Chemical Properties of 11-Octadecenoic acid, (E)- (CAS 693-72-1)

InChI

InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h8-9H,2-7,10-17H2,1H3,(H,19,20)/b9-8+

InChI Key

QXJSBBXBKPUZAA-CMDGGOBGSA-N

Formula

C18H34O2

SMILES

CCCCCCCC=CCCCCCCCCC(=O)O

Molecular Weight¹

282.46

CAS

693-72-1

Other Names

• (E)-octadec-11-enoic acid
• Vaccenic acid
• trans-11-octadecenoic acid
• trans-Vaccenic acid

• 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_fusH : Enthalpy of fusion at a given temperature (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).
• 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

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[813.93; 904.67]	J/mol×K	[761.11; 943.11]
Cp,gas	813.93	J/mol×K	761.11	Joback Calculated Property
Cp,gas	830.97	J/mol×K	791.44	Joback Calculated Property
Cp,gas	847.19	J/mol×K	821.78	Joback Calculated Property
Cp,gas	862.62	J/mol×K	852.11	Joback Calculated Property
Cp,gas	877.31	J/mol×K	882.44	Joback Calculated Property
Cp,gas	891.31	J/mol×K	912.77	Joback Calculated Property
Cp,gas	904.67	J/mol×K	943.11	Joback Calculated Property
η	[0.0000740; 0.0009230]	Pa×s	[448.14; 761.11]
η	0.0009230	Pa×s	448.14	Joback Calculated Property
η	0.0004868	Pa×s	500.30	Joback Calculated Property
η	0.0002897	Pa×s	552.46	Joback Calculated Property
η	0.0001885	Pa×s	604.62	Joback Calculated Property
η	0.0001314	Pa×s	656.79	Joback Calculated Property
η	0.0000965	Pa×s	708.95	Joback Calculated Property
η	0.0000740	Pa×s	761.11	Joback Calculated Property
ΔfusH	[55.62; 58.49]	kJ/mol	[317.00; 318.00]
ΔfusH	58.49	kJ/mol	317.00	NIST
ΔfusH	55.62	kJ/mol	318.00	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.36; 203.46]	kPa	[514.15; 709.15]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.52924e+01
Coefficient B			-5.81882e+03
Coefficient C			-1.25923e+02
Temperature range, min.			514.15
Temperature range, max.			709.15
Pvap	1.36	kPa	514.15	Calculated Property
Pvap	2.99	kPa	535.82	Calculated Property
Pvap	6.11	kPa	557.48	Calculated Property
Pvap	11.63	kPa	579.15	Calculated Property
Pvap	20.90	kPa	600.82	Calculated Property
Pvap	35.66	kPa	622.48	Calculated Property
Pvap	58.21	kPa	644.15	Calculated Property
Pvap	91.35	kPa	665.82	Calculated Property
Pvap	138.45	kPa	687.48	Calculated Property
Pvap	203.46	kPa	709.15	Calculated Property

Similar Compounds

Find more compounds similar to 11-Octadecenoic acid, (E)-.

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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