Chemical Properties of 7-Methyl-3-octene (CAS 86668-33-9)

InChI

InChI=1S/C9H18/c1-4-5-6-7-8-9(2)3/h5-6,9H,4,7-8H2,1-3H3

InChI Key

PVWWZQTXWUTHQT-UHFFFAOYSA-N

Formula

C9H18

SMILES

CCC=CCCC(C)C

Molecular Weight¹

126.24

CAS

86668-33-9

• ω : Acentric Factor.
• 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).
• 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.
• 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	0.3211		Relay (1.0) Calculated Property
ΔfG°	102.68	kJ/mol	Joback Calculated Property
ΔfH°gas	-162.95	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	15.74	kJ/mol	Joback Calculated Property
ΔvapH°	40.95	kJ/mol	Relay (1.0) Calculated Property
IE	8.88	eV	Relay (1.0) Calculated Property
log10WS	-4.65		Relay (1.0) Calculated Property
logPoct/wat	3.389		Crippen Calculated Property
McVol	133.370	ml/mol	McGowan Calculated Property
Pc	2445.89	kPa	Joback Calculated Property
Inp	[861.00; 861.00]
Inp	861.00		NIST
Inp	861.00		NIST
Tboil	410.55	K	Relay (1.0) Calculated Property
Tc	569.45	K	Relay (1.0) Calculated Property
Tfus	161.04	K	Relay (1.0) Calculated Property
Vc	0.489	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[258.03; 335.48]	J/mol×K	[409.04; 584.08]
Cp,gas	258.03	J/mol×K	409.04	Joback Calculated Property
Cp,gas	272.42	J/mol×K	438.21	Joback Calculated Property
Cp,gas	286.19	J/mol×K	467.39	Joback Calculated Property
Cp,gas	299.36	J/mol×K	496.56	Joback Calculated Property
Cp,gas	311.95	J/mol×K	525.73	Joback Calculated Property
Cp,gas	323.98	J/mol×K	554.90	Joback Calculated Property
Cp,gas	335.48	J/mol×K	584.08	Joback Calculated Property
η	[0.0001936; 0.0104021]	Pa×s	[171.11; 409.04]
η	0.0104021	Pa×s	171.11	Joback Calculated Property
η	0.0028673	Pa×s	210.77	Joback Calculated Property
η	0.0011887	Pa×s	250.42	Joback Calculated Property
η	0.0006269	Pa×s	290.07	Joback Calculated Property
η	0.0003857	Pa×s	329.73	Joback Calculated Property
η	0.0002633	Pa×s	369.38	Joback Calculated Property
η	0.0001936	Pa×s	409.04	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[309.62; 444.03]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.47703e+01
Coefficient B			-3.66497e+03
Coefficient C			-5.65620e+01
Temperature range, min.			309.62
Temperature range, max.			444.03
Pvap	1.33	kPa	309.62	Calculated Property
Pvap	2.99	kPa	324.55	Calculated Property
Pvap	6.15	kPa	339.49	Calculated Property
Pvap	11.78	kPa	354.42	Calculated Property
Pvap	21.19	kPa	369.36	Calculated Property
Pvap	36.14	kPa	384.29	Calculated Property
Pvap	58.84	kPa	399.23	Calculated Property
Pvap	91.97	kPa	414.16	Calculated Property
Pvap	138.71	kPa	429.10	Calculated Property
Pvap	202.66	kPa	444.03	Calculated Property

Similar Compounds

Find more compounds similar to 7-Methyl-3-octene.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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