- 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.
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.6366 | Relay (1.0) Calculated Property | |
| ΔfG° | -477.47 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -464.03 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 13.37 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 57.59 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 10.61 | eV | Relay (1.0) Calculated Property |
| logPoct/wat | -0.730 | Crippen Calculated Property | |
| McVol | 48.050 | ml/mol | McGowan Calculated Property |
| Pc | 6430.83 | kPa | Joback Calculated Property |
| Tboil | 424.42 | K | Relay (1.0) Calculated Property |
| Tc | 690.34 | K | Relay (1.0) Calculated Property |
| Tfus | 304.33 | K | Relay (1.0) Calculated Property |
| Vc | 0.187 | m3/kmol | Relay (1.0) Calculated Property |
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.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [87.55; 105.94] | J/mol×K | [439.53; 643.33] | 
|
| Cp,gas | 87.55 | J/mol×K | 439.53 | Joback Calculated Property |
| Cp,gas | 91.14 | J/mol×K | 473.50 | Joback Calculated Property |
| Cp,gas | 94.50 | J/mol×K | 507.46 | Joback Calculated Property |
| Cp,gas | 97.66 | J/mol×K | 541.43 | Joback Calculated Property |
| Cp,gas | 100.61 | J/mol×K | 575.39 | Joback Calculated Property |
| Cp,gas | 103.37 | J/mol×K | 609.36 | Joback Calculated Property |
| Cp,gas | 105.94 | J/mol×K | 643.33 | Joback Calculated Property |
| η | [0.0003836; 0.0014287] | Pa×s | [314.90; 439.53] |
|
| η | 0.0014287 | Pa×s | 314.90 | Joback Calculated Property |
| η | 0.0010723 | Pa×s | 335.67 | Joback Calculated Property |
| η | 0.0008321 | Pa×s | 356.44 | Joback Calculated Property |
| η | 0.0006641 | Pa×s | 377.21 | Joback Calculated Property |
| η | 0.0005426 | Pa×s | 397.99 | Joback Calculated Property |
| η | 0.0004523 | Pa×s | 418.76 | Joback Calculated Property |
| η | 0.0003836 | Pa×s | 439.53 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to Acetic acid, oxo-.
Sources
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