Chemical Properties of 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 : 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.

Physical Properties

Property	Value	Unit	Source
ω	0.2109		Relay (1.0) Calculated Property
ΔfG°	71.44	kJ/mol	Joback Calculated Property
ΔfH°gas	-40.66	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	8.91	kJ/mol	Joback Calculated Property
ΔvapH°	24.28	kJ/mol	Relay (1.0) Calculated Property
IE	9.02	eV	Relay (1.0) Calculated Property
logPoct/wat	1.973		Crippen Calculated Property
McVol	77.010	ml/mol	McGowan Calculated Property
Pc	3690.97	kPa	Joback Calculated Property
Inp	[503.00; 522.00]
Inp	503.00		NIST
Inp	522.00		NIST
Inp	503.00		NIST
I	[522.00; 558.00]
I	522.00		NIST
I	558.00		NIST
I	522.00		NIST
Tboil	[309.30; 310.20]	K
Tboil	Outlier 310.20	K	NIST
Tboil	309.70 ± 2.00	K	NIST
Tboil	309.70 ± 1.00	K	NIST
Tboil	309.60 ± 0.40	K	NIST
Tboil	309.60 ± 0.20	K	NIST
Tboil	309.85 ± 0.30	K	NIST
Tboil	309.30 ± 1.00	K	NIST
Tboil	309.65 ± 2.00	K	NIST
Tboil	309.55 ± 0.30	K	NIST
Tboil	309.50 ± 0.60	K	NIST
Tboil	309.55 ± 0.15	K	NIST
Tboil	309.70 ± 1.50	K	NIST
Tboil	309.60 ± 1.00	K	NIST
Tboil	310.00 ± 3.00	K	NIST
Tc	464.81	K	Relay (1.0) Calculated Property
Tfus	[126.00; 135.00]	K
Tfus	135.00 ± 3.00	K	NIST
Tfus	126.00 ± 2.00	K	NIST
Vc	0.291	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
Cp,gas	[112.28; 160.11]	J/mol×K	[317.96; 489.90]
Cp,gas	112.28	J/mol×K	317.96	Joback Calculated Property
Cp,gas	121.16	J/mol×K	346.62	Joback Calculated Property
Cp,gas	129.66	J/mol×K	375.27	Joback Calculated Property
Cp,gas	137.80	J/mol×K	403.93	Joback Calculated Property
Cp,gas	145.57	J/mol×K	432.58	Joback Calculated Property
Cp,gas	153.01	J/mol×K	461.24	Joback Calculated Property
Cp,gas	160.11	J/mol×K	489.90	Joback Calculated Property
Cp,liquid	[128.00; 195.80]	J/mol×K	[140.00; 310.00]
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,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
Cp,liquid	151.13	J/mol×K	289.10	NIST
Cp,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
Cp,liquid	195.80	J/mol×K	298.00	NIST
Cp,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
Cp,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
Cp,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
η	[0.0001682; 0.0033409]	Pa×s	[141.03; 317.96]
η	0.0033409	Pa×s	141.03	Joback Calculated Property
η	0.0013197	Pa×s	170.52	Joback Calculated Property
η	0.0006855	Pa×s	200.01	Joback Calculated Property
η	0.0004214	Pa×s	229.50	Joback Calculated Property
η	0.0002894	Pa×s	258.98	Joback Calculated Property
η	0.0002146	Pa×s	288.47	Joback Calculated Property
η	0.0001682	Pa×s	317.96	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[222.86; 331.27]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
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
Pvap	1.33	kPa	222.86	Calculated Property
Pvap	3.02	kPa	234.91	Calculated Property
Pvap	6.24	kPa	246.95	Calculated Property
Pvap	11.97	kPa	259.00	Calculated Property
Pvap	21.55	kPa	271.04	Calculated Property
Pvap	36.69	kPa	283.09	Calculated Property
Pvap	59.58	kPa	295.13	Calculated Property
Pvap	92.79	kPa	307.18	Calculated Property
Pvap	139.35	kPa	319.22	Calculated Property
Pvap	202.65	kPa	331.27	Calculated Property

Similar Compounds

Find more compounds similar to 2-Pentene.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• 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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