient D			3.96860e+00
Coefficient E			2.97490e-02
Reference			Chase, 1998
Comment			F=-457.1564, G=147.1534, H=-442.8346; Data last reviewed in June, 1968
Temperature range, min.			298.00
Temperature range, max.			743.00
Cp,solid	52.43	J/mol×K	298.00	Calculated Property
Cp,solid	53.52	J/mol×K	347.44	Calculated Property
Cp,solid	54.62	J/mol×K	396.89	Calculated Property
Cp,solid	55.71	J/mol×K	446.33	Calculated Property
Cp,solid	56.81	J/mol×K	495.78	Calculated Property
Cp,solid	57.90	J/mol×K	545.22	Calculated Property
Cp,solid	58.98	J/mol×K	594.67	Calculated Property
Cp,solid	60.07	J/mol×K	644.11	Calculated Property
Cp,solid	61.15	J/mol×K	693.56	Calculated Property
Cp,solid	62.24	J/mol×K	743.00	Calculated Property
Cp,solid	[63.39; 64.27]	J/mol×K	[743.00; 918.00]	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			6.08621e+01
Coefficient B			3.05742e+00
Coefficient C			1.13540e+00
Coefficient D			-2.15987e-01
Coefficient E			-1.57675e-01
Reference			Chase, 1998
Comment			F=-459.9764, G=173.3226, H=-442.8346; Data last reviewed in June, 1968
Temperature range, min.			743.00
Temperature range, max.			918.00
Cp,solid	63.39	J/mol×K	743.00	Calculated Property
Cp,solid	63.49	J/mol×K	762.44	Calculated Property
Cp,solid	63.59	J/mol×K	781.89	Calculated Property
Cp,solid	63.68	J/mol×K	801.33	Calculated Property
Cp,solid	63.78	J/mol×K	820.78	Calculated Property
Cp,solid	63.88	J/mol×K	840.22	Calculated Property
Cp,solid	63.98	J/mol×K	859.67	Calculated Property
Cp,solid	64.08	J/mol×K	879.11	Calculated Property
Cp,solid	64.17	J/mol×K	898.56	Calculated Property
Cp,solid	64.27	J/mol×K	918.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.14; 101.33]	kPa	[1017.15; 1570.15]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.58087e+01
Coefficient B			-1.66564e+04
Coefficient C			-8.16900e+01
Temperature range, min.			1017.15
Temperature range, max.			1570.15
Pvap	0.14	kPa	1017.15	Calculated Property
Pvap	0.41	kPa	1078.59	Calculated Property
Pvap	1.07	kPa	1140.04	Calculated Property
Pvap	2.55	kPa	1201.48	Calculated Property
Pvap	5.52	kPa	1262.93	Calculated Property
Pvap	11.08	kPa	1324.37	Calculated Property
Pvap	20.83	kPa	1385.82	Calculated Property
Pvap	37.01	kPa	1447.26	Calculated Property
Pvap	62.58	kPa	1508.71	Calculated Property
Pvap	101.33	kPa	1570.15	Calculated Property

Mixtures

• caesium chloride + Hydrochloric acid + Water
• caesium chloride + Water
• caesium chloride + Lithium fluoride
• caesium chloride + Water + 1,4,7,10,13,16-Hexaoxacyclooctadecane
• caesium chloride + Formamide + Water
• caesium chloride + Formamide, N-methyl- + Water
• Formamide, N,N-dimethyl- + caesium chloride + Water
• caesium chloride + Formamide
• caesium chloride + Formamide, N-methyl-
• Formamide, N,N-dimethyl- + caesium chloride
• Zinc Chloride + caesium chloride
• caesium chloride + 1,3-Dioxolan-2-one + Water
• caesium chloride + Methyl Alcohol + Water
• caesium chloride + Methyl Alcohol
• xylose + caesium chloride + Water
• d-Arabinose + caesium chloride + Water
• Galactose + caesium chloride + Water
• 1,2-Ethanediol + caesium chloride + Water
• Cesium fluoride + caesium chloride + Water
• caesium chloride + Sodium oxalate + Water

Find more mixtures with caesium chloride.

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.
• Partial molar volume of NaCl and CsCl in mixtures of water and methanol by experiment and molecular simulation
• Experimental investigation and thermodynamic assessment of the RbCl-CsCl-ZnCl2 system and its subsystems
• Apparent molar volumes and heat capacities of aqueous lithium chloride, rubidium chloride, and cesium chloride at temperatures from (278.15 to 393.15) K at the pressure 0.35 MPa
• Volumetric properties and volumetric interaction parameters for the CsCl-monosaccharide (D-galactose, D-xylose and D-arabinose)-water systems at T = 298.15 K
• The molar enthalpies of solution and vapour pressures of saturated aqueous solutions of some cesium salts
• Thermodynamics of complexation of aqueous 18-crown-6 with rubidium and cesium ions: Apparent molar volumes and apparent molar heat capacities of aqueous (18-crown-6 + rubidium chloride) and (18-crown-6 + cesium chloride) at temperatures (278.15 to 393.15) K, at molalities (0.02 to 0.33) mol.kg-1, and at the pressure 0.35 MPa
• Isobaric specific heat capacity of water and aqueous cesium chloride solutions for temperatures between 298K and 370K at p = 0.1 MPa
• The H20-D20 solvent isotope effects on the molar volumes of alkali-chloride solutions at T = (288.15, 298.15, and 308.15) K
• Standard state thermodynamic properties of aqueous cesium chloride using high dilution calorimetry up to 598.15 K
• Solubilities, densities and refractive indices for the ternary systems ethylene glycol + MCl + H2O (M = Na, K, Rb, Cs) at (15 and 35) C
• Ultrasound velocity in dissolving alkali halide melts
• Phase equilibria of the systems of CsCl + ErCl3 + H2O and CsCl + ErCl3 + HCl (~10.7%, ~14.4%) + H2O at T = 298.15 K and the standard molar enthalpies of formation of solid phase compounds
• Solution behavior of {(formamide/N-methylformamide/ N,N-dimethylformamide) + CsCl + water} ternary systems at multiple temperatures
• Phase equilibria of the systems of CsCl + HoCl3 + H2O and CsCl + HoCl3 + HCl (~10%) + H2O at T = 298.15 K and the thermodynamic and fluorescent properties of the new solid-phase compounds
• Phase equilibrium and activity coefficients in ternary systems at 298.15 K: RbCl/CsCl + ethylene carbonate + water
• Thermodynamic studies of (RbF + RbCl + H2O) and (CsF + CsCl + H2O) ternary systems from potentiometric measurements at T = 298.2 K
• Solubility of RbCl and CsCl in pure water at subzero temperatures, heat capacity of RbCl(aq) and CsCl(aq) at T = 298.15 K, and thermodynamic modeling of RbCl + H2O and CsCl + H2O systems
• Solid-liquid equilibria for the systems of (CsCl + DyCl3 + H2O) and {CsCl + DyCl3 + HCl (~10.7%) + H2O} at T = 298.15 K and the thermodynamic properties of the new solid compounds
• Phase equilibria of CsCl-polyethylene glycol (PEG)-H2O at 298.15 K: Effect of different polymer molar masses (PEG1000/4000/6000)
• Adiabatic compressibility along the two-phase saturation line for the molten (LiF + CsCl) system
• Enthalpies of formation and lattice enthalpies of alkaline metal acetates
• Thermochemistry of dicesium calcium tetraborate octahydrate
• Synthesis, characterization and thermodynamic properties of NaCs[B4O5(OH)4]*4H2O
• Electrical Conductivity of LiCl-KCl-CsCl Melts
• Measurement and Correlation of Solubilities and Solution Thermodynamics for N,N-Diethylformamide + MCl (M = Na, K, Rb and Cs) + Water Systems in the Temperature Range 288.15-338.15 K
• Thermodynamics and Phase Equilibrium of the System CsCl MgCl2 H2O at 298.15 K
• Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H2O) at T = (298.15, 308.15, and 318.15) K
• Activity Coefficients of CsCl in PEG 200 H2O and PEG 600 H2O Mixtures at 298.15 K
• Water Activity and Solubility Measurements and Model Simulation of the CsCl-MgCl2-H2O Ternary System at 323.15 K
• Solubility of Sodium Oxalate in Concentrated Electrolyte Solutions
• Equilibrium Phase Behavior of Water + Propan-1-ol or Propan-2-ol + Cesium Chloride at (298.15, 308.15, and 318.15) K
• Sound Velocity and Adiabatic Compressibility of Molten MCl + NdCl3 Mixtures (M = Li, Na, K, and Cs)
• Electrical Conductivity of Electrolytes Found In Natural Waters from (5 to 90) deg C
• Solubilities, Densities, and Refractive Indices for the Ternary Systems Glycerin + MCl + H2O (M = Na, K, Rb, Cs) at (298.15 and 308.15) K
• Measurements and Correlations of the Solid Liquid Equilibrium of RbCl/CsCl + [Cnmim]Cl (n = 2, 4, 6, 8) + H2O Ternary Systems at T = (288.15, 298.15, and 308.15) K
• Solid Liquid Equilibrium (SLE) of the N,N-Dimethylacetamide (DMA) + MCl (M = Na, K, Rb, and Cs) + Water Ternary Systems at Multiple Temperatures
• 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
• Thermodynamic Characterization of the Congruently Melting Cs3CeCl6 Compound
• Compositions, Densities, and Refractive Indices for the Ternary Systems Ethylene Glycol + NaCl + H2O, Ethylene Glycol + KCl + H2O, Ethylene Glycol + RbCl + H2O, and Ethylene Glycol + CsCl + H2O at 298.15 K
• Density of Crystalline Alkali Chlorides and Their Eutectic Mixtures Near the Melting Point
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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