Chemical Properties of Arachidonic acid (CAS 506-32-1)

InChI

InChI=1S/C20H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h6-7,9-10,12-13,15-16H,2-5,8,11,14,17-19H2,1H3,(H,21,22)/b7-6-,10-9-,13-12-,16-15-

InChI Key

YZXBAPSDXZZRGB-DOFZRALJSA-N

Formula

C20H32O2

SMILES

CCCCCC=CCC=CCC=CCC=CCCCC(=O)O

Molecular Weight¹

304.47

CAS

506-32-1

Other Names

• (all-Z)-5,8,11,14-Eicosatetraenoic acid
• 5,8,11,14-Eicosatetraenoic acid, (all-Z)-
• 5,8,11,14-eicosatetraenoic acid
• Arachidonate
• cis-5,8,11,14-Eicosatetraenoic acid
• icosa-5,8,11,14-tetraenoic 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_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).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (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
ω	0.8504		Relay (1.0) Calculated Property
ΔfG°	94.49	kJ/mol	Joback Calculated Property
ΔfH°gas	-573.39	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	58.51	kJ/mol	Joback Calculated Property
ΔvapH°	133.56	kJ/mol	Relay (1.0) Calculated Property
IE	8.49	eV	Relay (1.0) Calculated Property
log10WS	-5.37		Relay (1.0) Calculated Property
logPoct/wat	6.217		Crippen Calculated Property
McVol	282.900	ml/mol	McGowan Calculated Property
Pc	1238.96	kPa	Joback Calculated Property
Inp	[2324.30; 2324.30]
Inp	2324.30		NIST
Inp	2324.30		NIST
Tboil	620.69	K	Relay (1.0) Calculated Property
Tc	820.70	K	Relay (1.0) Calculated Property
Tfus	317.04	K	Relay (1.0) Calculated Property
Vc	0.958	m3/kmol	Relay (1.0) Calculated Property

Pressure Dependent Properties

Property	Value	Unit	Pressure (kPa)	Source
Tboilr	[436.20; 443.20]	K	[0.03; 0.10]
Tboilr	443.20	K	0.03	NIST
Tboilr	436.20	K	0.10	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[387.37; 939.60]	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			-6.74200e+01
Coefficient B			2.03462e+00
Coefficient C			-1.47200e-03
Coefficient D			4.44400e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	387.37	J/mol×K	273.00	Calculated Property
Cp,gas	487.83	J/mol×K	353.78	Calculated Property
Cp,gas	575.23	J/mol×K	434.56	Calculated Property
Cp,gas	650.99	J/mol×K	515.33	Calculated Property
Cp,gas	716.50	J/mol×K	596.11	Calculated Property
Cp,gas	773.18	J/mol×K	676.89	Calculated Property
Cp,gas	822.42	J/mol×K	757.67	Calculated Property
Cp,gas	865.63	J/mol×K	838.44	Calculated Property
Cp,gas	904.22	J/mol×K	919.22	Calculated Property
Cp,gas	939.60	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0006050; 0.0000632]	Pa×s	[455.44; 710.38]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.37064e+01
Coefficient B			2.86754e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Comment			Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc.
Temperature range, min.			455.44
Temperature range, max.			710.38
η	0.0006050	Pa×s	455.44	Calculated Property
η	0.0004185	Pa×s	483.77	Calculated Property
η	0.0003015	Pa×s	512.09	Calculated Property
η	0.0002248	Pa×s	540.42	Calculated Property
η	0.0001726	Pa×s	568.75	Calculated Property
η	0.0001359	Pa×s	597.07	Calculated Property
η	0.0001093	Pa×s	625.40	Calculated Property
η	0.0000896	Pa×s	653.73	Calculated Property
η	0.0000747	Pa×s	682.05	Calculated Property
η	0.0000632	Pa×s	710.38	Calculated Property

Similar Compounds

Find more compounds similar to Arachidonic acid.

Mixtures

• Carbon dioxide + Arachidonic acid

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Measurements of Binary Diffusion Coefficient and Partition Ratio at Infinite Dilution for Linoleic Acid and Arachidonic Acid in Supercritical Carbon Dioxide
• 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.
These property values are available through the Cheméo API. A free account gives you an access key.