Chemical Properties of Cyclooctene (CAS 931-88-4)

InChI

InChI=1S/C8H14/c1-2-4-6-8-7-5-3-1/h1-2H,3-8H2

InChI Key

URYYVOIYTNXXBN-UHFFFAOYSA-N

Formula

C8H14

SMILES

C1=CCCCCCC1

Molecular Weight¹

110.20

CAS

931-88-4

Other Names

• (Z)-Cyclooctene

• 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_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).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfG°	54.40	kJ/mol	Joback Calculated Property
ΔfH°gas	-88.33	kJ/mol	Joback Calculated Property
ΔfusH°	4.26	kJ/mol	Joback Calculated Property
ΔvapH°	34.78	kJ/mol	Joback Calculated Property
IE	[8.80; 9.02]	eV
IE	8.80	eV	NIST
IE	9.02	eV	NIST
log10WS	-2.92		Crippen Calculated Property
logPoct/wat	2.897		Crippen Calculated Property
McVol	108.420	ml/mol	McGowan Calculated Property
Pc	3620.24	kPa	Joback Calculated Property
Inp	[875.00; 945.00]
Inp	922.00		NIST
Inp	900.00		NIST
Inp	905.00		NIST
Inp	913.00		NIST
Inp	875.00		NIST
Inp	884.00		NIST
Inp	892.00		NIST
Inp	895.00		NIST
Inp	900.00		NIST
Inp	904.00		NIST
Inp	931.00		NIST
Inp	875.00		NIST
Inp	884.00		NIST
Inp	892.00		NIST
Inp	900.00		NIST
Inp	Outlier 945.00		NIST
Inp	888.00		NIST
Inp	910.00		NIST
Inp	889.00		NIST
Inp	899.00		NIST
Inp	Outlier 945.00		NIST
Inp	900.00		NIST
Inp	910.00		NIST
Inp	888.00		NIST
I	[955.00; 1035.00]
I	955.00		NIST
I	1035.00		NIST
S°liquid	254.50	J/mol×K	NIST
Tboil	414.36	K	Joback Calculated Property
Tc	635.63	K	Joback Calculated Property
Tfus	185.26	K	Joback Calculated Property
Ttriple	259.15 ± 0.02	K	NIST
Vc	0.388	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[197.28; 292.07]	J/mol×K	[414.36; 635.63]
T(K) Ideal gas heat capacity (J/mol×K) 200 220 240 260 280 300 450 500 550 600
Cp,gas	197.28	J/mol×K	414.36	Joback Calculated Property
Cp,gas	215.41	J/mol×K	451.24	Joback Calculated Property
Cp,gas	232.58	J/mol×K	488.12	Joback Calculated Property
Cp,gas	248.81	J/mol×K	524.99	Joback Calculated Property
Cp,gas	264.12	J/mol×K	561.87	Joback Calculated Property
Cp,gas	278.54	J/mol×K	598.75	Joback Calculated Property
Cp,gas	292.07	J/mol×K	635.63	Joback Calculated Property
Cp,liquid	207.80	J/mol×K	298.15	NIST
η	[0.0002186; 0.0426132]	Pa×s	[185.26; 414.36]
T(K) Dynamic viscosity (Pa×s) 0 0.01 0.02 0.03 0.04 200 300 400
η	0.0426132	Pa×s	185.26	Joback Calculated Property
η	0.0083526	Pa×s	223.44	Joback Calculated Property
η	0.0026344	Pa×s	261.63	Joback Calculated Property
η	0.0011148	Pa×s	299.81	Joback Calculated Property
η	0.0005729	Pa×s	337.99	Joback Calculated Property
η	0.0003370	Pa×s	376.18	Joback Calculated Property
η	0.0002186	Pa×s	414.36	Joback Calculated Property
ΔfusH	[1.81; 9.80]	kJ/mol	[190.10; 259.20]
ΔfusH	9.80	kJ/mol	190.10	NIST
ΔfusH	1.81	kJ/mol	259.20	NIST
ΔfusH	1.81	kJ/mol	259.20	NIST
ΔvapH	[41.60; 42.00]	kJ/mol	[303.00; 342.00]
ΔvapH	41.60	kJ/mol	303.00	NIST
ΔvapH	42.00	kJ/mol	342.00	NIST
ΔfusS	[6.98; 51.55]	J/mol×K	[190.10; 259.20]
ΔfusS	51.55	J/mol×K	190.10	NIST
ΔfusS	6.98	J/mol×K	259.20	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.18; 202.65]	kPa	[273.00; 440.17]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.61864e+01
Coefficient B			-4.62219e+03
Coefficient C			-1.51380e+01
Temperature range, min.			273.00
Temperature range, max.			440.17
T(K) Vapor pressure (kPa) 0 50 100 150 200 300 350 400
Pvap	0.18	kPa	273.00	Calculated Property
Pvap	0.59	kPa	291.57	Calculated Property
Pvap	1.68	kPa	310.15	Calculated Property
Pvap	4.25	kPa	328.72	Calculated Property
Pvap	9.69	kPa	347.30	Calculated Property
Pvap	20.24	kPa	365.87	Calculated Property
Pvap	39.28	kPa	384.45	Calculated Property
Pvap	71.52	kPa	403.02	Calculated Property
Pvap	123.29	kPa	421.60	Calculated Property
Pvap	202.65	kPa	440.17	Calculated Property

Similar Compounds

Find more compounds similar to Cyclooctene.

Sources

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

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