- InChI
- InChI=1S/C5H6O2/c1-3-4-5(6)7-2/h1-2H3
- InChI Key
- UJQCANQILFWSDJ-UHFFFAOYSA-N
- Formula
- C5H6O2
- SMILES
- CC#CC(=O)OC
- Molecular Weight1
- 98.10
- Other Names
-
- 2-Butynoic acid, methyl ester
- Methyl tetrolate
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- 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).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfusH° | 14.61 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 46.12 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 10.09 | eV | Relay (1.0) Calculated Property |
| logPoct/wat | 0.183 | Crippen Calculated Property | |
| McVol | 80.150 | ml/mol | McGowan Calculated Property |
| Tboil | 422.67 | K | Relay (1.0) Calculated Property |
| Tfus | 267.33 | K | Relay (1.0) Calculated Property |
Cheméo can also estimate Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [137.16; 174.80] | J/mol×K | [399.09; 604.33] | 
|
| Cp,gas | 137.16 | J/mol×K | 399.09 | Joback Calculated Property |
| Cp,gas | 143.89 | J/mol×K | 433.30 | Joback Calculated Property |
| Cp,gas | 150.45 | J/mol×K | 467.50 | Joback Calculated Property |
| Cp,gas | 156.83 | J/mol×K | 501.71 | Joback Calculated Property |
| Cp,gas | 163.02 | J/mol×K | 535.92 | Joback Calculated Property |
| Cp,gas | 169.01 | J/mol×K | 570.12 | Joback Calculated Property |
| Cp,gas | 174.80 | J/mol×K | 604.33 | Joback Calculated Property |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | [349.50; 349.70] | K | [11.00; 11.00] |
|
| Tboilr | 349.70 | K | 11.00 | NIST |
| Tboilr | 349.50 ± 0.50 | K | 11.00 | NIST |
Similar Compounds
Find more compounds similar to Methyl 2-butynoate.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- 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.
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