Chemical Properties of Tetracosane (CAS 646-31-1)

InChI

InChI=1S/C24H50/c1-3-5-7-9-11-13-15-17-19-21-23-24-22-20-18-16-14-12-10-8-6-4-2/h3-24H2,1-2H3

InChI Key

POOSGDOYLQNASK-UHFFFAOYSA-N

Formula

C24H50

SMILES

CCCCCCCCCCCCCCCCCCCCCCCC

Molecular Weight¹

338.65

CAS

646-31-1

Other Names

• n-Tetracosane

• ω : Acentric Factor.
• 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).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH° : Enthalpy of sublimation at standard conditions (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_sub : Sublimation pressure (kPa).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• γ : Surface Tension (N/m).
• S°_{solid,1 bar} : Solid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	1.0071		Relay (1.0) Calculated Property
ΔfG°	151.20	kJ/mol	Joback Calculated Property
ΔfH°gas	-547.51	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	57.92	kJ/mol	Joback Calculated Property
ΔsubH°	162.00 ± 12.00	kJ/mol	NIST
ΔvapH°	[121.90; 126.80]	kJ/mol
ΔvapH°	121.90	kJ/mol	NIST
ΔvapH°	126.80 ± 0.40	kJ/mol	NIST
ΔvapH°	125.70 ± 1.60	kJ/mol	NIST
ΔvapH°	126.20 ± 2.30	kJ/mol	NIST
IE	10.03	eV	Relay (1.0) Calculated Property
log10WS	-9.76		Relay (1.0) Calculated Property
logPoct/wat	9.608		Crippen Calculated Property
McVol	349.020	ml/mol	McGowan Calculated Property
Pc	[866.00; 900.00]	kPa
Pc	870.00	kPa	KDB
Pc	900.00 ± 200.00	kPa	NIST
Pc	866.00 ± 40.00	kPa	NIST
Inp	[366.00; 402.60]
Inp	382.35		NIST
Inp	389.39		NIST
Inp	402.50		NIST
Inp	402.60		NIST
Inp	366.00		NIST
S°solid,1 bar	651.00	J/mol×K	NIST
Tboil	[516.00; 664.50]	K
Tboil	664.50	K	NIST
Tboil	597.30 ± 4.00	K	NIST
Tboil	516.00 ± 6.00	K	NIST
Tc	[799.80; 801.00]	K
Tc	800.00	K	KDB
Tc	801.00	K	Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
Tc	800.00 ± 8.00	K	NIST
Tc	799.80 ± 3.00	K	NIST
Tfus	[321.21; 324.10]	K
Tfus	321.21	K	Solid-liquid equilibria of eicosane, tetracosane or biphenyl + 1- octadecanol, or + 1-eicosanol mixtures
Tfus	324.10	K	Solid-liquid equilibria of indole binary systems
Ttriple	[320.80; 323.65]	K
Ttriple	320.80	K	Thermal conductivity of heavy, even-carbon number n-alkanes (C22 to C32)
Ttriple	321.40	K	Solubilities of Some Long-Chain n-Alkanes in Dipropyl Ether, Dibutyl Ether, 1-Chlorobutane, and 1-Chlorooctane as Functions of Temperature
Ttriple	323.65 ± 1.00	K	NIST
Vc	1.432	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[1087.48; 1209.76]	J/mol×K	[748.52; 918.06]
Cp,gas	1087.48	J/mol×K	748.52	Joback Calculated Property
Cp,gas	1110.30	J/mol×K	776.78	Joback Calculated Property
Cp,gas	1132.09	J/mol×K	805.03	Joback Calculated Property
Cp,gas	1152.90	J/mol×K	833.29	Joback Calculated Property
Cp,gas	1172.75	J/mol×K	861.55	Joback Calculated Property
Cp,gas	1191.69	J/mol×K	889.81	Joback Calculated Property
Cp,gas	1209.76	J/mol×K	918.06	Joback Calculated Property
Cp,liquid	[772.50; 805.00]	J/mol×K	[330.63; 353.00]
Cp,liquid	772.50	J/mol×K	330.63	NIST
Cp,liquid	805.00	J/mol×K	353.00	NIST
Cp,solid	[601.00; 730.90]	J/mol×K	[298.15; 300.00]
Cp,solid	730.90	J/mol×K	298.15	NIST
Cp,solid	601.00	J/mol×K	300.00	NIST
η	[0.0000578; 0.0023389]	Pa×s	[360.24; 748.52]
η	0.0023389	Pa×s	360.24	Joback Calculated Property
η	0.0007891	Pa×s	424.95	Joback Calculated Property
η	0.0003548	Pa×s	489.67	Joback Calculated Property
η	0.0001923	Pa×s	554.38	Joback Calculated Property
η	0.0001184	Pa×s	619.09	Joback Calculated Property
η	0.0000799	Pa×s	683.81	Joback Calculated Property
η	0.0000578	Pa×s	748.52	Joback Calculated Property
ΔfusH	[31.30; 81.75]	kJ/mol	[321.30; 324.10]
ΔfusH	31.30	kJ/mol	321.30	NIST
ΔfusH	81.75	kJ/mol	322.00	NIST
ΔfusH	53.80	kJ/mol	323.40	NIST
ΔfusH	59.31	kJ/mol	324.10	NIST
ΔfusH	54.89	kJ/mol	324.10	NIST
ΔfusH	54.89	kJ/mol	324.10	NIST
ΔsubH	164.90 ± 1.80	kJ/mol	315.50	NIST
ΔvapH	[86.20; 126.00]	kJ/mol	[298.00; 535.50]
ΔvapH	116.10	kJ/mol	298.00	A Comparison of Results by Correlation Gas Chromatography with Another Gas Chromatographic Retention Time Technique. The Effects of Retention Time Coincidence on Vaporization Enthalpy and Vapor Pressure
ΔvapH	121.90	kJ/mol	298.15	Vapor Pressures and Vaporization Enthalpies of the n-Alkanes from C21 to C30 at T = 298.15 K by Correlation Gas Chromatography
ΔvapH	105.10 ± 0.50	kJ/mol	353.00	NIST
ΔvapH	112.00	kJ/mol	393.00	NIST
ΔvapH	126.00 ± 2.00	kJ/mol	405.50	NIST
ΔvapH	111.20	kJ/mol	418.00	NIST
ΔvapH	95.20	kJ/mol	452.50	NIST
ΔvapH	86.20 ± 4.60	kJ/mol	474.00	NIST
ΔvapH	92.60	kJ/mol	520.50	NIST
ΔvapH	86.60	kJ/mol	535.50	NIST
Psub	1.23e-06	kPa	322.94	Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
Pvap	[4.30e-06; 0.01]	kPa	[333.46; 417.75]
Pvap	4.30e-06	kPa	333.46	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	4.35e-05	kPa	353.43	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	4.50e-05	kPa	353.97	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	3.07e-04	kPa	373.17	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	3.16e-04	kPa	373.61	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	5.24e-04	kPa	379.15	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	1.72e-03	kPa	393.20	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	1.72e-03	kPa	393.20	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	2.41e-03	kPa	397.55	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	8.43e-03	kPa	414.68	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
Pvap	0.01	kPa	417.75	A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
ΔfusS	[97.42; 253.90]	J/mol×K	[321.30; 324.10]
ΔfusS	97.42	J/mol×K	321.30	NIST
ΔfusS	253.90	J/mol×K	322.00	NIST
ΔfusS	169.37	J/mol×K	324.10	NIST
γ	[0.03; 0.03]	N/m	[333.15; 343.15]
γ	0.03	N/m	333.15	Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane
γ	0.03	N/m	343.15	Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane

Pressure Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.06; 101.11]	kPa	[448.15; 664.15]	KDB Vapor Pressure Data
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			3.17065e+02
Coefficient B			-2.83729e+04
Coefficient C			-4.24944e+01
Coefficient D			1.45601e-05
Temperature range, min.			448.15
Temperature range, max.			664.15
Pvap	0.06	kPa	448.15	Calculated Property
Pvap	0.24	kPa	472.15	Calculated Property
Pvap	0.74	kPa	496.15	Calculated Property
Pvap	2.00	kPa	520.15	Calculated Property
Pvap	4.72	kPa	544.15	Calculated Property
Pvap	10.07	kPa	568.15	Calculated Property
Pvap	19.71	kPa	592.15	Calculated Property
Pvap	35.92	kPa	616.15	Calculated Property
Pvap	61.73	kPa	640.15	Calculated Property
Pvap	101.11	kPa	664.15	Calculated Property

Similar Compounds

Find more compounds similar to Tetracosane.

Mixtures

• Tetracosane + 1-Octadecanol
• Tetracosane + 1-Eicosanol
• Tetracosane + Indole
• Tetracosane + Octane
• Tetracosane + Octane + Cyclohexane
• Tetracosane + Di-n-propyl ether
• Tetracosane + n-Butyl ether
• Tetracosane + Butane, 1-chloro-
• Tetracosane + Octane, 1-chloro-
• Tetracosane + Decane
• Tetracosane + Eicosane
• Tetracosane + Eicosane + Decane
• Toluene + Tetracosane

Sources

• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Experimental solubility data of various n-alkane waxes: effects of alkane chain length, alkane odd versus even carbon number structures, and solvent chemistry on solubility
• Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
• Solid-liquid equilibria of eicosane, tetracosane or biphenyl + 1- octadecanol, or + 1-eicosanol mixtures
• Thermal conductivity of heavy, even-carbon number n-alkanes (C22 to C32)
• High pressure solid solid and solid liquid transition data for long chain alkanes
• Solid-liquid equilibria of indole binary systems
• Excess Molar Volumes for Three and Four Component Mixtures Simulating the Binary Mixture (Cyclohexane+ Hexadecane)
• A Comparison of Results by Correlation Gas Chromatography with Another Gas Chromatographic Retention Time Technique. The Effects of Retention Time Coincidence on Vaporization Enthalpy and Vapor Pressure
• Vapor Pressures and Vaporization Enthalpies of the n-Alkanes from C21 to C30 at T = 298.15 K by Correlation Gas Chromatography
• Solubilities of Some Long-Chain n-Alkanes in Dipropyl Ether, Dibutyl Ether, 1-Chlorobutane, and 1-Chlorooctane as Functions of Temperature
• Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane
• A Gas Saturation Apparatus for Very Low Vapor or Sublimation Pressure Measurements (10-3 Pa): Vapor-Liquid Equilibria of n-Alkanes (n-C10, n-C24, n-C28)
• Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
• Joback Method
• KDB
• McGowan Method
• NIST Webbook

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