- InChI
- InChI=1S/C10H8N2/c1-2-6-12-10(3-1)9-4-7-11-8-5-9/h1-8H
- InChI Key
- RMHQDKYZXJVCME-UHFFFAOYSA-N
- Formula
- C10H8N2
- SMILES
- c1ccc(-c2ccncc2)nc1
- Molecular Weight1
- 156.18
- CAS
- 581-47-5
- Other Names
-
- 2,4'-Bipyridyl
- 2,4'-Dipyridine
- 2,4'-dipyridyl
- 2,4-Bipyridyl
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- 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.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔcH°solid | -5274.70 ± 1.60 | kJ/mol | NIST |
| ΔfH°gas | 284.20 ± 2.70 | kJ/mol | NIST |
| ΔfH°solid | 196.30 ± 2.10 | kJ/mol | NIST |
| ΔfusH° | 17.40 | kJ/mol | Hypothetical Thermodynamic Properties. Subcooled Vaporization Enthalpies and Vapor Pressures of Polyaromatic Heterocycles and Related Compounds |
| ΔsubH° | [87.90; 87.90] | kJ/mol |
|
| ΔsubH° | 87.90 ± 1.70 | kJ/mol | NIST |
| ΔsubH° | 87.90 | kJ/mol | NIST |
| ΔsubH° | 87.90 ± 1.70 | kJ/mol | NIST |
| ΔvapH° | 70.90 ± 1.60 | kJ/mol | NIST |
| IE | 9.02 | eV | Relay (1.0) Calculated Property |
| log10WS | -1.14 | Relay (1.0) Calculated Property | |
| logPoct/wat | 2.144 | Crippen Calculated Property | |
| McVol | 124.200 | ml/mol | McGowan Calculated Property |
| Inp | 1574.00 | NIST | |
| I | 2435.00 | NIST | |
| Tboil | 554.20 | K | NIST |
| Tfus | 334.60 | K | NIST |
Cheméo can also estimate Critical Temperature, Critical Pressure, Critical Volume, Standard Gibbs free energy of formation, Acentric Factor 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 |
|---|---|---|---|---|
| ΔfusH | 17.40 | kJ/mol | 332.80 | NIST |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 422.00 ± 1.00 | K | 1.50 | NIST |
Similar Compounds
Find more compounds similar to 2,4'-Bipyridine.
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
- Hypothetical Thermodynamic Properties. Subcooled Vaporization Enthalpies and Vapor Pressures of Polyaromatic Heterocycles and Related Compounds
- McGowan Method
- NIST Webbook
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