Chemical Properties of Heptane, 4-methylene- (CAS 15918-08-8)

InChI

InChI=1S/C8H16/c1-4-6-8(3)7-5-2/h3-7H2,1-2H3

InChI Key

FYUUBXZYRPRIHC-UHFFFAOYSA-N

Formula

C8H16

SMILES

C=C(CCC)CCC

Molecular Weight¹

112.21

CAS

15918-08-8

Other Names

• 1-Pentene, 2-propyl-
• 2-Propyl-1-pentene
• 2-Propylpent-1-ene

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• 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).
• 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°	95.77	kJ/mol	Joback Calculated Property
ΔfH°gas	-92.81	kJ/mol	Joback Calculated Property
ΔfusH°	13.89	kJ/mol	Joback Calculated Property
ΔvapH°	39.30	kJ/mol	NIST
log10WS	-3.02		Crippen Calculated Property
logPoct/wat	3.143		Crippen Calculated Property
McVol	119.280	ml/mol	McGowan Calculated Property
Pc	2659.77	kPa	Joback Calculated Property
Inp	[768.00; 778.00]
Inp	778.00		NIST
Inp	769.00		NIST
Inp	768.00		NIST
Inp	778.00		NIST
Inp	778.00		NIST
Inp	778.00		NIST
Inp	778.00		NIST
Tboil	379.00	K	Joback Calculated Property
Tc	549.05	K	Joback Calculated Property
Tfus	164.20	K	Joback Calculated Property
Vc	0.466	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[217.72; 286.75]	J/mol×K	[379.00; 549.05]
Cp,gas	217.72	J/mol×K	379.00	Joback Calculated Property
Cp,gas	230.42	J/mol×K	407.34	Joback Calculated Property
Cp,gas	242.63	J/mol×K	435.68	Joback Calculated Property
Cp,gas	254.35	J/mol×K	464.02	Joback Calculated Property
Cp,gas	265.60	J/mol×K	492.37	Joback Calculated Property
Cp,gas	276.40	J/mol×K	520.71	Joback Calculated Property
Cp,gas	286.75	J/mol×K	549.05	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[284.75; 420.73]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.40452e+01
Coefficient B			-3.25219e+03
Coefficient C			-4.83620e+01
Temperature range, min.			284.75
Temperature range, max.			420.73
Pvap	1.33	kPa	284.75	Calculated Property
Pvap	3.05	kPa	299.86	Calculated Property
Pvap	6.34	kPa	314.97	Calculated Property
Pvap	12.19	kPa	330.08	Calculated Property
Pvap	21.95	kPa	345.19	Calculated Property
Pvap	37.31	kPa	360.29	Calculated Property
Pvap	60.40	kPa	375.40	Calculated Property
Pvap	93.69	kPa	390.51	Calculated Property
Pvap	140.05	kPa	405.62	Calculated Property
Pvap	202.63	kPa	420.73	Calculated Property

Similar Compounds

Find more compounds similar to Heptane, 4-methylene-.

Sources

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

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