Chemical Properties of Cyclopentane, ethyl- (CAS 1640-89-7)

InChI

InChI=1S/C7H14/c1-2-7-5-3-4-6-7/h7H,2-6H2,1H3

InChI Key

IFTRQJLVEBNKJK-UHFFFAOYSA-N

Formula

C7H14

SMILES

CCC1CCCC1

Molecular Weight¹

98.19

CAS

1640-89-7

Other Names

• Ethylcyclopentane

• ω : Acentric Factor.
• AP : Aniline Point (K).
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• C_sat : Molar heat capacity at saturation pressure (J/mol×K).
• μ : Dipole Moment (debye).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_c,grossH : Heat of Combustion, Gross form (kJ/mol).
• Δ_c,netH : Heat of Combustion, Net Form (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_liquid : Liquid phase 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_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).
• NFPA Fire : NFPA Fire Rating.
• NFPA Health : NFPA Health Rating.
• P_c : Critical Pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• n₀ : Refractive Index.
• ρ_c : Critical density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I_p : Polar retention indices.
• S°_gas : Molar entropy at standard conditions (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• γ : Surface Tension (N/m).
• 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).
• Z_c : Critical Compressibility.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	[0.2700; 0.2826]
ω	0.2708		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ω	0.2826		Passut and Danner (1973), critical constants and acentric factors Compiled value
ω	0.2700		ChemSep v8.3 pure component data Compiled value
ω	0.2710		KDB
AP	309.850	K	KDB
ΔcH°liquid	[-4591.94; -4589.60]	kJ/mol
ΔcH°liquid	-4591.94 ± 0.92	kJ/mol	NIST
ΔcH°liquid	-4589.60 ± 1.50	kJ/mol	NIST
μ	0.00	debye	ChemSep v8.3 pure component data Compiled value
ΔfG°	[44.59; 44.80]	kJ/mol
ΔfG°	44.80	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfG°	44.59	kJ/mol	KDB
Δc,grossH	4591.94	kJ/mol	KDB
Δc,netH	4283.872	kJ/mol	KDB
ΔfH°gas	[-129.40; -126.90]	kJ/mol
ΔfH°gas	-126.90	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	-127.20	kJ/mol	KDB
ΔfH°gas	-127.10 ± 1.00	kJ/mol	NIST
ΔfH°gas	-129.40	kJ/mol	NIST
ΔfH°liquid	[-165.80; -163.50]	kJ/mol
ΔfH°liquid	-163.50 ± 1.00	kJ/mol	NIST
ΔfH°liquid	-165.80 ± 1.60	kJ/mol	NIST
ΔfusH°	7.82	kJ/mol	Joback Calculated Property
ΔvapH°	[36.40; 36.50]	kJ/mol
ΔvapH°	36.47	kJ/mol	NIST
ΔvapH°	36.50	kJ/mol	NIST
ΔvapH°	36.40	kJ/mol	NIST
IE	[9.60; 10.12]	eV
IE	9.60	eV	NIST
IE	10.12 ± 0.02	eV	NIST
log10WS	-4.05		Relay (1.0) Calculated Property
logPoct/wat	2.587		Crippen Calculated Property
McVol	98.630	ml/mol	McGowan Calculated Property
NFPA Fire	3		KDB
NFPA Health	1		KDB
Pc	[3397.00; 3400.47]	kPa
Pc	3400.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Pc	3400.47	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Pc	3397.74	kPa	Passut and Danner (1973), critical constants and acentric factors Compiled value
Pc	3397.00	kPa	ChemSep v8.3 pure component data Compiled value
Pc	3400.00	kPa	KDB
Pc	3400.00 ± 40.00	kPa	NIST
Pc	3397.02 ± 5.06	kPa	NIST
Ptriple	3.71e-09	kPa	ChemSep v8.3 pure component data Compiled value
ρc	[262.16; 262.16]	kg/m3
ρc	262.16 ± 3.93	kg/m3	NIST
ρc	262.16 ± 1.96	kg/m3	NIST
Inp	[711.00; 753.00]
Inp	722.00		NIST
Inp	741.50		NIST
Inp	729.00		NIST
Inp	734.30		NIST
Inp	734.50		NIST
Inp	734.80		NIST
Inp	734.80		NIST
Inp	733.80		NIST
Inp	737.50		NIST
Inp	734.00		NIST
Inp	735.00		NIST
Inp	729.00		NIST
Inp	733.00		NIST
Inp	737.00		NIST
Inp	733.10		NIST
Inp	737.00		NIST
Inp	733.00		NIST
Inp	735.00		NIST
Inp	736.00		NIST
Inp	729.90		NIST
Inp	731.90		NIST
Inp	734.10		NIST
Inp	735.60		NIST
Inp	743.40		NIST
Inp	727.00		NIST
Inp	729.00		NIST
Inp	731.00		NIST
Inp	733.00		NIST
Inp	735.00		NIST
Inp	737.00		NIST
Inp	734.30		NIST
Inp	734.80		NIST
Inp	Outlier 750.00		NIST
Inp	739.00		NIST
Inp	732.00		NIST
Inp	732.00		NIST
Inp	732.00		NIST
Inp	741.30		NIST
Inp	741.50		NIST
Inp	737.10		NIST
Inp	737.90		NIST
Inp	743.00		NIST
Inp	733.10		NIST
Inp	738.10		NIST
Inp	738.10		NIST
Inp	744.00		NIST
Inp	736.00		NIST
Inp	740.00		NIST
Inp	734.00		NIST
Inp	738.00		NIST
Inp	Outlier 748.00		NIST
Inp	743.00		NIST
Inp	734.00		NIST
Inp	737.00		NIST
Inp	738.00		NIST
Inp	740.00		NIST
Inp	742.00		NIST
Inp	734.40		NIST
Inp	734.00		NIST
Inp	737.00		NIST
Inp	737.00		NIST
Inp	737.00		NIST
Inp	Outlier 749.00		NIST
Inp	729.00		NIST
Inp	734.00		NIST
Inp	738.00		NIST
Inp	741.00		NIST
Inp	738.00		NIST
Inp	738.00		NIST
Inp	738.00		NIST
Inp	Outlier 749.00		NIST
Inp	733.00		NIST
Inp	725.00		NIST
Inp	725.00		NIST
Inp	745.00		NIST
Inp	728.70		NIST
Inp	732.00		NIST
Inp	736.00		NIST
Inp	731.00		NIST
Inp	732.00		NIST
Inp	725.65		NIST
Inp	726.06		NIST
Inp	724.50		NIST
Inp	733.30		NIST
Inp	729.70		NIST
Inp	726.90		NIST
Inp	726.98		NIST
Inp	727.03		NIST
Inp	727.17		NIST
Inp	727.00		NIST
Inp	732.40		NIST
Inp	729.10		NIST
Inp	728.50		NIST
Inp	725.00		NIST
Inp	734.00		NIST
Inp	730.00		NIST
Inp	734.00		NIST
Inp	732.00		NIST
Inp	735.00		NIST
Inp	Outlier 711.00		NIST
Inp	730.00		NIST
Inp	731.00		NIST
Inp	730.00		NIST
Inp	727.00		NIST
Inp	730.00		NIST
Inp	727.00		NIST
Inp	729.00		NIST
Inp	Outlier 749.00		NIST
Inp	734.00		NIST
Inp	736.00		NIST
Inp	Outlier 751.00		NIST
Inp	734.00		NIST
Inp	734.00		NIST
Inp	728.00		NIST
Inp	728.00		NIST
Inp	736.00		NIST
Inp	739.00		NIST
Inp	728.00		NIST
Inp	726.00		NIST
Inp	722.00		NIST
Inp	734.00		NIST
Inp	725.00		NIST
Inp	733.00		NIST
Inp	739.00		NIST
Inp	Outlier 753.00		NIST
Inp	728.70		NIST
Inp	729.00		NIST
Inp	734.00		NIST
Inp	739.00		NIST
Inp	725.00		NIST
Inp	722.00		NIST
Inp	734.80		NIST
Inp	735.00		NIST
Inp	737.00		NIST
Inp	731.90		NIST
Inp	734.30		NIST
Inp	732.00		NIST
Inp	737.90		NIST
Inp	744.00		NIST
Inp	Outlier 748.00		NIST
Inp	740.00		NIST
Inp	738.00		NIST
Inp	Outlier 749.00		NIST
Ip	[773.00; 817.00]
Ip	817.00		NIST
Ip	801.00		NIST
Ip	809.00		NIST
Ip	817.00		NIST
Ip	773.00		NIST
S°gas	378.32	J/mol×K	NIST
S°liquid	279.91	J/mol×K	NIST
Tboil	[375.65; 376.90]	K
Tboil	376.59	K	ChemSep v8.3 pure component data Compiled value
Tboil	376.60	K	KDB
Tboil	376.70	K	NIST
Tboil	376.60	K	NIST
Tboil	376.59 ± 0.10	K	NIST
Tboil	Outlier 375.65 ± 1.50	K	NIST
Tboil	376.60 ± 0.30	K	NIST
Tboil	376.60 ± 0.20	K	NIST
Tboil	376.70 ± 0.80	K	NIST
Tboil	376.61 ± 0.02	K	NIST
Tboil	376.60 ± 0.15	K	NIST
Tboil	376.65 ± 0.20	K	NIST
Tboil	376.60 ± 0.05	K	NIST
Tboil	376.60 ± 0.20	K	NIST
Tboil	376.57 ± 0.30	K	NIST
Tboil	376.61 ± 0.30	K	NIST
Tboil	376.57 ± 0.30	K	NIST
Tboil	376.90 ± 0.40	K	NIST
Tboil	376.57 ± 0.00	K	NIST
Tboil	376.60 ± 0.30	K	NIST
Tboil	376.70 ± 0.30	K	NIST
Tboil	376.60 ± 0.30	K	NIST
Tboil	376.55 ± 0.40	K	NIST
Tboil	376.63 ± 0.20	K	NIST
Tboil	376.65 ± 0.50	K	NIST
Tboil	376.85 ± 0.50	K	NIST
Tboil	376.75 ± 0.50	K	NIST
Tboil	376.30 ± 1.00	K	NIST
Tboil	Outlier 376.00 ± 1.00	K	NIST
Tboil	376.25 ± 1.00	K	NIST
Tc	[569.45; 569.52]	K
Tc	569.50	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Tc	569.50	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tc	569.52	K	Passut and Danner (1973), critical constants and acentric factors Compiled value
Tc	569.50	K	ChemSep v8.3 pure component data Compiled value
Tc	569.50	K	KDB
Tc	569.50 ± 0.50	K	NIST
Tc	569.50	K	NIST
Tc	Outlier 569.45 ± 0.05	K	NIST
Tfus	[133.88; 135.30]	K
Tfus	134.95	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	134.71	K	ChemSep v8.3 pure component data Compiled value
Tfus	134.71	K	KDB
Tfus	134.69 ± 0.50	K	NIST
Tfus	134.69 ± 0.50	K	NIST
Tfus	134.09 ± 0.20	K	NIST
Tfus	134.09 ± 0.20	K	NIST
Tfus	134.71 ± 0.03	K	NIST
Tfus	134.69 ± 0.06	K	NIST
Tfus	134.70 ± 0.05	K	NIST
Tfus	134.69 ± 0.05	K	NIST
Tfus	134.35 ± 0.30	K	NIST
Tfus	134.35 ± 0.30	K	NIST
Tfus	133.88 ± 0.20	K	NIST
Tfus	134.69 ± 0.05	K	NIST
Tfus	134.71 ± 0.04	K	NIST
Tfus	133.88 ± 0.20	K	NIST
Tfus	133.88 ± 0.50	K	NIST
Tfus	134.35 ± 0.20	K	NIST
Tfus	135.30 ± 0.40	K	NIST
Tfus	135.25 ± 0.40	K	NIST
Tfus	135.30 ± 0.40	K	NIST
Ttriple	[134.02; 134.73]	K
Ttriple	134.71	K	ChemSep v8.3 pure component data Compiled value
Ttriple	134.03 ± 0.07	K	NIST
Ttriple	134.73 ± 0.07	K	NIST
Ttriple	134.73 ± 0.05	K	NIST
Ttriple	134.02 ± 0.02	K	NIST
Ttriple	134.72 ± 0.02	K	NIST
Ttriple	134.02 ± 0.10	K	NIST
Ttriple	134.72 ± 0.06	K	NIST
UQi	3.78		ChemSep v8.3 pure component data Compiled value
URi	4.72		ChemSep v8.3 pure component data Compiled value
Vc	[0.375; 0.375]	m3/kmol
Vc	0.375	m3/kmol	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Vc	0.375	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Vc	0.375	m3/kmol	ChemSep v8.3 pure component data Compiled value
Vc	0.375	m3/kmol	KDB
Vc	0.375	m3/kmol	NIST
Zc	[0.2690000; 0.2692650]
Zc	0.2690000		IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 Compiled value
Zc	0.2690000		ChemSep v8.3 pure component data Compiled value
Zc	0.2692650		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	187.61	J/mol×K	301.83	NIST
Csat	[146.90; 186.90]	J/mol×K	[140.00; 300.00]
Csat	146.90	J/mol×K	140.00	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
Csat	147.40	J/mol×K	150.00	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
Csat	148.20	J/mol×K	160.00	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
Csat	149.30	J/mol×K	170.00	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
Csat	150.80	J/mol×K	180.00	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
Csat	152.50	J/mol×K	190.00	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
Csat	154.40	J/mol×K	200.00	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
Csat	156.60	J/mol×K	210.00	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
Csat	159.10	J/mol×K	220.00	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
Csat	161.80	J/mol×K	230.00	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
Csat	164.80	J/mol×K	240.00	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
Csat	168.00	J/mol×K	250.00	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
Csat	171.40	J/mol×K	260.00	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
Csat	175.00	J/mol×K	270.00	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
Csat	176.10	J/mol×K	273.15	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
Csat	178.80	J/mol×K	280.00	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
Csat	182.70	J/mol×K	290.00	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
Csat	186.10	J/mol×K	298.15	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
Csat	186.90	J/mol×K	300.00	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
ΔfusH	[6.86; 6.87]	kJ/mol	[134.70; 134.70]
ΔfusH	6.86	kJ/mol	134.70	NIST
ΔfusH	6.87	kJ/mol	134.70	NIST
ΔvapH	[31.90; 35.70]	kJ/mol	[313.00; 534.00]
ΔvapH	35.60 ± 0.10	kJ/mol	313.00	NIST
ΔvapH	34.80 ± 0.10	kJ/mol	328.00	NIST
ΔvapH	35.70	kJ/mol	339.50	NIST
ΔvapH	33.90 ± 0.10	kJ/mol	343.00	NIST
ΔvapH	35.50	kJ/mol	347.50	NIST
ΔvapH	33.00 ± 0.10	kJ/mol	358.00	NIST
ΔvapH	32.50 ± 0.10	kJ/mol	368.00	NIST
ΔvapH	32.28	kJ/mol	376.60	KDB
ΔvapH	31.96	kJ/mol	376.60	NIST
ΔvapH	32.90	kJ/mol	446.50	NIST
ΔvapH	31.90	kJ/mol	534.00	NIST
n0	1.41730		298.15	KDB
ρl	771.00	kg/m3	289.00	KDB
γ	0.02	N/m	293.20	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[86.80; 415.47]	J/mol×K	[200.00; 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			6.13520e+01
Coefficient B			-6.23480e+02
Coefficient C			6.36724e+00
Coefficient D			-6.86130e-05
Coefficient E			9.30890e-09
Temperature range, min.			200.00
Temperature range, max.			1500.00
Cp,gas	86.80	J/mol×K	200.00	Calculated Property
Cp,gas	154.54	J/mol×K	344.44	Calculated Property
Cp,gas	219.04	J/mol×K	488.89	Calculated Property
Cp,gas	270.51	J/mol×K	633.33	Calculated Property
Cp,gas	310.46	J/mol×K	777.78	Calculated Property
Cp,gas	341.64	J/mol×K	922.22	Calculated Property
Cp,gas	366.30	J/mol×K	1066.67	Calculated Property
Cp,gas	386.08	J/mol×K	1211.11	Calculated Property
Cp,gas	402.19	J/mol×K	1355.56	Calculated Property
Cp,gas	415.47	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[146.80; 187.61]	J/mol×K	[134.71; 301.82]	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			1.28880e+02
Coefficient B			4.03430e+02
Coefficient C			-3.75106e+00
Coefficient D			3.15070e-02
Coefficient E			-3.31760e-05
Temperature range, min.			134.71
Temperature range, max.			301.82
Cp,liquid	146.80	J/mol×K	134.71	Calculated Property
Cp,liquid	147.62	J/mol×K	153.28	Calculated Property
Cp,liquid	149.60	J/mol×K	171.85	Calculated Property
Cp,liquid	152.55	J/mol×K	190.41	Calculated Property
Cp,liquid	156.40	J/mol×K	208.98	Calculated Property
Cp,liquid	161.13	J/mol×K	227.55	Calculated Property
Cp,liquid	166.70	J/mol×K	246.12	Calculated Property
Cp,liquid	173.06	J/mol×K	264.68	Calculated Property
Cp,liquid	180.09	J/mol×K	283.25	Calculated Property
Cp,liquid	187.61	J/mol×K	301.82	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0009601; 0.0001624]	Pa×s	[253.15; 455.60]	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			-3.61050e+00
Coefficient B			7.09690e+02
Coefficient C			-1.12000e+00
Coefficient D			8.83280e-07
Coefficient E			2.00000e+00
Temperature range, min.			253.15
Temperature range, max.			455.60
η	0.0009601	Pa×s	253.15	Calculated Property
η	0.0007016	Pa×s	275.64	Calculated Property
η	0.0005352	Pa×s	298.14	Calculated Property
η	0.0004226	Pa×s	320.63	Calculated Property
η	0.0003433	Pa×s	343.13	Calculated Property
η	0.0002855	Pa×s	365.62	Calculated Property
η	0.0002422	Pa×s	388.12	Calculated Property
η	0.0002090	Pa×s	410.61	Calculated Property
η	0.0001831	Pa×s	433.11	Calculated Property
η	0.0001624	Pa×s	455.60	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[47.12; 14.24]	kJ/mol	[134.71; 546.62]	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			5.78221e+01
Coefficient B			8.56257e-01
Coefficient C			-3.38119e-01
Coefficient D			-3.91894e-01
Coefficient E			2.99953e-01
Critical temperature, Tc (K)			5.69500e+02
Temperature range, min.			134.71
Temperature range, max.			546.62
ΔvapH	47.12	kJ/mol	134.71	Calculated Property
ΔvapH	43.96	kJ/mol	180.48	Calculated Property
ΔvapH	41.00	kJ/mol	226.25	Calculated Property
ΔvapH	38.21	kJ/mol	272.01	Calculated Property
ΔvapH	35.50	kJ/mol	317.78	Calculated Property
ΔvapH	32.76	kJ/mol	363.55	Calculated Property
ΔvapH	29.82	kJ/mol	409.32	Calculated Property
ΔvapH	26.38	kJ/mol	455.08	Calculated Property
ΔvapH	21.86	kJ/mol	500.85	Calculated Property
ΔvapH	14.24	kJ/mol	546.62	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.67]	kPa	[271.79; 402.74]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.43149e+01
Coefficient B			-3.29180e+03
Coefficient C			-3.71200e+01
Temperature range, min.			271.79
Temperature range, max.			402.74
Pvap	1.33	kPa	271.79	Calculated Property
Pvap	3.02	kPa	286.34	Calculated Property
Pvap	6.27	kPa	300.89	Calculated Property
Pvap	12.03	kPa	315.44	Calculated Property
Pvap	21.65	kPa	329.99	Calculated Property
Pvap	36.86	kPa	344.54	Calculated Property
Pvap	59.80	kPa	359.09	Calculated Property
Pvap	93.04	kPa	373.64	Calculated Property
Pvap	139.55	kPa	388.19	Calculated Property
Pvap	202.67	kPa	402.74	Calculated Property
Pvap	[1.87e-09; 3406.50]	kPa	[134.71; 569.50]	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			8.88612e+01
Coefficient B			-7.36640e+03
Coefficient C			-1.10990e+01
Coefficient D			8.10140e-06
Coefficient E			2.00000e+00
Temperature range, min.			134.71
Temperature range, max.			569.50
Pvap	1.87e-09	kPa	134.71	Calculated Property
Pvap	1.31e-04	kPa	183.02	Calculated Property
Pvap	0.05	kPa	231.33	Calculated Property
Pvap	1.87	kPa	279.64	Calculated Property
Pvap	19.60	kPa	327.95	Calculated Property
Pvap	100.49	kPa	376.26	Calculated Property
Pvap	333.77	kPa	424.57	Calculated Property
Pvap	843.98	kPa	472.88	Calculated Property
Pvap	1792.69	kPa	521.19	Calculated Property
Pvap	3406.50	kPa	569.50	Calculated Property
Pvap	[3.71e-09; 3377.64]	kPa	[134.71; 569.52]	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			8.15619e+01
Coefficient B			-7.00763e+03
Coefficient C			-1.00117e+01
Coefficient D			7.36714e-06
Coefficient E			0.00000e+00
Temperature range, min.			134.71
Temperature range, max.			569.52
Pvap	3.71e-09	kPa	134.71	Calculated Property
Pvap	1.77e-04	kPa	183.02	Calculated Property
Pvap	0.06	kPa	231.33	Calculated Property
Pvap	1.97	kPa	279.65	Calculated Property
Pvap	19.89	kPa	327.96	Calculated Property
Pvap	100.35	kPa	376.27	Calculated Property
Pvap	331.45	kPa	424.58	Calculated Property
Pvap	837.27	kPa	472.90	Calculated Property
Pvap	1778.76	kPa	521.21	Calculated Property
Pvap	3377.64	kPa	569.52	Calculated Property
Pvap	[6.40; 104.02]	kPa	[301.93; 377.54]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.38681e+01
Coefficient B			-3.00488e+03
Coefficient C			-5.17550e+01
Reference			Forziati, Norris, et al., 1949, 2
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			301.93
Temperature range, max.			377.54
Pvap	6.40	kPa	301.93	Calculated Property
Pvap	9.46	kPa	310.33	Calculated Property
Pvap	13.64	kPa	318.73	Calculated Property
Pvap	19.23	kPa	327.13	Calculated Property
Pvap	26.56	kPa	335.53	Calculated Property
Pvap	36.01	kPa	343.94	Calculated Property
Pvap	48.00	kPa	352.34	Calculated Property
Pvap	62.99	kPa	360.74	Calculated Property
Pvap	81.49	kPa	369.14	Calculated Property
Pvap	104.02	kPa	377.54	Calculated Property
Pvap	[6.40; 104.02]	kPa	[301.93; 377.54]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.38681e+01
Coefficient B			-3.00488e+03
Coefficient C			-5.17550e+01
Reference			Forziati, Norris, et al., 1949
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			301.93
Temperature range, max.			377.54
Pvap	6.40	kPa	301.93	Calculated Property
Pvap	9.46	kPa	310.33	Calculated Property
Pvap	13.64	kPa	318.73	Calculated Property
Pvap	19.23	kPa	327.13	Calculated Property
Pvap	26.56	kPa	335.53	Calculated Property
Pvap	36.01	kPa	343.94	Calculated Property
Pvap	48.00	kPa	352.34	Calculated Property
Pvap	62.99	kPa	360.74	Calculated Property
Pvap	81.49	kPa	369.14	Calculated Property
Pvap	104.02	kPa	377.54	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[885.48; 448.78]	kg/m3	[134.71; 546.62]	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			7.09483e+01
Coefficient B			2.69960e-01
Coefficient C			5.69500e+02
Coefficient D			2.78400e-01
Temperature range, min.			134.71
Temperature range, max.			546.62
ρl	885.48	kg/m3	134.71	Calculated Property
ρl	853.28	kg/m3	180.48	Calculated Property
ρl	819.55	kg/m3	226.25	Calculated Property
ρl	783.95	kg/m3	272.01	Calculated Property
ρl	745.96	kg/m3	317.78	Calculated Property
ρl	704.85	kg/m3	363.55	Calculated Property
ρl	659.39	kg/m3	409.32	Calculated Property
ρl	607.32	kg/m3	455.08	Calculated Property
ρl	543.49	kg/m3	500.85	Calculated Property
ρl	448.78	kg/m3	546.62	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.04; 0.00]	N/m	[134.71; 546.62]	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			-1.64250e-02
Coefficient B			1.05980e+01
Coefficient C			-2.78620e+00
Coefficient D			-6.96950e-04
Coefficient E			-2.99320e-06
Temperature range, min.			134.71
Temperature range, max.			546.62
γ	0.04	N/m	134.71	Calculated Property
γ	0.04	N/m	180.48	Calculated Property
γ	0.03	N/m	226.25	Calculated Property
γ	0.03	N/m	272.01	Calculated Property
γ	0.02	N/m	317.78	Calculated Property
γ	0.02	N/m	363.55	Calculated Property
γ	0.01	N/m	409.32	Calculated Property
γ	0.01	N/m	455.08	Calculated Property
γ	0.00	N/m	500.85	Calculated Property
γ	0.00	N/m	546.62	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λgas	[0.00; 0.10]	W/m×K	[134.71; 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			4.79810e-03
Coefficient B			5.29480e-01
Coefficient C			3.35740e+02
Coefficient D			5.90020e+05
Temperature range, min.			134.71
Temperature range, max.			1000.00
λgas	0.00	W/m×K	134.71	Calculated Property
λgas	0.01	W/m×K	230.85	Calculated Property
λgas	0.01	W/m×K	327.00	Calculated Property
λgas	0.02	W/m×K	423.14	Calculated Property
λgas	0.03	W/m×K	519.28	Calculated Property
λgas	0.05	W/m×K	615.43	Calculated Property
λgas	0.06	W/m×K	711.57	Calculated Property
λgas	0.07	W/m×K	807.71	Calculated Property
λgas	0.08	W/m×K	903.86	Calculated Property
λgas	0.10	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λliquid	[0.15; 0.10]	W/m×K	[134.71; 376.62]	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			-1.99320e-02
Coefficient B			6.51000e+00
Coefficient C			-1.71140e+00
Coefficient D			-4.14800e-04
Coefficient E			-1.96290e-06
Temperature range, min.			134.71
Temperature range, max.			376.62
λliquid	0.15	W/m×K	134.71	Calculated Property
λliquid	0.15	W/m×K	161.59	Calculated Property
λliquid	0.14	W/m×K	188.47	Calculated Property
λliquid	0.14	W/m×K	215.35	Calculated Property
λliquid	0.13	W/m×K	242.23	Calculated Property
λliquid	0.12	W/m×K	269.10	Calculated Property
λliquid	0.12	W/m×K	295.98	Calculated Property
λliquid	0.11	W/m×K	322.86	Calculated Property
λliquid	0.11	W/m×K	349.74	Calculated Property
λliquid	0.10	W/m×K	376.62	Calculated Property

Similar Compounds

Find more compounds similar to Cyclopentane, ethyl-.

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).
• IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 5 ChEDL chemicals 1.5.2, from Daubert, T. E. Vapor-Liquid Critical Properties of Elements and Compounds. 5. Branched Alkanes and Cycloalkanes. J. Chem. Eng. Data 1996, 41, 365-372.
• Passut and Danner (1973), critical constants and acentric factors ChEDL chemicals 1.5.2, from Passut, C. A.; Danner, R. P. Acentric Factor. A Valuable Correlating Parameter for the Properties of Hydrocarbons. Ind. Eng. Chem. Process Des. Dev. 1973, 12, 365-368.
• 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
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure
• 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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