Chemical Properties of 2-Oxopentanedioic acid (CAS 328-50-7)

InChI

InChI=1S/C5H6O5/c6-3(5(9)10)1-2-4(7)8/h1-2H2,(H,7,8)(H,9,10)

InChI Key

KPGXRSRHYNQIFN-UHFFFAOYSA-N

Formula

C5H6O5

SMILES

O=C(O)CCC(=O)C(=O)O

Molecular Weight¹

146.10

CAS

328-50-7

Other Names

• 2-Ketoglutaric acid
• 2-Oxoglutaric acid
• «alpha»-Ketoglutaric acid
• Pentanedioic acid, 2-oxo-
• Glutaric acid, 2-oxo-
• Glutaric acid, «alpha»-keto-
• 2-Oxo-1,5-pentanedioic acid
• NSC 17391
• «alpha»-Oxoglutaric acid

• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• 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_fH°_solid : Solid phase 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_subH : Enthalpy of sublimation at a given temperature (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).
• 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
ΔcH°solid	[-1801.11; -1798.90]	kJ/mol
ΔcH°solid	-1801.11	kJ/mol	NIST
ΔcH°solid	-1798.90 ± 0.84	kJ/mol	NIST
ΔfG°	-669.18	kJ/mol	Joback Calculated Property
ΔfH°gas	-788.73	kJ/mol	Joback Calculated Property
ΔfH°solid	[-1027.89; -1026.20]	kJ/mol
ΔfH°solid	-1027.89	kJ/mol	NIST
ΔfH°solid	-1026.20 ± 0.88	kJ/mol	NIST
ΔfusH°	21.68	kJ/mol	Joback Calculated Property
ΔvapH°	80.32	kJ/mol	Joback Calculated Property
log10WS	0.61		Crippen Calculated Property
logPoct/wat	-0.495		Crippen Calculated Property
McVol	97.760	ml/mol	McGowan Calculated Property
Pc	5695.98	kPa	Joback Calculated Property
Tboil	659.77	K	Joback Calculated Property
Tc	842.08	K	Joback Calculated Property
Tfus	[388.45; 390.90]	K
Tfus	390.90 ± 1.00	K	NIST
Tfus	388.45 ± 1.50	K	NIST
Vc	0.371	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[237.97; 265.74]	J/mol×K	[659.77; 842.08]
Cp,gas	237.97	J/mol×K	659.77	Joback Calculated Property
Cp,gas	243.35	J/mol×K	690.16	Joback Calculated Property
Cp,gas	248.42	J/mol×K	720.54	Joback Calculated Property
Cp,gas	253.19	J/mol×K	750.93	Joback Calculated Property
Cp,gas	257.66	J/mol×K	781.31	Joback Calculated Property
Cp,gas	261.84	J/mol×K	811.70	Joback Calculated Property
Cp,gas	265.74	J/mol×K	842.08	Joback Calculated Property
η	[0.0000349; 0.0027311]	Pa×s	[417.54; 659.77]
η	0.0027311	Pa×s	417.54	Joback Calculated Property
η	0.0009585	Pa×s	457.91	Joback Calculated Property
η	0.0003986	Pa×s	498.28	Joback Calculated Property
η	0.0001891	Pa×s	538.65	Joback Calculated Property
η	0.0000995	Pa×s	579.03	Joback Calculated Property
η	0.0000569	Pa×s	619.40	Joback Calculated Property
η	0.0000349	Pa×s	659.77	Joback Calculated Property
ΔfusH	28.59	kJ/mol	388.70	NIST
ΔsubH	100.00	kJ/mol	277.00	NIST

Similar Compounds

Find more compounds similar to 2-Oxopentanedioic acid.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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