- InChI
- InChI=1S/C5H6N2/c1-5-4-6-2-3-7-5/h2-4H,1H3
- InChI Key
- CAWHJQAVHZEVTJ-UHFFFAOYSA-N
- Formula
- C5H6N2
- SMILES
- Cc1cnccn1
- Molecular Weight1
- 94.11
- CAS
- 109-08-0
- Other Names
-
- 2-Methylpyrazine
- 2-methyl-1,4-diazine
- Methylpyrazine
- Pyrazine, 2-methyl-
- ω : Acentric Factor.
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (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).
- n0 : Refractive Index.
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (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 | 0.3058 | Relay (1.0) Calculated Property | |
| ΔfG° | 205.58 | kJ/mol | Relay (1.0-beta) Calculated Property |
| ΔfH°gas | 160.31 | kJ/mol | Relay (1.0) Calculated Property |
| ΔvapH° | 43.70 ± 1.90 | kJ/mol | NIST |
| IE | 9.29 | eV | Relay (1.0) Calculated Property |
| log10WS | 1.05 | Relay (1.0) Calculated Property | |
| logPoct/wat | 0.785 | Crippen Calculated Property | |
| McVol | 77.510 | ml/mol | McGowan Calculated Property |
| Pc | 5347.81 | kPa | Relay (1.0-beta) Calculated Property |
| Inp | [785.00; 856.00] |
|
|
| Inp | 812.00 | NIST | |
| Inp | 812.00 | NIST | |
| Inp | 852.00 | NIST | |
| Inp | 849.00 | NIST | |
| Inp | 852.00 | NIST | |
| Inp | 849.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 793.00 | NIST | |
| Inp | 805.00 | NIST | |
| Inp | 800.00 | NIST | |
| Inp | 794.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 806.00 | NIST | |
| Inp | 806.00 | NIST | |
| Inp | 827.00 | NIST | |
| Inp | 826.00 | NIST | |
| Inp | 823.00 | NIST | |
| Inp | 816.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 833.00 | NIST | |
| Inp | 825.00 | NIST | |
| Inp | 843.00 | NIST | |
| Inp | 825.00 | NIST | |
| Inp | 837.00 | NIST | |
| Inp | 838.00 | NIST | |
| Inp | 830.00 | NIST | |
| Inp | 830.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 795.00 | NIST | |
| Inp | 836.00 | NIST | |
| Inp | 837.00 | NIST | |
| Inp | 837.00 | NIST | |
| Inp | 837.00 | NIST | |
| Inp | 825.00 | NIST | |
| Inp | 823.19 | NIST | |
| Inp | 829.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 833.00 | NIST | |
| Inp | 835.00 | NIST | |
| Inp | 833.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 794.70 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 800.00 | NIST | |
| Inp | 792.00 | NIST | |
| Inp | 805.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 805.10 | NIST | |
| Inp | 802.50 | NIST | |
| Inp | 802.80 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 807.00 | NIST | |
| Inp | 807.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 845.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 807.00 | NIST | |
| Inp | 836.00 | NIST | |
| Inp | 840.00 | NIST | |
| Inp | 836.00 | NIST | |
| Inp | 836.00 | NIST | |
| Inp | 840.00 | NIST | |
| Inp | 829.00 | NIST | |
| Inp | 838.00 | NIST | |
| Inp | 844.00 | NIST | |
| Inp | 837.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 801.00 | NIST | |
| Inp | 801.00 | NIST | |
| Inp | 836.00 | NIST | |
| Inp | 824.00 | NIST | |
| Inp | 841.00 | NIST | |
| Inp | 840.00 | NIST | |
| Inp | 820.00 | NIST | |
| Inp | 795.00 | NIST | |
| Inp | 824.00 | NIST | |
| Inp | 851.00 | NIST | |
| Inp | 833.00 | NIST | |
| Inp | Outlier 856.00 | NIST | |
| Inp | 834.00 | NIST | |
| Inp | 834.00 | NIST | |
| Inp | 843.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 827.00 | NIST | |
| Inp | 825.00 | NIST | |
| Inp | 836.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 804.00 | NIST | |
| Inp | 828.00 | NIST | |
| Inp | 806.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 785.00 | NIST | |
| Inp | 803.00 | NIST | |
| Inp | 803.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 800.00 | NIST | |
| Inp | 803.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 800.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 796.00 | NIST | |
| Inp | 795.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 803.00 | NIST | |
| Inp | 803.00 | NIST | |
| Inp | 801.00 | NIST | |
| Inp | 800.00 | NIST | |
| Inp | 801.00 | NIST | |
| Inp | 801.00 | NIST | |
| Inp | 795.00 | NIST | |
| Inp | 800.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 826.00 | NIST | |
| Inp | 820.00 | NIST | |
| Inp | 832.00 | NIST | |
| Inp | 813.00 | NIST | |
| Inp | 825.00 | NIST | |
| Inp | 819.00 | NIST | |
| Inp | 820.00 | NIST | |
| Inp | 823.00 | NIST | |
| Inp | 822.00 | NIST | |
| Inp | 824.00 | NIST | |
| Inp | 832.00 | NIST | |
| Inp | 823.00 | NIST | |
| Inp | 820.00 | NIST | |
| Inp | 802.00 | NIST | |
| Inp | 827.00 | NIST | |
| Inp | 827.00 | NIST | |
| Inp | 805.00 | NIST | |
| Inp | 831.00 | NIST | |
| Inp | 826.00 | NIST | |
| Inp | 811.00 | NIST | |
| Inp | 803.00 | NIST | |
| Inp | 824.00 | NIST | |
| Inp | 837.00 | NIST | |
| Inp | 831.00 | NIST | |
| Inp | 799.00 | NIST | |
| Inp | 795.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 827.00 | NIST | |
| Inp | 839.00 | NIST | |
| Inp | 837.00 | NIST | |
| Inp | 833.00 | NIST | |
| Inp | 798.00 | NIST | |
| Inp | 805.00 | NIST | |
| Inp | 802.80 | NIST | |
| Inp | 807.00 | NIST | |
| Inp | 845.00 | NIST | |
| Inp | 836.00 | NIST | |
| Inp | 844.00 | NIST | |
| I | [1235.00; 1312.00] |
|
|
| I | 1268.00 | NIST | |
| I | 1257.00 | NIST | |
| I | Outlier 1309.00 | NIST | |
| I | Outlier 1305.00 | NIST | |
| I | 1263.00 | NIST | |
| I | 1274.00 | NIST | |
| I | 1254.00 | NIST | |
| I | 1255.00 | NIST | |
| I | 1264.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1256.00 | NIST | |
| I | 1251.00 | NIST | |
| I | 1252.00 | NIST | |
| I | 1252.00 | NIST | |
| I | 1248.00 | NIST | |
| I | 1266.00 | NIST | |
| I | 1281.00 | NIST | |
| I | 1266.00 | NIST | |
| I | 1261.00 | NIST | |
| I | 1283.00 | NIST | |
| I | 1266.00 | NIST | |
| I | 1283.00 | NIST | |
| I | 1267.00 | NIST | |
| I | 1266.00 | NIST | |
| I | 1266.00 | NIST | |
| I | 1297.00 | NIST | |
| I | Outlier 1312.00 | NIST | |
| I | 1271.00 | NIST | |
| I | 1270.00 | NIST | |
| I | 1271.00 | NIST | |
| I | 1271.00 | NIST | |
| I | 1282.00 | NIST | |
| I | 1261.00 | NIST | |
| I | 1275.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1249.00 | NIST | |
| I | 1271.00 | NIST | |
| I | 1265.00 | NIST | |
| I | 1272.00 | NIST | |
| I | 1271.00 | NIST | |
| I | 1272.00 | NIST | |
| I | 1267.00 | NIST | |
| I | 1264.00 | NIST | |
| I | 1295.00 | NIST | |
| I | 1295.00 | NIST | |
| I | 1262.00 | NIST | |
| I | 1256.00 | NIST | |
| I | 1259.00 | NIST | |
| I | 1283.00 | NIST | |
| I | 1287.00 | NIST | |
| I | 1264.00 | NIST | |
| I | 1285.00 | NIST | |
| I | 1257.00 | NIST | |
| I | 1288.00 | NIST | |
| I | 1286.00 | NIST | |
| I | 1254.00 | NIST | |
| I | 1297.00 | NIST | |
| I | 1265.00 | NIST | |
| I | 1252.00 | NIST | |
| I | 1275.00 | NIST | |
| I | 1285.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1247.00 | NIST | |
| I | 1271.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1252.00 | NIST | |
| I | 1264.00 | NIST | |
| I | 1264.00 | NIST | |
| I | 1283.00 | NIST | |
| I | 1287.00 | NIST | |
| I | 1288.00 | NIST | |
| I | 1288.00 | NIST | |
| I | 1288.00 | NIST | |
| I | 1252.00 | NIST | |
| I | 1276.00 | NIST | |
| I | 1264.00 | NIST | |
| I | 1262.00 | NIST | |
| I | 1272.00 | NIST | |
| I | 1262.00 | NIST | |
| I | 1275.00 | NIST | |
| I | 1269.00 | NIST | |
| I | 1238.00 | NIST | |
| I | 1258.00 | NIST | |
| I | 1238.00 | NIST | |
| I | 1262.00 | NIST | |
| I | 1268.00 | NIST | |
| I | 1250.00 | NIST | |
| I | 1258.00 | NIST | |
| I | 1241.00 | NIST | |
| I | 1238.00 | NIST | |
| I | Outlier 1309.00 | NIST | |
| I | 1235.00 | NIST | |
| I | 1235.00 | NIST | |
| I | 1266.00 | NIST | |
| I | 1266.00 | NIST | |
| I | 1235.00 | NIST | |
| I | 1254.00 | NIST | |
| I | 1254.00 | NIST | |
| I | 1255.00 | NIST | |
| I | 1250.00 | NIST | |
| I | 1271.00 | NIST | |
| I | 1288.00 | NIST | |
| I | 1279.00 | NIST | |
| I | 1280.00 | NIST | |
| I | 1267.00 | NIST | |
| I | 1274.00 | NIST | |
| I | 1243.00 | NIST | |
| I | 1278.00 | NIST | |
| I | 1251.00 | NIST | |
| I | 1277.00 | NIST | |
| I | 1260.00 | NIST | |
| I | 1260.00 | NIST | |
| I | 1251.00 | NIST | |
| I | 1259.00 | NIST | |
| I | 1235.00 | NIST | |
| I | 1235.00 | NIST | |
| Tboil | [405.15; 409.15] | K |
|
| Tboil | 405.15 ± 1.50 | K | NIST |
| Tboil | 408.85 ± 0.30 | K | NIST |
| Tboil | 409.15 ± 1.50 | K | NIST |
| Tc | 651.03 | K | Relay (1.0) Calculated Property |
| Tfus | 244.35 ± 0.20 | K | NIST |
| Vc | 0.280 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 408.20 | K | 101.00 | NIST |
Similar Compounds
Find more compounds similar to Pyrazine, methyl-.
Mixtures
- Pyrazine, methyl- + Cyclohexanone
- Toluene + Pyrazine, methyl-
- Pyrazine, methyl- + Cyclohexane
- Pyrazine, methyl- + Heptane
- Carbon dioxide + Pyrazine, methyl-
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
- Activity coefficients in binary mixtures formed by cyclohexanone with a variety of compounds at 94.7 kPa
- Isothermal vapor- liquid equilibria and excess molar enthalpy of 2-methylpyrazine (2MP) containing binary mixtures. Comparison with DISQUAC predictions
- Solubility of Pyrazine and Its Derivatives in Supercritical Carbon Dioxide
- KDB
- McGowan Method
- NIST Webbook
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Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.