Chemical Properties of Octadecane, 5,14-dibutyl- (CAS 55282-13-8)

InChI

InChI=1S/C26H54/c1-5-9-19-25(20-10-6-2)23-17-15-13-14-16-18-24-26(21-11-7-3)22-12-8-4/h25-26H,5-24H2,1-4H3

InChI Key

VZZCEMBCJSFMMD-UHFFFAOYSA-N

Formula

C26H54

SMILES

CCCCC(CCCC)CCCCCCCCC(CCCC)CCCC

Molecular Weight¹

366.71

CAS

55282-13-8

Other Names

• 5,14-Di-n-butyloctadecane
• 5,14-Dibutyloctadecane

• 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).
• 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°	163.16	kJ/mol	Joback Calculated Property
ΔfH°gas	-590.53	kJ/mol	Joback Calculated Property
ΔfusH°	56.05	kJ/mol	Joback Calculated Property
ΔvapH°	72.69	kJ/mol	Joback Calculated Property
log10WS	-10.22		Crippen Calculated Property
logPoct/wat	10.100		Crippen Calculated Property
McVol	377.200	ml/mol	McGowan Calculated Property
Pc	731.25	kPa	Joback Calculated Property
Tboil	793.40	K	Joback Calculated Property
Tc	971.62	K	Joback Calculated Property
Tfus	[278.85; 278.90]	K
Tfus	278.85	K	NIST
Tfus	278.90 ± 0.50	K	NIST
Tfus	278.90 ± 2.00	K	NIST
Tfus	278.90 ± 0.50	K	NIST
Vc	1.480	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[1217.07; 1344.80]	J/mol×K	[793.40; 971.62]
Cp,gas	1217.07	J/mol×K	793.40	Joback Calculated Property
Cp,gas	1241.13	J/mol×K	823.10	Joback Calculated Property
Cp,gas	1264.02	J/mol×K	852.81	Joback Calculated Property
Cp,gas	1285.78	J/mol×K	882.51	Joback Calculated Property
Cp,gas	1306.47	J/mol×K	912.22	Joback Calculated Property
Cp,gas	1326.13	J/mol×K	941.92	Joback Calculated Property
Cp,gas	1344.80	J/mol×K	971.62	Joback Calculated Property
η	[0.0000369; 0.0031975]	Pa×s	[352.78; 793.40]
η	0.0031975	Pa×s	352.78	Joback Calculated Property
η	0.0008010	Pa×s	426.22	Joback Calculated Property
η	0.0003014	Pa×s	499.65	Joback Calculated Property
η	0.0001457	Pa×s	573.09	Joback Calculated Property
η	0.0000831	Pa×s	646.53	Joback Calculated Property
η	0.0000531	Pa×s	719.96	Joback Calculated Property
η	0.0000369	Pa×s	793.40	Joback Calculated Property
ΔvapH	89.30	kJ/mol	483.00	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[524.00; 702.77]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.63784e+01
Coefficient B			-6.33671e+03
Coefficient C			-1.30190e+02
Temperature range, min.			524.00
Temperature range, max.			702.77
Pvap	1.33	kPa	524.00	Calculated Property
Pvap	2.89	kPa	543.86	Calculated Property
Pvap	5.82	kPa	563.73	Calculated Property
Pvap	11.05	kPa	583.59	Calculated Property
Pvap	19.87	kPa	603.45	Calculated Property
Pvap	34.07	kPa	623.32	Calculated Property
Pvap	56.03	kPa	643.18	Calculated Property
Pvap	88.80	kPa	663.04	Calculated Property
Pvap	136.15	kPa	682.91	Calculated Property
Pvap	202.64	kPa	702.77	Calculated Property

Similar Compounds

Find more compounds similar to Octadecane, 5,14-dibutyl-.

Sources

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

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