Chemical Properties of 2-Ethyloctadecanoic acid (CAS 14276-80-3)

InChI

InChI=1S/C20H40O2/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(4-2)20(21)22/h19H,3-18H2,1-2H3,(H,21,22)

InChI Key

OHIOERKSFVRABL-UHFFFAOYSA-N

Formula

C20H40O2

SMILES

CCCCCCCCCCCCCCCCC(CC)C(=O)O

Molecular Weight¹

312.53

CAS

14276-80-3

• 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).
• 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°	-150.66	kJ/mol	Joback Calculated Property
ΔfH°gas	-726.22	kJ/mol	Joback Calculated Property
ΔfusH°	49.72	kJ/mol	Joback Calculated Property
ΔvapH°	83.15	kJ/mol	Joback Calculated Property
log10WS	-7.05		Crippen Calculated Property
logPoct/wat	6.969		Crippen Calculated Property
McVol	300.100	ml/mol	McGowan Calculated Property
Pc	1129.86	kPa	Joback Calculated Property
Inp	[2178.00; 2178.00]
Inp	2178.00		NIST
Inp	2178.00		NIST
Tboil	802.61	K	Joback Calculated Property
Tc	983.28	K	Joback Calculated Property
Tfus	410.91	K	Joback Calculated Property
Vc	1.175	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[955.53; 1051.93]	J/mol×K	[802.61; 983.28]
Cp,gas	955.53	J/mol×K	802.61	Joback Calculated Property
Cp,gas	973.79	J/mol×K	832.72	Joback Calculated Property
Cp,gas	991.13	J/mol×K	862.83	Joback Calculated Property
Cp,gas	1007.57	J/mol×K	892.94	Joback Calculated Property
Cp,gas	1023.16	J/mol×K	923.06	Joback Calculated Property
Cp,gas	1037.93	J/mol×K	953.17	Joback Calculated Property
Cp,gas	1051.93	J/mol×K	983.28	Joback Calculated Property
η	[0.0000156; 0.0022773]	Pa×s	[410.91; 802.61]
η	0.0022773	Pa×s	410.91	Joback Calculated Property
η	0.0005614	Pa×s	476.19	Joback Calculated Property
η	0.0001940	Pa×s	541.48	Joback Calculated Property
η	0.0000842	Pa×s	606.76	Joback Calculated Property
η	0.0000430	Pa×s	672.04	Joback Calculated Property
η	0.0000247	Pa×s	737.33	Joback Calculated Property
η	0.0000156	Pa×s	802.61	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[529.32; 695.16]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.73673e+01
Coefficient B			-6.79732e+03
Coefficient C			-1.31344e+02
Temperature range, min.			529.32
Temperature range, max.			695.16
Pvap	1.33	kPa	529.32	Calculated Property
Pvap	2.84	kPa	547.75	Calculated Property
Pvap	5.67	kPa	566.17	Calculated Property
Pvap	10.70	kPa	584.60	Calculated Property
Pvap	19.23	kPa	603.03	Calculated Property
Pvap	33.06	kPa	621.45	Calculated Property
Pvap	54.65	kPa	639.88	Calculated Property
Pvap	87.21	kPa	658.31	Calculated Property
Pvap	134.84	kPa	676.73	Calculated Property
Pvap	202.63	kPa	695.16	Calculated Property

Similar Compounds

Find more compounds similar to 2-Ethyloctadecanoic acid.

Sources

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

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