- InChI
- InChI=1S/C7H9N/c1-6-3-4-7(2)8-5-6/h3-5H,1-2H3
- InChI Key
- XWKFPIODWVPXLX-UHFFFAOYSA-N
- Formula
- C7H9N
- SMILES
- Cc1ccc(C)nc1
- Molecular Weight1
- 107.15
- CAS
- 589-93-5
- Other Names
-
- 2,5-Dimethylpyridine
- 2,5-LUTIDINE
- 5-methyl-2-methylpyridine
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- μ : Dipole Moment (debye).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (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).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (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 | 0.3411 | Relay (1.0) Calculated Property | |
| PAff | 958.80 | kJ/mol | NIST |
| BasG | 926.90 | kJ/mol | NIST |
| ΔcH°liquid | -4059.40 | kJ/mol | NIST |
| μ | 2.20 | debye | KDB |
| ΔfG° | 166.21 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | [66.40; 66.44] | kJ/mol |
|
| ΔfH°gas | 66.44 | kJ/mol | KDB |
| ΔfH°gas | 66.40 | kJ/mol | NIST |
| ΔfH°liquid | 18.60 | kJ/mol | NIST |
| ΔvapH° | 47.82 | kJ/mol | NIST |
| IE | 8.80 ± 0.05 | eV | NIST |
| log10WS | 0.40 | Aq. Solubility Prediction | |
| logPoct/wat | 1.698 | Crippen Calculated Property | |
| McVol | 95.710 | ml/mol | McGowan Calculated Property |
| Pc | 4313.13 | kPa | Relay (1.0-beta) Calculated Property |
| Inp | [903.20; 946.00] |
|
|
| Inp | 919.10 | NIST | |
| Inp | 920.00 | NIST | |
| Inp | 921.00 | NIST | |
| Inp | 917.00 | NIST | |
| Inp | 912.00 | NIST | |
| Inp | 926.00 | NIST | |
| Inp | 913.00 | NIST | |
| Inp | 911.00 | NIST | |
| Inp | 912.00 | NIST | |
| Inp | 912.00 | NIST | |
| Inp | 913.00 | NIST | |
| Inp | Outlier 946.00 | NIST | |
| Inp | 903.20 | NIST | |
| Inp | 930.00 | NIST | |
| Inp | 919.00 | NIST | |
| Inp | 915.00 | NIST | |
| Inp | 909.20 | NIST | |
| Inp | 917.00 | NIST | |
| Inp | 916.00 | NIST | |
| Inp | 916.00 | NIST | |
| Inp | 928.00 | NIST | |
| Inp | 926.00 | NIST | |
| Inp | 936.00 | NIST | |
| Inp | 928.00 | NIST | |
| Inp | 909.20 | NIST | |
| Inp | 919.10 | NIST | |
| Inp | 926.00 | NIST | |
| Inp | 913.00 | NIST | |
| Inp | 915.00 | NIST | |
| Inp | 936.00 | NIST | |
| I | [1325.00; 1415.00] |
|
|
| I | 1330.00 | NIST | |
| I | 1371.00 | NIST | |
| I | 1371.00 | NIST | |
| I | 1370.00 | NIST | |
| I | 1395.00 | NIST | |
| I | 1372.00 | NIST | |
| I | 1373.00 | NIST | |
| I | 1415.00 | NIST | |
| I | 1329.00 | NIST | |
| I | 1332.00 | NIST | |
| I | 1335.00 | NIST | |
| I | 1330.00 | NIST | |
| I | 1325.00 | NIST | |
| I | 1412.00 | NIST | |
| I | 1326.00 | NIST | |
| I | 1325.00 | NIST | |
| I | 1329.00 | NIST | |
| S°liquid | 248.81 | J/mol×K | NIST |
| Tboil | [426.25; 431.20] | K |
|
| Tboil | 430.16 | K | KDB |
| Tboil | 431.20 | K | NIST |
| Tboil | 429.90 ± 0.30 | K | NIST |
| Tboil | 426.65 ± 3.00 | K | NIST |
| Tboil | 429.15 ± 2.00 | K | NIST |
| Tboil | 426.25 ± 1.50 | K | NIST |
| Tc | [644.15; 644.20] | K |
|
| Tc | 644.20 | K | KDB |
| Tc | 644.16 ± 0.30 | K | NIST |
| Tc | 644.15 ± 1.00 | K | NIST |
| Tfus | [257.00; 259.07] | K |
|
| Tfus | 257.00 | K | KDB |
| Tfus | 259.07 | K | NIST |
| Tfus | 257.15 ± 0.50 | K | NIST |
| Tfus | 257.61 ± 0.03 | K | NIST |
| Ttriple | 259.07 ± 0.01 | K | NIST |
| Vc | 0.357 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | 184.70 | J/mol×K | 298.15 | NIST |
| ΔfusH | [14.64; 14.64] | kJ/mol | [259.10; 259.10] |
|
| ΔfusH | 14.64 | kJ/mol | 259.10 | NIST |
| ΔfusH | 14.64 | kJ/mol | 259.10 | NIST |
| ΔvapH | [36.50; 44.40] | kJ/mol | [394.50; 400.50] |
|
| ΔvapH | 42.80 | kJ/mol | 394.50 | NIST |
| ΔvapH | 44.40 | kJ/mol | 400.50 | NIST |
| ΔvapH | 41.90 | kJ/mol | 400.50 | NIST |
| ΔvapH | 39.40 | kJ/mol | 400.50 | NIST |
| ΔvapH | 36.50 | kJ/mol | 400.50 | NIST |
| ρl | 938.00 | kg/m3 | 273.00 | KDB |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.66] | kPa | [319.12; 458.84] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.46024e+01 | |||
| Coefficient B | -3.69877e+03 | |||
| Coefficient C | -6.07320e+01 | |||
| Temperature range, min. | 319.12 | |||
| Temperature range, max. | 458.84 | |||
| Pvap | 1.33 | kPa | 319.12 | Calculated Property |
| Pvap | 3.00 | kPa | 334.64 | Calculated Property |
| Pvap | 6.19 | kPa | 350.17 | Calculated Property |
| Pvap | 11.87 | kPa | 365.69 | Calculated Property |
| Pvap | 21.35 | kPa | 381.22 | Calculated Property |
| Pvap | 36.40 | kPa | 396.74 | Calculated Property |
| Pvap | 59.18 | kPa | 412.27 | Calculated Property |
| Pvap | 92.35 | kPa | 427.79 | Calculated Property |
| Pvap | 139.00 | kPa | 443.32 | Calculated Property |
| Pvap | 202.66 | kPa | 458.84 | Calculated Property |
| Pvap | [6.77; 114.95] | kPa | [350.00; 435.00] |
KDB Vapor Pressure Data
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 9.69764e+01 | |||
| Coefficient B | -8.86176e+03 | |||
| Coefficient C | -1.20654e+01 | |||
| Coefficient D | 7.61858e-06 | |||
| Temperature range, min. | 350.00 | |||
| Temperature range, max. | 435.00 | |||
| Pvap | 6.77 | kPa | 350.00 | Calculated Property |
| Pvap | 10.04 | kPa | 359.44 | Calculated Property |
| Pvap | 14.55 | kPa | 368.89 | Calculated Property |
| Pvap | 20.62 | kPa | 378.33 | Calculated Property |
| Pvap | 28.62 | kPa | 387.78 | Calculated Property |
| Pvap | 39.00 | kPa | 397.22 | Calculated Property |
| Pvap | 52.25 | kPa | 406.67 | Calculated Property |
| Pvap | 68.91 | kPa | 416.11 | Calculated Property |
| Pvap | 89.59 | kPa | 425.56 | Calculated Property |
| Pvap | 114.95 | kPa | 435.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Pyridine, 2,5-dimethyl-.
Sources
- KDB Vapor Pressure Data
- 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
- KDB
- Aqueous Solubility Prediction Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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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