Chemical Properties of Cyclopentene, 1,5-dimethyl- (CAS 16491-15-9)

InChI

InChI=1S/C7H12/c1-6-4-3-5-7(6)2/h4,7H,3,5H2,1-2H3

InChI Key

RIICRLQIUAAOOE-UHFFFAOYSA-N

Formula

C7H12

SMILES

CC1=CCCC1C

Molecular Weight¹

96.17

CAS

16491-15-9

Other Names

• 1,2-DIMETHYL-2-CYCLOPENTENE
• 1,5-DIMETHYLCYCLOPENTENE
• 2,3-DIMETHYLCYCLOPENTENE

• C_p,gas : Ideal gas 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• 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_vap : Vapor pressure (kPa).
• I_np : Non-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
ΔfG°	64.94	kJ/mol	Joback Calculated Property
ΔfH°gas	-81.02	kJ/mol	Joback Calculated Property
ΔfusH°	8.65	kJ/mol	Joback Calculated Property
ΔvapH°	32.39	kJ/mol	Joback Calculated Property
log10WS	-2.26		Crippen Calculated Property
logPoct/wat	2.363		Crippen Calculated Property
McVol	94.330	ml/mol	McGowan Calculated Property
Pc	3505.43	kPa	Joback Calculated Property
Inp	[697.00; 706.00]
Inp	706.00		NIST
Inp	697.00		NIST
Inp	697.00		NIST
Tboil	[365.70; 375.20]	K
Tboil	368.64	K	KDB
Tboil	375.20	K	NIST
Tboil	365.70 ± 3.00	K	NIST
Tboil	368.90 ± 3.00	K	NIST
Tc	576.72	K	Joback Calculated Property
Tfus	154.70 ± 0.50	K	NIST
Vc	0.354	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[164.57; 236.05]	J/mol×K	[378.98; 576.72]
Cp,gas	164.57	J/mol×K	378.98	Joback Calculated Property
Cp,gas	178.00	J/mol×K	411.94	Joback Calculated Property
Cp,gas	190.80	J/mol×K	444.89	Joback Calculated Property
Cp,gas	202.99	J/mol×K	477.85	Joback Calculated Property
Cp,gas	214.58	J/mol×K	510.81	Joback Calculated Property
Cp,gas	225.59	J/mol×K	543.77	Joback Calculated Property
Cp,gas	236.05	J/mol×K	576.72	Joback Calculated Property
η	[0.0002552; 0.0016528]	Pa×s	[192.83; 378.98]
η	0.0016528	Pa×s	192.83	Joback Calculated Property
η	0.0009756	Pa×s	223.85	Joback Calculated Property
η	0.0006547	Pa×s	254.88	Joback Calculated Property
η	0.0004791	Pa×s	285.90	Joback Calculated Property
η	0.0003727	Pa×s	316.93	Joback Calculated Property
η	0.0003032	Pa×s	347.96	Joback Calculated Property
η	0.0002552	Pa×s	378.98	Joback Calculated Property
ΔvapH	37.10	kJ/mol	348.00	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[272.26; 401.36]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.38619e+01
Coefficient B			-2.98264e+03
Coefficient C			-5.25280e+01
Temperature range, min.			272.26
Temperature range, max.			401.36
Pvap	1.33	kPa	272.26	Calculated Property
Pvap	3.06	kPa	286.60	Calculated Property
Pvap	6.39	kPa	300.95	Calculated Property
Pvap	12.32	kPa	315.29	Calculated Property
Pvap	22.16	kPa	329.64	Calculated Property
Pvap	37.65	kPa	343.98	Calculated Property
Pvap	60.84	kPa	358.33	Calculated Property
Pvap	94.19	kPa	372.67	Calculated Property
Pvap	140.45	kPa	387.02	Calculated Property
Pvap	202.66	kPa	401.36	Calculated Property

Similar Compounds

Find more compounds similar to Cyclopentene, 1,5-dimethyl-.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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