Chemical Properties of Pentacosane (CAS 629-99-2)

InChI

InChI=1S/C25H52/c1-3-5-7-9-11-13-15-17-19-21-23-25-24-22-20-18-16-14-12-10-8-6-4-2/h3-25H2,1-2H3

InChI Key

YKNWIILGEFFOPE-UHFFFAOYSA-N

Formula

C25H52

SMILES

CCCCCCCCCCCCCCCCCCCCCCCCC

Molecular Weight¹

352.68

CAS

629-99-2

Other Names

• n-pentacosane

• 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_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_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_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	1.1053		ChemSep v8.3 pure component data Compiled value
μ	0.00	debye	ChemSep v8.3 pure component data Compiled value
ΔfG°	155.30	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	-560.70	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfusH°	55.53	kJ/mol	Solid liquid equilibria and purity determination for binary n-alkane + naphthalene systems
ΔsubH°	174.00 ± 10.00	kJ/mol	NIST
ΔvapH°	[126.80; 129.80]	kJ/mol
ΔvapH°	126.80	kJ/mol	NIST
ΔvapH°	128.60 ± 2.20	kJ/mol	NIST
ΔvapH°	127.60 ± 0.80	kJ/mol	NIST
ΔvapH°	129.80 ± 2.90	kJ/mol	NIST
IE	10.06	eV	Relay (1.0) Calculated Property
log10WS	-10.04		Relay (1.0) Calculated Property
logPoct/wat	9.998		Crippen Calculated Property
McVol	363.110	ml/mol	McGowan Calculated Property
Pc	950.00	kPa	ChemSep v8.3 pure component data Compiled value
Ptriple	7.99e-07	kPa	ChemSep v8.3 pure component data Compiled value
Inp	[394.59; 402.21]
Inp	394.59		NIST
Inp	402.21		NIST
S°solid,1 bar	671.10	J/mol×K	NIST
Tboil	[675.05; 675.10]	K
Tboil	675.05	K	ChemSep v8.3 pure component data Compiled value
Tboil	675.10	K	NIST
Tc	812.00	K	ChemSep v8.3 pure component data Compiled value
Tfus	[325.50; 328.90]	K
Tfus	326.65	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	327.90	K	ChemSep v8.3 pure component data Compiled value
Tfus	326.65	K	KDB
Tfus	327.20 ± 0.40	K	NIST
Tfus	326.00 ± 0.10	K	NIST
Tfus	326.70 ± 0.30	K	NIST
Tfus	326.15 ± 2.00	K	NIST
Tfus	327.65 ± 2.00	K	NIST
Tfus	326.50 ± 0.60	K	NIST
Tfus	326.15 ± 3.00	K	NIST
Tfus	326.60 ± 0.20	K	NIST
Tfus	326.50 ± 0.60	K	NIST
Tfus	326.50 ± 0.50	K	NIST
Tfus	325.50 ± 3.00	K	NIST
Tfus	325.50 ± 2.00	K	NIST
Tfus	326.90 ± 2.00	K	NIST
Tfus	Outlier 328.90 ± 1.00	K	NIST
Tfus	327.10 ± 1.00	K	NIST
Tfus	327.00 ± 3.00	K	NIST
Ttriple	326.65	K	ChemSep v8.3 pure component data Compiled value
UQi	14.12		ChemSep v8.3 pure component data Compiled value
URi	17.31		ChemSep v8.3 pure component data Compiled value
Vc	1.460	m3/kmol	ChemSep v8.3 pure component data Compiled value
VCOSTALD	1.79	m3/kmol	Hankinson and Thomson (1979), COSTALD parameters Compiled value
ωSRK	1.00		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zc	0.2054400		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	[812.00; 861.00]	J/mol×K	[330.00; 370.00]
Cp,liquid	812.00	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	815.90	J/mol×K	333.00	NIST
Cp,liquid	824.00	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	836.00	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	849.00	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	861.00	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,solid	769.00	J/mol×K	294.50	NIST
ΔfusH	[26.07; 79.39]	kJ/mol	[320.20; 326.70]
ΔfusH	26.07	kJ/mol	320.20	NIST
ΔfusH	55.53	kJ/mol	325.90	NIST
ΔfusH	57.80	kJ/mol	326.40	NIST
ΔfusH	79.39	kJ/mol	326.60	NIST
ΔfusH	57.74	kJ/mol	326.70	NIST
ΔfusH	57.74	kJ/mol	326.70	NIST
ΔvapH	[90.90; 126.80]	kJ/mol	[298.00; 566.00]
ΔvapH	119.10	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	126.80	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	126.00 ± 1.00	kJ/mol	415.50	NIST
ΔvapH	106.60	kJ/mol	422.00	NIST
ΔvapH	97.60	kJ/mol	460.50	NIST
ΔvapH	90.90 ± 5.70	kJ/mol	479.50	NIST
ΔvapH	99.20	kJ/mol	566.00	NIST
Pvap	[3.31e-04; 0.09]	kPa	[381.69; 461.98]
Pvap	3.31e-04	kPa	381.69	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	7.83e-04	kPa	391.91	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	1.78e-03	kPa	402.03	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	3.83e-03	kPa	411.75	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	3.83e-03	kPa	411.78	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	8.02e-03	kPa	422.02	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.02	kPa	432.21	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.03	kPa	442.33	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.03	kPa	442.34	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.05	kPa	452.24	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.05	kPa	452.25	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.09	kPa	461.95	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.09	kPa	461.98	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	0.09	kPa	461.98	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
ΔfusS	[81.42; 243.10]	J/mol×K	[320.20; 326.70]
ΔfusS	81.42	J/mol×K	320.20	NIST
ΔfusS	243.10	J/mol×K	326.60	NIST
ΔfusS	176.76	J/mol×K	326.70	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[537.50; 1518.96]	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			3.30530e+02
Coefficient B			-5.66250e+02
Coefficient C			7.37524e+00
Coefficient D			1.28740e-04
Coefficient E			-4.90960e-08
Temperature range, min.			273.00
Temperature range, max.			1500.00
Cp,gas	537.50	J/mol×K	273.00	Calculated Property
Cp,gas	748.90	J/mol×K	409.33	Calculated Property
Cp,gas	928.27	J/mol×K	545.67	Calculated Property
Cp,gas	1072.96	J/mol×K	682.00	Calculated Property
Cp,gas	1189.53	J/mol×K	818.33	Calculated Property
Cp,gas	1284.15	J/mol×K	954.67	Calculated Property
Cp,gas	1361.49	J/mol×K	1091.00	Calculated Property
Cp,gas	1424.90	J/mol×K	1227.33	Calculated Property
Cp,gas	1476.80	J/mol×K	1363.67	Calculated Property
Cp,gas	1518.96	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[802.95; 1308.48]	J/mol×K	[320.00; 750.00]	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			5.28340e+02
Coefficient B			-1.26870e+02
Coefficient C			5.16724e+00
Coefficient D			2.95500e-03
Coefficient E			-9.86420e-07
Temperature range, min.			320.00
Temperature range, max.			750.00
Cp,liquid	802.95	J/mol×K	320.00	Calculated Property
Cp,liquid	850.69	J/mol×K	367.78	Calculated Property
Cp,liquid	900.59	J/mol×K	415.56	Calculated Property
Cp,liquid	952.80	J/mol×K	463.33	Calculated Property
Cp,liquid	1007.32	J/mol×K	511.11	Calculated Property
Cp,liquid	1064.08	J/mol×K	558.89	Calculated Property
Cp,liquid	1122.87	J/mol×K	606.67	Calculated Property
Cp,liquid	1183.44	J/mol×K	654.44	Calculated Property
Cp,liquid	1245.45	J/mol×K	702.22	Calculated Property
Cp,liquid	1308.48	J/mol×K	750.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0050525; 0.0001711]	Pa×s	[326.65; 730.80]	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			-9.80400e+00
Coefficient B			1.97180e+03
Coefficient C			-2.69980e-01
Coefficient D			3.99140e-07
Coefficient E			2.00000e+00
Temperature range, min.			326.65
Temperature range, max.			730.80
η	0.0050525	Pa×s	326.65	Calculated Property
η	0.0023823	Pa×s	371.56	Calculated Property
η	0.0013220	Pa×s	416.46	Calculated Property
η	0.0008240	Pa×s	461.37	Calculated Property
η	0.0005597	Pa×s	506.27	Calculated Property
η	0.0004059	Pa×s	551.18	Calculated Property
η	0.0003098	Pa×s	596.08	Calculated Property
η	0.0002464	Pa×s	640.99	Calculated Property
η	0.0002025	Pa×s	685.89	Calculated Property
η	0.0001711	Pa×s	730.80	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[114.53; 0.00]	kJ/mol	[326.65; 812.00]	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			1.92880e+02
Coefficient B			1.89370e+00
Coefficient C			-3.47120e+00
Coefficient D			3.96360e+00
Coefficient E			-1.93440e+00
Critical temperature, Tc (K)			8.12000e+02
Temperature range, min.			326.65
Temperature range, max.			812.00
ΔvapH	114.53	kJ/mol	326.65	Calculated Property
ΔvapH	106.56	kJ/mol	380.58	Calculated Property
ΔvapH	98.70	kJ/mol	434.51	Calculated Property
ΔvapH	90.80	kJ/mol	488.43	Calculated Property
ΔvapH	82.80	kJ/mol	542.36	Calculated Property
ΔvapH	74.66	kJ/mol	596.29	Calculated Property
ΔvapH	66.25	kJ/mol	650.22	Calculated Property
ΔvapH	57.13	kJ/mol	704.14	Calculated Property
ΔvapH	45.37	kJ/mol	758.07	Calculated Property
ΔvapH	0.00	kJ/mol	812.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[2.85e-06; 296.41]	kPa	[326.65; 812.00]	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			-2.10158e+02
Coefficient B			-1.09506e+03
Coefficient C			3.51974e+01
Coefficient D			-2.82197e-05
Coefficient E			2.00000e+00
Temperature range, min.			326.65
Temperature range, max.			812.00
Pvap	2.85e-06	kPa	326.65	Calculated Property
Pvap	3.39e-04	kPa	380.58	Calculated Property
Pvap	0.01	kPa	434.51	Calculated Property
Pvap	0.30	kPa	488.43	Calculated Property
Pvap	3.07	kPa	542.36	Calculated Property
Pvap	18.33	kPa	596.29	Calculated Property
Pvap	67.44	kPa	650.22	Calculated Property
Pvap	161.35	kPa	704.14	Calculated Property
Pvap	261.48	kPa	758.07	Calculated Property
Pvap	296.41	kPa	812.00	Calculated Property
Pvap	[2.09e-05; 42.74]	kPa	[355.15; 675.15]	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			5.22396e+02
Coefficient B			-3.82614e+04
Coefficient C			-7.31253e+01
Coefficient D			3.16722e-05
Coefficient E			0.00000e+00
Temperature range, min.			355.15
Temperature range, max.			675.15
Pvap	2.09e-05	kPa	355.15	Calculated Property
Pvap	8.19e-04	kPa	390.71	Calculated Property
Pvap	0.01	kPa	426.26	Calculated Property
Pvap	0.10	kPa	461.82	Calculated Property
Pvap	0.47	kPa	497.37	Calculated Property
Pvap	1.63	kPa	532.93	Calculated Property
Pvap	4.46	kPa	568.48	Calculated Property
Pvap	10.39	kPa	604.04	Calculated Property
Pvap	21.77	kPa	639.59	Calculated Property
Pvap	42.74	kPa	675.15	Calculated Property
Pvap	[0.13; 100.01]	kPa	[467.40; 663.40]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.99190e+01
Coefficient B			-9.94092e+03
Coefficient C			-1.42520e+01
Reference			Stull, 1947
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			467.40
Temperature range, max.			663.40
Pvap	0.13	kPa	467.40	Calculated Property
Pvap	0.36	kPa	489.18	Calculated Property
Pvap	0.91	kPa	510.96	Calculated Property
Pvap	2.11	kPa	532.73	Calculated Property
Pvap	4.57	kPa	554.51	Calculated Property
Pvap	9.32	kPa	576.29	Calculated Property
Pvap	18.02	kPa	598.07	Calculated Property
Pvap	33.24	kPa	619.84	Calculated Property
Pvap	58.77	kPa	641.62	Calculated Property
Pvap	100.01	kPa	663.40	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[800.25; 290.64]	kg/m3	[293.15; 812.00]	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			2.23603e-01
Coefficient B			1.53880e-02
Coefficient C			8.36310e+02
Coefficient D			9.37520e-02
Temperature range, min.			293.15
Temperature range, max.			812.00
ρl	800.25	kg/m3	293.15	Calculated Property
ρl	767.38	kg/m3	350.80	Calculated Property
ρl	732.34	kg/m3	408.45	Calculated Property
ρl	694.66	kg/m3	466.10	Calculated Property
ρl	653.62	kg/m3	523.75	Calculated Property
ρl	608.18	kg/m3	581.40	Calculated Property
ρl	556.56	kg/m3	639.05	Calculated Property
ρl	495.48	kg/m3	696.70	Calculated Property
ρl	417.23	kg/m3	754.35	Calculated Property
ρl	290.64	kg/m3	812.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.03; 3.69e-04]	N/m	[326.65; 812.00]	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			-2.81790e-02
Coefficient B			-8.52910e+01
Coefficient C			-1.85550e+00
Coefficient D			-2.60560e-03
Coefficient E			7.88840e-07
Temperature range, min.			326.65
Temperature range, max.			812.00
γ	0.03	N/m	326.65	Calculated Property
γ	0.02	N/m	380.58	Calculated Property
γ	0.02	N/m	434.51	Calculated Property
γ	0.02	N/m	488.43	Calculated Property
γ	0.01	N/m	542.36	Calculated Property
γ	0.01	N/m	596.29	Calculated Property
γ	0.01	N/m	650.22	Calculated Property
γ	0.00	N/m	704.14	Calculated Property
γ	0.00	N/m	758.07	Calculated Property
γ	3.69e-04	N/m	812.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λgas	[0.01; 0.06]	W/m×K	[326.65; 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			-2.66990e+02
Coefficient B			1.06060e+00
Coefficient C			-6.49610e+09
Coefficient D			-1.21670e+11
Temperature range, min.			326.65
Temperature range, max.			1000.00
λgas	0.01	W/m×K	326.65	Calculated Property
λgas	0.01	W/m×K	401.47	Calculated Property
λgas	0.01	W/m×K	476.28	Calculated Property
λgas	0.02	W/m×K	551.10	Calculated Property
λgas	0.02	W/m×K	625.92	Calculated Property
λgas	0.03	W/m×K	700.73	Calculated Property
λgas	0.04	W/m×K	775.55	Calculated Property
λgas	0.04	W/m×K	850.37	Calculated Property
λgas	0.05	W/m×K	925.18	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	[326.65; 675.05]	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			5.83430e-03
Coefficient B			-2.03860e+02
Coefficient C			-3.74320e-01
Coefficient D			-2.97920e-03
Coefficient E			2.47730e-07
Temperature range, min.			326.65
Temperature range, max.			675.05
λliquid	0.15	W/m×K	326.65	Calculated Property
λliquid	0.14	W/m×K	365.36	Calculated Property
λliquid	0.14	W/m×K	404.07	Calculated Property
λliquid	0.13	W/m×K	442.78	Calculated Property
λliquid	0.12	W/m×K	481.49	Calculated Property
λliquid	0.11	W/m×K	520.21	Calculated Property
λliquid	0.10	W/m×K	558.92	Calculated Property
λliquid	0.10	W/m×K	597.63	Calculated Property
λliquid	0.09	W/m×K	636.34	Calculated Property
λliquid	0.08	W/m×K	675.05	Calculated Property

Similar Compounds

Find more compounds similar to Pentacosane.

Mixtures

• Pentacosane + Naphthalene

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.
• 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
• Solid liquid equilibria and purity determination for binary n-alkane + naphthalene systems
• 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
• Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
• 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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