- InChI
- InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)
- InChI Key
- ONIBWKKTOPOVIA-UHFFFAOYSA-N
- Formula
- C5H9NO2
- SMILES
- O=C(O)C1CCCN1
- Molecular Weight1
- 115.13
- CAS
- 609-36-9
- Other Names
-
- 2-Pyrrolidine carboxylic acid
- Proline, DL-
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- 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).
- log10WS : Log10 of Water solubility in mol/l.
- 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 |
|---|---|---|---|
| ΔcH°solid | -2729.60 ± 0.54 | kJ/mol | NIST |
| ΔfG° | -150.26 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -313.05 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 17.92 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 57.16 | kJ/mol | Joback Calculated Property |
| log10WS | -0.21 | Crippen Calculated Property | |
| logPoct/wat | -0.177 | Crippen Calculated Property | |
| McVol | 87.870 | ml/mol | McGowan Calculated Property |
| Pc | 5585.83 | kPa | Joback Calculated Property |
| Tboil | 523.68 | K | Joback Calculated Property |
| Tc | 729.91 | K | Joback Calculated Property |
| Tfus | 372.79 | K | Joback Calculated Property |
| Vc | 0.319 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [201.66; 255.23] | J/mol×K | [523.68; 729.91] | 
|
| Cp,gas | 201.66 | J/mol×K | 523.68 | Joback Calculated Property |
| Cp,gas | 211.92 | J/mol×K | 558.05 | Joback Calculated Property |
| Cp,gas | 221.63 | J/mol×K | 592.42 | Joback Calculated Property |
| Cp,gas | 230.81 | J/mol×K | 626.80 | Joback Calculated Property |
| Cp,gas | 239.45 | J/mol×K | 661.17 | Joback Calculated Property |
| Cp,gas | 247.59 | J/mol×K | 695.54 | Joback Calculated Property |
| Cp,gas | 255.23 | J/mol×K | 729.91 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to dl-Proline.
Sources
- Crippen Method
- Crippen Method
- THE STANDARD ENTHALPIES OF FORMATION OF PROLINE ISOMERS
- Joback Method
- McGowan Method
- NIST Webbook
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