Chemical Properties of 2-ethylpentanoic acid (CAS 20225-24-5)

InChI

InChI=1S/C7H14O2/c1-3-5-6(4-2)7(8)9/h6H,3-5H2,1-2H3,(H,8,9)

InChI Key

BAZMYXGARXYAEQ-UHFFFAOYSA-N

Formula

C7H14O2

SMILES

CCCC(CC)C(=O)O

Molecular Weight¹

130.19

CAS

20225-24-5

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Critical Volume, Standard Gibbs free energy of formation, Acentric Factor for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[268.23; 328.29]	J/mol×K	[504.83; 695.80]
Cp,gas	268.23	J/mol×K	504.83	Joback Calculated Property
Cp,gas	279.56	J/mol×K	536.66	Joback Calculated Property
Cp,gas	290.33	J/mol×K	568.49	Joback Calculated Property
Cp,gas	300.57	J/mol×K	600.31	Joback Calculated Property
Cp,gas	310.30	J/mol×K	632.14	Joback Calculated Property
Cp,gas	319.53	J/mol×K	663.97	Joback Calculated Property
Cp,gas	328.29	J/mol×K	695.80	Joback Calculated Property
η	[0.0002638; 0.0022284]	Pa×s	[314.25; 504.83]
η	0.0022284	Pa×s	314.25	Joback Calculated Property
η	0.0013263	Pa×s	346.01	Joback Calculated Property
η	0.0008614	Pa×s	377.78	Joback Calculated Property
η	0.0005981	Pa×s	409.54	Joback Calculated Property
η	0.0004378	Pa×s	441.30	Joback Calculated Property
η	0.0003341	Pa×s	473.07	Joback Calculated Property
η	0.0002638	Pa×s	504.83	Joback Calculated Property

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[364.40; 511.98]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.51550e+01
Coefficient B			-4.29902e+03
Coefficient C			-7.52430e+01
Temperature range, min.			364.40
Temperature range, max.			511.98
Pvap	1.33	kPa	364.40	Calculated Property
Pvap	2.96	kPa	380.80	Calculated Property
Pvap	6.06	kPa	397.20	Calculated Property
Pvap	11.58	kPa	413.59	Calculated Property
Pvap	20.83	kPa	429.99	Calculated Property
Pvap	35.58	kPa	446.39	Calculated Property
Pvap	58.09	kPa	462.79	Calculated Property
Pvap	91.13	kPa	479.18	Calculated Property
Pvap	138.03	kPa	495.58	Calculated Property
Pvap	202.64	kPa	511.98	Calculated Property

Similar Compounds

Find more compounds similar to 2-ethylpentanoic acid.

Sources

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

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