Chemical Properties of Acetic acid, oxo- (CAS 298-12-4)

InChI

InChI=1S/C2H2O3/c3-1-2(4)5/h1H,(H,4,5)

InChI Key

HHLFWLYXYJOTON-UHFFFAOYSA-N

Formula

C2H2O3

SMILES

O=CC(=O)O

Molecular Weight¹

74.04

CAS

298-12-4

Other Names

• Acetic acid, 2-oxo-
• Formic acid, formyl-
• Formylformic acid
• Glyoxalic acid
• Glyoxylic acid
• Kyselina glyoxylova
• NSC 27785
• OCHCOOH
• Oxalaldehydic acid
• Oxoacetic acid
• Oxoethanoic acid
• «alpha»-Ketoacetic 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).
• 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

Cheméo can also estimate Log10 of Water solubility in mol/l for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[66.44; 124.07]	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			1.70700e+01
Coefficient B			2.19100e-01
Coefficient C			-1.50600e-04
Coefficient D			3.85000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	66.44	J/mol×K	273.00	Calculated Property
Cp,gas	77.44	J/mol×K	353.78	Calculated Property
Cp,gas	87.00	J/mol×K	434.56	Calculated Property
Cp,gas	95.25	J/mol×K	515.33	Calculated Property
Cp,gas	102.32	J/mol×K	596.11	Calculated Property
Cp,gas	108.31	J/mol×K	676.89	Calculated Property
Cp,gas	113.37	J/mol×K	757.67	Calculated Property
Cp,gas	117.60	J/mol×K	838.44	Calculated Property
Cp,gas	121.12	J/mol×K	919.22	Calculated Property
Cp,gas	124.07	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0014287; 0.0003542]	Pa×s	[314.90; 450.33]	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			-1.11885e+01
Coefficient B			1.46033e+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.			314.90
Temperature range, max.			450.33
η	0.0014287	Pa×s	314.90	Calculated Property
η	0.0011563	Pa×s	329.95	Calculated Property
η	0.0009533	Pa×s	345.00	Calculated Property
η	0.0007987	Pa×s	360.04	Calculated Property
η	0.0006788	Pa×s	375.09	Calculated Property
η	0.0005842	Pa×s	390.14	Calculated Property
η	0.0005083	Pa×s	405.19	Calculated Property
η	0.0004468	Pa×s	420.23	Calculated Property
η	0.0003962	Pa×s	435.28	Calculated Property
η	0.0003542	Pa×s	450.33	Calculated Property

Similar Compounds

Find more compounds similar to Acetic acid, oxo-.

Sources

• Cheméo Relay (1.0)
• 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.
These property values are available through the Cheméo API. A free account gives you an access key.