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).
• μ : Dipole Moment (debye).
• 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_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• 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).
• λ_gas : Gas thermal conductivity (W/m×K).
• λ_liquid : Liquid thermal conductivity (W/m×K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• U_Qi : UNIQUAC Qi Parameter.
• U_Ri : UNIQUAC Ri Parameter.
• V_c : Critical Volume (m³/kmol).
• V_COSTALD : COSTALD Characteristic Volume (m³/kmol).
• ω_SRK : SRK acentric factor.
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	[1.0411; 1.0710]
ω	1.0411		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ω	1.0710		ChemSep v8.3 pure component data Compiled value
μ	0.00	debye	ChemSep v8.3 pure component data Compiled value
ΔfG°	147.20	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	-540.00	kJ/mol	ChemSep v8.3 pure component data Compiled value
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; 980.00]	kPa
Pc	870.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 2 Compiled value
Pc	896.73	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Pc	Outlier 980.00	kPa	ChemSep v8.3 pure component data Compiled value
Pc	870.00	kPa	KDB
Pc	900.00 ± 200.00	kPa	NIST
Pc	866.00 ± 40.00	kPa	NIST
Ptriple	1.39e-06	kPa	ChemSep v8.3 pure component data Compiled value
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
Inp	382.35		NIST
S°solid,1 bar	651.00	J/mol×K	NIST
Tboil	[516.00; 664.50]	K
Tboil	664.45	K	ChemSep v8.3 pure component data Compiled value
Tboil	664.50	K	NIST
Tboil	597.30 ± 4.00	K	NIST
Tboil	516.00 ± 6.00	K	NIST
Tc	[799.80; 804.00]	K
Tc	801.00	K	Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
Tc	800.00	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 2 Compiled value
Tc	802.62	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tc	804.00	K	ChemSep v8.3 pure component data Compiled value
Tc	800.00	K	KDB
Tc	800.00 ± 8.00	K	NIST
Tc	799.80 ± 3.00	K	NIST
Tfus	[320.50; 328.00]	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
Tfus	325.65	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	324.05	K	ChemSep v8.3 pure component data Compiled value
Tfus	323.75 ± 0.30	K	NIST
Tfus	324.55 ± 0.15	K	NIST
Tfus	323.90 ± 0.20	K	NIST
Tfus	323.75 ± 0.50	K	NIST
Tfus	321.00 ± 4.00	K	NIST
Tfus	323.00 ± 2.00	K	NIST
Tfus	324.08 ± 0.30	K	NIST
Tfus	322.40 ± 3.00	K	NIST
Tfus	324.00 ± 1.00	K	NIST
Tfus	323.80 ± 0.40	K	NIST
Tfus	323.83 ± 0.15	K	NIST
Tfus	324.00 ± 2.00	K	NIST
Tfus	323.00 ± 0.80	K	NIST
Tfus	Outlier 320.50 ± 0.10	K	NIST
Tfus	323.80 ± 0.50	K	NIST
Tfus	323.80 ± 0.50	K	NIST
Tfus	324.30 ± 0.50	K	NIST
Tfus	326.70 ± 1.00	K	NIST
Tfus	324.00 ± 2.00	K	NIST
Tfus	327.00 ± 4.00	K	NIST
Tfus	327.00 ± 2.00	K	NIST
Tfus	324.00 ± 2.00	K	NIST
Tfus	321.60 ± 3.00	K	NIST
Tfus	324.20 ± 1.50	K	NIST
Tfus	325.00 ± 2.00	K	NIST
Tfus	323.20 ± 2.00	K	NIST
Tfus	324.00 ± 2.00	K	NIST
Tfus	322.70 ± 2.00	K	NIST
Tfus	Outlier 328.00 ± 3.00	K	NIST
Tfus	324.00 ± 3.00	K	NIST
Tfus	321.00 ± 4.00	K	NIST
Tfus	324.00 ± 2.00	K	NIST
Tfus	324.30 ± 1.00	K	NIST
Tfus	324.30 ± 1.00	K	NIST
Tfus	324.30 ± 3.00	K	NIST
Ttriple	[320.80; 323.75]	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	323.75	K	ChemSep v8.3 pure component data Compiled value
Ttriple	323.65 ± 1.00	K	NIST
UQi	13.58		ChemSep v8.3 pure component data Compiled value
URi	16.64		ChemSep v8.3 pure component data Compiled value
Vc	[1.362; 1.410]	m3/kmol
Vc	1.362	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Vc	1.410	m3/kmol	ChemSep v8.3 pure component data Compiled value
VCOSTALD	1.71	m3/kmol	Hankinson and Thomson (1979), COSTALD parameters Compiled value
ωSRK	1.03		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zc	0.2067070		ChemSep v8.3 pure component data Compiled value
Zra	0.23		ChemSep v8.3 pure component data Compiled value

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[772.50; 909.30]	J/mol×K	[330.00; 450.00]
Cp,liquid	774.20	J/mol×K	330.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	772.50	J/mol×K	330.63	NIST
Cp,liquid	785.40	J/mol×K	340.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	796.70	J/mol×K	350.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	805.00	J/mol×K	353.00	NIST
Cp,liquid	808.00	J/mol×K	360.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	819.20	J/mol×K	370.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	830.50	J/mol×K	380.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	841.70	J/mol×K	390.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	853.00	J/mol×K	400.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	864.30	J/mol×K	410.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	875.50	J/mol×K	420.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	886.80	J/mol×K	430.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	898.00	J/mol×K	440.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	909.30	J/mol×K	450.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
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
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

Property	Value	Unit	Pressure (kPa)	Source
Tboilr	504.50	K	1.30	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[516.31; 1459.28]	J/mol×K	[273.00; 1500.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K
Coefficient A			3.18880e+02
Coefficient B			-5.69390e+02
Coefficient C			7.34124e+00
Coefficient D			1.22130e-04
Coefficient E			-4.69830e-08
Temperature range, min.			273.00
Temperature range, max.			1500.00
Cp,gas	516.31	J/mol×K	273.00	Calculated Property
Cp,gas	719.23	J/mol×K	409.33	Calculated Property
Cp,gas	891.61	J/mol×K	545.67	Calculated Property
Cp,gas	1030.68	J/mol×K	682.00	Calculated Property
Cp,gas	1142.68	J/mol×K	818.33	Calculated Property
Cp,gas	1233.57	J/mol×K	954.67	Calculated Property
Cp,gas	1307.85	J/mol×K	1091.00	Calculated Property
Cp,gas	1368.77	J/mol×K	1227.33	Calculated Property
Cp,gas	1418.67	J/mol×K	1363.67	Calculated Property
Cp,gas	1459.28	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[763.15; 1138.15]	J/mol×K	[323.75; 664.45]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,liquid in J/mol×K, T in K
Coefficient A			3.97960e+02
Coefficient B			-9.78140e+01
Coefficient C			5.20024e+00
Coefficient D			3.81560e-03
Coefficient E			-2.22290e-06
Temperature range, min.			323.75
Temperature range, max.			664.45
Cp,liquid	763.15	J/mol×K	323.75	Calculated Property
Cp,liquid	809.06	J/mol×K	361.61	Calculated Property
Cp,liquid	855.04	J/mol×K	399.46	Calculated Property
Cp,liquid	900.70	J/mol×K	437.32	Calculated Property
Cp,liquid	945.57	J/mol×K	475.17	Calculated Property
Cp,liquid	989.09	J/mol×K	513.03	Calculated Property
Cp,liquid	1030.69	J/mol×K	550.88	Calculated Property
Cp,liquid	1069.79	J/mol×K	588.74	Calculated Property
Cp,liquid	1105.80	J/mol×K	626.59	Calculated Property
Cp,liquid	1138.15	J/mol×K	664.45	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0050679; 0.0000828]	Pa×s	[323.75; 804.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-6.47480e+01
Coefficient B			4.43300e+03
Coefficient C			8.02720e+00
Coefficient D			-5.97710e-06
Coefficient E			2.00000e+00
Temperature range, min.			323.75
Temperature range, max.			804.00
η	0.0050679	Pa×s	323.75	Calculated Property
η	0.0019869	Pa×s	377.11	Calculated Property
η	0.0010348	Pa×s	430.47	Calculated Property
η	0.0006344	Pa×s	483.83	Calculated Property
η	0.0004269	Pa×s	537.19	Calculated Property
η	0.0003023	Pa×s	590.56	Calculated Property
η	0.0002192	Pa×s	643.92	Calculated Property
η	0.0001599	Pa×s	697.28	Calculated Property
η	0.0001159	Pa×s	750.64	Calculated Property
η	0.0000828	Pa×s	804.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[112.25; 0.00]	kJ/mol	[323.75; 804.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K
Coefficient A			1.54620e+02
Coefficient B			2.48920e-01
Coefficient C			1.88080e+00
Coefficient D			-2.82900e+00
Coefficient E			1.13190e+00
Critical temperature, Tc (K)			8.04000e+02
Temperature range, min.			323.75
Temperature range, max.			804.00
ΔvapH	112.25	kJ/mol	323.75	Calculated Property
ΔvapH	104.06	kJ/mol	377.11	Calculated Property
ΔvapH	96.23	kJ/mol	430.47	Calculated Property
ΔvapH	88.75	kJ/mol	483.83	Calculated Property
ΔvapH	81.52	kJ/mol	537.19	Calculated Property
ΔvapH	74.29	kJ/mol	590.56	Calculated Property
ΔvapH	66.58	kJ/mol	643.92	Calculated Property
ΔvapH	57.41	kJ/mol	697.28	Calculated Property
ΔvapH	44.39	kJ/mol	750.64	Calculated Property
ΔvapH	0.00	kJ/mol	804.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.64e-06; 853.07]	kPa	[323.75; 804.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K
Coefficient A			1.11557e+02
Coefficient B			-1.70148e+04
Coefficient C			-1.25145e+01
Coefficient D			1.10989e-07
Coefficient E			2.00000e+00
Temperature range, min.			323.75
Temperature range, max.			804.00
Pvap	1.64e-06	kPa	323.75	Calculated Property
Pvap	4.14e-04	kPa	377.11	Calculated Property
Pvap	0.02	kPa	430.47	Calculated Property
Pvap	0.39	kPa	483.83	Calculated Property
Pvap	3.47	kPa	537.19	Calculated Property
Pvap	18.69	kPa	590.56	Calculated Property
Pvap	69.44	kPa	643.92	Calculated Property
Pvap	195.24	kPa	697.28	Calculated Property
Pvap	443.48	kPa	750.64	Calculated Property
Pvap	853.07	kPa	804.00	Calculated Property
Pvap	[0.06; 101.11]	kPa	[448.15; 664.15]	KDB Vapor Pressure Data
Equation			ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K
Coefficient A			3.17065e+02
Coefficient B			-2.83729e+04
Coefficient C			-4.24944e+01
Coefficient D			1.45601e-05
Coefficient E			0.00000e+00
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
Pvap	[0.13; 102.08]	kPa	[457.00; 659.60]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.78181e+01
Coefficient B			-7.97448e+03
Coefficient C			-5.51210e+01
Reference			Stull, 1947
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			457.00
Temperature range, max.			659.60
Pvap	0.13	kPa	457.00	Calculated Property
Pvap	0.38	kPa	479.51	Calculated Property
Pvap	0.97	kPa	502.02	Calculated Property
Pvap	2.29	kPa	524.53	Calculated Property
Pvap	4.99	kPa	547.04	Calculated Property
Pvap	10.14	kPa	569.56	Calculated Property
Pvap	19.42	kPa	592.07	Calculated Property
Pvap	35.31	kPa	614.58	Calculated Property
Pvap	61.28	kPa	637.09	Calculated Property
Pvap	102.08	kPa	659.60	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[804.56; 252.10]	kg/m3	[273.15; 804.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K
Coefficient A			4.68053e+00
Coefficient B			7.08700e-02
Coefficient C			8.10000e+02
Coefficient D			1.38850e-01
Temperature range, min.			273.15
Temperature range, max.			804.00
ρl	804.56	kg/m3	273.15	Calculated Property
ρl	772.95	kg/m3	332.13	Calculated Property
ρl	739.25	kg/m3	391.12	Calculated Property
ρl	702.94	kg/m3	450.10	Calculated Property
ρl	663.29	kg/m3	509.08	Calculated Property
ρl	619.17	kg/m3	568.07	Calculated Property
ρl	568.62	kg/m3	627.05	Calculated Property
ρl	507.73	kg/m3	686.03	Calculated Property
ρl	426.24	kg/m3	745.02	Calculated Property
ρl	252.10	kg/m3	804.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.03; 1.41e-05]	N/m	[323.75; 797.76]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K
Coefficient A			-8.70250e-02
Coefficient B			-2.97020e+01
Coefficient C			-1.70090e+00
Coefficient D			-1.34320e-03
Coefficient E			5.78680e-07
Comment			Range stopped where the equation turns negative; ChemSep gives it to 804 K.
Temperature range, min.			323.75
Temperature range, max.			797.76
γ	0.03	N/m	323.75	Calculated Property
γ	0.02	N/m	376.42	Calculated Property
γ	0.02	N/m	429.08	Calculated Property
γ	0.02	N/m	481.75	Calculated Property
γ	0.01	N/m	534.42	Calculated Property
γ	0.01	N/m	587.09	Calculated Property
γ	0.01	N/m	639.75	Calculated Property
γ	0.00	N/m	692.42	Calculated Property
γ	0.00	N/m	745.09	Calculated Property
γ	1.41e-05	N/m	797.76	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λgas	[0.01; 0.06]	W/m×K	[323.75; 1000.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·T^B / (1 + C/T + D/T²) Y is λgas in W/m×K, T in K
Coefficient A			-2.32020e+02
Coefficient B			1.06300e+00
Coefficient C			-5.65290e+09
Coefficient D			-8.40420e+10
Temperature range, min.			323.75
Temperature range, max.			1000.00
λgas	0.01	W/m×K	323.75	Calculated Property
λgas	0.01	W/m×K	398.89	Calculated Property
λgas	0.01	W/m×K	474.03	Calculated Property
λgas	0.02	W/m×K	549.17	Calculated Property
λgas	0.02	W/m×K	624.31	Calculated Property
λgas	0.03	W/m×K	699.44	Calculated Property
λgas	0.04	W/m×K	774.58	Calculated Property
λgas	0.04	W/m×K	849.72	Calculated Property
λgas	0.05	W/m×K	924.86	Calculated Property
λgas	0.06	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λliquid	[0.15; 0.08]	W/m×K	[323.15; 683.15]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is λliquid in W/m×K, T in K
Coefficient A			4.60690e-02
Coefficient B			-2.45010e+02
Coefficient C			-6.25620e-01
Coefficient D			-1.91920e-03
Coefficient E			-2.31350e-06
Temperature range, min.			323.15
Temperature range, max.			683.15
λliquid	0.15	W/m×K	323.15	Calculated Property
λliquid	0.15	W/m×K	363.15	Calculated Property
λliquid	0.14	W/m×K	403.15	Calculated Property
λliquid	0.13	W/m×K	443.15	Calculated Property
λliquid	0.12	W/m×K	483.15	Calculated Property
λliquid	0.11	W/m×K	523.15	Calculated Property
λliquid	0.10	W/m×K	563.15	Calculated Property
λliquid	0.09	W/m×K	603.15	Calculated Property
λliquid	0.09	W/m×K	643.15	Calculated Property
λliquid	0.08	W/m×K	683.15	Calculated Property

Similar Compounds

Find more compounds similar to Tetracosane.

Mixtures

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

Sources

• KDB Vapor Pressure Data
• Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
• Hankinson and Thomson (1979), COSTALD parameters ChEDL chemicals 1.5.2, from Hankinson, R. W.; Thomson, G. H. A New Correlation for Saturated Densities of Liquids and Their Mixtures. AIChE J. 1979, 25, 653-663.
• IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 2 ChEDL chemicals 1.5.2, from Ambrose, D.; Tsonopoulos, C. Vapor-Liquid Critical Properties of Elements and Compounds. 2. Normal Alkanes. J. Chem. Eng. Data 1995, 40, 531-546.
• PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
• Cheméo Relay (1.0)
• ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
• 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
• Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD

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