2-Pentene (CAS 109-68-2)

InChI

InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3

InChI Key

QMMOXUPEWRXHJS-UHFFFAOYSA-N

Formula

C5H10

SMILES

CC=CCC

Molecular Weight¹

70.13

CAS

109-68-2

Other Names

2-Pentene,c&t
3-Pentene
CH3CH=CHC2H5
Methylethylethylene
Pent-2-ene
s-Methylethylethylene
sym-Methylethylethylene
«beta»-n-Amylene

ω : Acentric Factor.
C_p,gas : Ideal gas heat capacity (J/mol×K).
C_p,liquid : Liquid 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_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
IE : Ionization energy (eV).
logP_oct/wat : Octanol/Water partition coefficient.
McVol : McGowan's characteristic volume (ml/mol).
P_c : Critical Pressure (kPa).
P_vap : Vapor pressure (kPa).
I_np : Non-polar retention indices.
I_p : Polar retention indices.
T_boil : Normal Boiling Point Temperature (K).
T_c : Critical Temperature (K).
T_fus : Normal melting (fusion) point (K).
V_c : Critical Volume (m³/kmol).
¹: Molecular weight from the IUPAC atomic weights tables.

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Physical Properties

Property	Value	Unit	Source
ω	0.2109		Relay (1.0) Calculated Property
Δ_fG°	71.44	kJ/mol	Joback Calculated Property
Δ_fH°_gas	-40.66	kJ/mol	Relay (1.0) Calculated Property
Δ_fusH°	8.91	kJ/mol	Joback Calculated Property
Δ_vapH°	26.50	kJ/mol	Relay (1.0) Calculated Property
IE	9.02	eV	Relay (1.0) Calculated Property
logP_oct/wat	1.973		Crippen Calculated Property
McVol	77.010	ml/mol	McGowan Calculated Property
P_c	3690.97	kPa	Joback Calculated Property
I_np	[503.00; 522.00]
I_np	503.00		NIST
I_np	522.00		NIST
I_np	503.00		NIST
I_p	[522.00; 558.00]
I_p	522.00		NIST
I_p	558.00		NIST
I_p	522.00		NIST
T_boil	[309.30; 310.20]	K
T_boil	Outlier 310.20	K	NIST
T_boil	309.70 ± 2.00	K	NIST
T_boil	309.70 ± 1.00	K	NIST
T_boil	309.60 ± 0.40	K	NIST
T_boil	309.60 ± 0.20	K	NIST
T_boil	309.85 ± 0.30	K	NIST
T_boil	309.30 ± 1.00	K	NIST
T_boil	309.65 ± 2.00	K	NIST
T_boil	309.55 ± 0.30	K	NIST
T_boil	309.50 ± 0.60	K	NIST
T_boil	309.55 ± 0.15	K	NIST
T_boil	309.70 ± 1.50	K	NIST
T_boil	309.60 ± 1.00	K	NIST
T_boil	310.00 ± 3.00	K	NIST
T_c	475.98	K	Relay (1.0) Calculated Property
T_fus	[126.00; 135.00]	K
T_fus	135.00 ± 3.00	K	NIST
T_fus	126.00 ± 2.00	K	NIST
V_c	0.298	m³/kmol	Relay (1.0) Calculated Property

Cheméo can also estimate Log10 of Water solubility in mol/l for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
C_p,liquid	[128.00; 195.80]	J/mol×K	[140.00; 310.00]

C_p,liquid	128.00	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
C_p,liquid	129.00	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
C_p,liquid	129.00	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
C_p,liquid	130.00	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
C_p,liquid	131.00	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
C_p,liquid	132.00	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
C_p,liquid	134.00	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
C_p,liquid	135.00	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
C_p,liquid	137.00	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
C_p,liquid	138.00	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
C_p,liquid	140.00	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
C_p,liquid	143.00	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
C_p,liquid	145.00	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
C_p,liquid	147.00	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
C_p,liquid	148.00	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
C_p,liquid	150.00	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
C_p,liquid	151.13	J/mol×K	289.10	NIST
C_p,liquid	153.00	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
C_p,liquid	195.80	J/mol×K	298.00	NIST
C_p,liquid	155.00	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
C_p,liquid	155.00	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
C_p,liquid	158.00	J/mol×K	310.00	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

Correlations

Property	Value	Unit	Temperature (K)	Source
C_p,gas	[97.55; 246.70]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is C_p,gas in J/mol×K, T in K
Coefficient A			-1.58390e+01
Coefficient B			4.98840e-01
Coefficient C			-3.32000e-04
Coefficient D			9.57000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00

C_p,gas	97.55	J/mol×K	273.00	Calculated Property
C_p,gas	123.32	J/mol×K	353.78	Calculated Property
C_p,gas	146.09	J/mol×K	434.56	Calculated Property
C_p,gas	166.16	J/mol×K	515.33	Calculated Property
C_p,gas	183.82	J/mol×K	596.11	Calculated Property
C_p,gas	199.38	J/mol×K	676.89	Calculated Property
C_p,gas	213.15	J/mol×K	757.67	Calculated Property
C_p,gas	225.43	J/mol×K	838.44	Calculated Property
C_p,gas	236.51	J/mol×K	919.22	Calculated Property
C_p,gas	246.70	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0051532; 0.0001412]	Pa×s	[130.50; 343.14]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.10726e+01
Coefficient B			7.57480e+02
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			130.50
Temperature range, max.			343.14

η	0.0051532	Pa×s	130.50	Calculated Property
η	0.0021166	Pa×s	154.13	Calculated Property
η	0.0011014	Pa×s	177.75	Calculated Property
η	0.0006680	Pa×s	201.38	Calculated Property
η	0.0004501	Pa×s	225.01	Calculated Property
η	0.0003268	Pa×s	248.64	Calculated Property
η	0.0002509	Pa×s	272.26	Calculated Property
η	0.0002009	Pa×s	295.89	Calculated Property
η	0.0001663	Pa×s	319.52	Calculated Property
η	0.0001412	Pa×s	343.14	Calculated Property

Property	Value	Unit	Temperature (K)	Source
P_vap	[1.33; 202.65]	kPa	[222.86; 331.27]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is P_vap in kPa, T in K
Coefficient A			1.44152e+01
Coefficient B			-2.77533e+03
Coefficient C			-2.64130e+01
Temperature range, min.			222.86
Temperature range, max.			331.27

P_vap	1.33	kPa	222.86	Calculated Property
P_vap	3.02	kPa	234.91	Calculated Property
P_vap	6.24	kPa	246.95	Calculated Property
P_vap	11.97	kPa	259.00	Calculated Property
P_vap	21.55	kPa	271.04	Calculated Property
P_vap	36.69	kPa	283.09	Calculated Property
P_vap	59.58	kPa	295.13	Calculated Property
P_vap	92.79	kPa	307.18	Calculated Property
P_vap	139.35	kPa	319.22	Calculated Property
P_vap	202.65	kPa	331.27	Calculated Property

Similar Compounds

Find more compounds similar to 2-Pentene.

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Chemical Properties of 2-Pentene (CAS 109-68-2)

Physical Properties

Temperature Dependent Properties

Correlations

Similar Compounds

Sources