Chemical Properties of (E)-3-Methyl-5-((1R,4aR,8aR)-5,5,8a-trimethyl-2-methylenedecahydronaphthalen-1-yl)pent-2-enoic acid (CAS 20257-75-4)

InChI

InChI=1S/C20H32O2/c1-14(13-18(21)22)7-9-16-15(2)8-10-17-19(3,4)11-6-12-20(16,17)5/h13,16-17H,2,6-12H2,1,3-5H3,(H,21,22)/b14-13+/t16-,17-,20-/m1/s1

InChI Key

JFQBNOIJWROZGE-VBRACAIISA-N

Formula

C20H32O2

SMILES

C=C1CCC2C(C)(C)CCCC2(C)C1CCC(C)=CC(=O)O

Molecular Weight¹

304.47

CAS

20257-75-4

Other Names

• Copalic acid
• (-)-Copalic acid

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfusH°	32.85	kJ/mol	Joback Calculated Property
logPoct/wat	5.596		Crippen Calculated Property
McVol	269.780	ml/mol	McGowan Calculated Property
Inp	[2380.00; 2380.00]
Inp	2380.00		NIST
Inp	2380.00		NIST

Cheméo can also estimate Normal Boiling Point Temperature, Normal melting (fusion) point, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l 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.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[356.26; 993.73]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			-2.11348e+02
Coefficient B			2.65128e+00
Coefficient C			-2.33970e-03
Coefficient D			8.93500e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	356.26	J/mol×K	273.00	Calculated Property
Cp,gas	473.34	J/mol×K	353.78	Calculated Property
Cp,gas	572.28	J/mol×K	434.56	Calculated Property
Cp,gas	655.88	J/mol×K	515.33	Calculated Property
Cp,gas	726.97	J/mol×K	596.11	Calculated Property
Cp,gas	788.38	J/mol×K	676.89	Calculated Property
Cp,gas	842.94	J/mol×K	757.67	Calculated Property
Cp,gas	893.46	J/mol×K	838.44	Calculated Property
Cp,gas	942.79	J/mol×K	919.22	Calculated Property
Cp,gas	993.73	J/mol×K	1000.00	Calculated Property

Similar Compounds

Find more compounds similar to (E)-3-Methyl-5-((1R,4aR,8aR)-5,5,8a-trimethyl-2-methylenedecahydronaphthalen-1-yl)pent-2-enoic acid.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
Calculated This icon marks a calculated value or equation: a prediction, not a measurement.
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