Mixture of Pyrazine, methyl- + Heptane

Datasets

1. Mole fraction (2)
2. Excess molar enthalpy (molar enthalpy (2)
3. P_vap - Vapor or sublimation pressure, kPa (2)

Mole fraction of Pyrazine, methyl- (1) [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (1) - Liquid	Temperature, K - Liquid	Mole fraction of Pyrazine, methyl- (1) - Gas
0.1377	263.15	0.0799
0.2415	263.15	0.1014
0.4101	263.15	0.1161
0.5401	263.15	0.1213
0.6815	263.15	0.1262
0.8048	263.15	0.1378
0.9447	263.15	0.2377
0.1377	273.15	0.0827
0.2415	273.15	0.1084
0.4101	273.15	0.1287
0.5401	273.15	0.1372
0.6815	273.15	0.1457
0.8048	273.15	0.1622
0.9447	273.15	0.2825
0.1377	283.15	0.0852
0.2415	283.15	0.1150
0.4101	283.15	0.1409
0.5401	283.15	0.1530
0.6815	283.15	0.1655
0.8048	283.15	0.1875
0.9447	283.15	0.3274
0.1377	293.15	0.0875
0.2415	293.15	0.1211
0.4101	293.15	0.1528
0.5401	293.15	0.1687
0.6815	293.15	0.1856
0.8048	293.15	0.2133
0.9447	293.15	0.3716
0.1377	303.15	0.0897
0.2415	303.15	0.1269
0.4101	303.15	0.1642
0.5401	303.15	0.1841
0.6815	303.15	0.2057
0.8048	303.15	0.2394
0.9447	303.15	0.4144
0.1377	313.15	0.0916
0.2415	313.15	0.1322
0.4101	313.15	0.1751
0.5401	313.15	0.1992
0.6815	313.15	0.2257
0.8048	313.15	0.2656
0.9447	313.15	0.4554
0.1377	323.15	0.0935
0.2415	323.15	0.1371
0.4101	323.15	0.1855
0.5401	323.15	0.2139
0.6815	323.15	0.2456
0.8048	323.15	0.2917
0.9447	323.15	0.4943
0.1377	333.15	0.0951
0.2415	333.15	0.1416
0.4101	333.15	0.1953
0.5401	333.15	0.2281
0.6815	333.15	0.2652
0.8048	333.15	0.3176
0.9447	333.15	0.5308
0.1377	343.15	0.0967
0.2415	343.15	0.1457
0.4101	343.15	0.2047
0.5401	343.15	0.2420
0.6815	343.15	0.2847
0.8048	343.15	0.3432
0.9447	343.15	0.5649
0.1377	353.15	0.0982
0.2415	353.15	0.1496
0.4101	353.15	0.2135
0.5401	353.15	0.2554
0.6815	353.15	0.3038
0.8048	353.15	0.3685
0.9447	353.15	0.5965
0.1377	363.15	0.0996
0.2415	363.15	0.1531
0.4101	363.15	0.2218
0.5401	363.15	0.2684
0.6815	363.15	0.3227
0.8048	363.15	0.3932
0.9447	363.15	0.6256

Mole fraction of Pyrazine, methyl- (1) [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (1) - Liquid	Temperature, K - Liquid	Mole fraction of Pyrazine, methyl- (1) - Gas
0.1377	263.15	0.0799
0.2415	263.15	0.1014
0.4101	263.15	0.1161
0.5401	263.15	0.1213
0.6815	263.15	0.1262
0.8048	263.15	0.1378
0.9447	263.15	0.2377
0.1377	273.15	0.0827
0.2415	273.15	0.1084
0.4101	273.15	0.1287
0.5401	273.15	0.1372
0.6815	273.15	0.1457
0.8048	273.15	0.1622
0.9447	273.15	0.2825
0.1377	283.15	0.0852
0.2415	283.15	0.1150
0.4101	283.15	0.1409
0.5401	283.15	0.1530
0.6815	283.15	0.1655
0.8048	283.15	0.1875
0.9447	283.15	0.3274
0.1377	293.15	0.0875
0.2415	293.15	0.1211
0.4101	293.15	0.1528
0.5401	293.15	0.1687
0.6815	293.15	0.1856
0.8048	293.15	0.2133
0.9447	293.15	0.3716
0.1377	303.15	0.0897
0.2415	303.15	0.1269
0.4101	303.15	0.1642
0.5401	303.15	0.1841
0.6815	303.15	0.2057
0.8048	303.15	0.2394
0.9447	303.15	0.4144
0.1377	313.15	0.0916
0.2415	313.15	0.1322
0.4101	313.15	0.1751
0.5401	313.15	0.1992
0.6815	313.15	0.2257
0.8048	313.15	0.2656
0.9447	313.15	0.4554
0.1377	323.15	0.0935
0.2415	323.15	0.1371
0.4101	323.15	0.1855
0.5401	323.15	0.2139
0.6815	323.15	0.2456
0.8048	323.15	0.2917
0.9447	323.15	0.4943
0.1377	333.15	0.0951
0.2415	333.15	0.1416
0.4101	333.15	0.1953
0.5401	333.15	0.2281
0.6815	333.15	0.2652
0.8048	333.15	0.3176
0.9447	333.15	0.5308
0.1377	343.15	0.0967
0.2415	343.15	0.1457
0.4101	343.15	0.2047
0.5401	343.15	0.2420
0.6815	343.15	0.2847
0.8048	343.15	0.3432
0.9447	343.15	0.5649
0.1377	353.15	0.0982
0.2415	353.15	0.1496
0.4101	353.15	0.2135
0.5401	353.15	0.2554
0.6815	353.15	0.3038
0.8048	353.15	0.3685
0.9447	353.15	0.5965
0.1377	363.15	0.0996
0.2415	363.15	0.1531
0.4101	363.15	0.2218
0.5401	363.15	0.2684
0.6815	363.15	0.3227
0.8048	363.15	0.3932
0.9447	363.15	0.6256

Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]

Operational conditions:

• Temperature, K = 303.15 (Liquid)
• Pressure, kPa = 100 (Liquid)

Mole fraction of Pyrazine, methyl- (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.0820	0.5630
0.1750	1.077
0.3350	1.475
0.4110	1.543
0.4810	1.55
0.5230	1.543
0.6220	1.44
0.7040	1.247
0.8090	0.9650
0.8770	0.6970

Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]

Operational conditions:

• Temperature, K = 303.15 (Liquid)
• Pressure, kPa = 100 (Liquid)

Mole fraction of Pyrazine, methyl- (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.0820	0.5630
0.1750	1.077
0.3350	1.475
0.4110	1.543
0.4810	1.55
0.5230	1.543
0.6220	1.44
0.7040	1.247
0.8090	0.9650
0.8770	0.6970

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1377	263.15	0.78
0.2415	263.15	0.77
0.4101	263.15	0.74
0.5401	263.15	0.73
0.6815	263.15	0.71
0.8048	263.15	0.67
0.9447	263.15	0.41
0.1377	273.15	1.49
0.2415	273.15	1.46
0.4101	273.15	1.41
0.5401	273.15	1.37
0.6815	273.15	1.32
0.8048	273.15	1.23
0.9447	273.15	0.76
0.1377	283.15	2.69
0.2415	283.15	2.63
0.4101	283.15	2.52
0.5401	283.15	2.44
0.6815	283.15	2.33
0.8048	283.15	2.14
0.9447	283.15	1.32
0.1377	293.15	4.61
0.2415	293.15	4.50
0.4101	293.15	4.30
0.5401	293.15	4.15
0.6815	293.15	3.93
0.8048	293.15	3.56
0.9447	293.15	2.22
0.1377	303.15	7.58
0.2415	303.15	7.39
0.4101	303.15	7.04
0.5401	303.15	6.77
0.6815	303.15	6.36
0.8048	303.15	5.72
0.9447	303.15	3.60
0.1377	313.15	12.01
0.2415	313.15	11.69
0.4101	313.15	11.12
0.5401	313.15	10.65
0.6815	313.15	9.94
0.8048	313.15	8.88
0.9447	313.15	5.67
0.1377	323.15	18.39
0.2415	323.15	17.88
0.4101	323.15	17.01
0.5401	323.15	16.23
0.6815	323.15	15.05
0.8048	323.15	13.37
0.9447	323.15	8.66
0.1377	333.15	27.33
0.2415	333.15	26.56
0.4101	333.15	25.24
0.5401	333.15	24.02
0.6815	333.15	22.14
0.8048	333.15	19.60
0.9447	333.15	12.91
0.1377	343.15	39.53
0.2415	343.15	38.41
0.4101	343.15	36.49
0.5401	343.15	34.62
0.6815	343.15	31.75
0.8048	343.15	28.03
0.9447	343.15	18.79
0.1377	353.15	55.81
0.2415	353.15	54.23
0.4101	353.15	51.51
0.5401	353.15	48.75
0.6815	353.15	44.49
0.8048	353.15	39.20
0.9447	353.15	26.76
0.1377	363.15	77.08
0.2415	363.15	74.90
0.4101	363.15	71.14
0.5401	363.15	67.18
0.6815	363.15	61.05
0.8048	363.15	53.73
0.9447	363.15	37.39

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (1) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1377	263.15	0.78
0.2415	263.15	0.77
0.4101	263.15	0.74
0.5401	263.15	0.73
0.6815	263.15	0.71
0.8048	263.15	0.67
0.9447	263.15	0.41
0.1377	273.15	1.49
0.2415	273.15	1.46
0.4101	273.15	1.41
0.5401	273.15	1.37
0.6815	273.15	1.32
0.8048	273.15	1.23
0.9447	273.15	0.76
0.1377	283.15	2.69
0.2415	283.15	2.63
0.4101	283.15	2.52
0.5401	283.15	2.44
0.6815	283.15	2.33
0.8048	283.15	2.14
0.9447	283.15	1.32
0.1377	293.15	4.61
0.2415	293.15	4.50
0.4101	293.15	4.30
0.5401	293.15	4.15
0.6815	293.15	3.93
0.8048	293.15	3.56
0.9447	293.15	2.22
0.1377	303.15	7.58
0.2415	303.15	7.39
0.4101	303.15	7.04
0.5401	303.15	6.77
0.6815	303.15	6.36
0.8048	303.15	5.72
0.9447	303.15	3.60
0.1377	313.15	12.01
0.2415	313.15	11.69
0.4101	313.15	11.12
0.5401	313.15	10.65
0.6815	313.15	9.94
0.8048	313.15	8.88
0.9447	313.15	5.67
0.1377	323.15	18.39
0.2415	323.15	17.88
0.4101	323.15	17.01
0.5401	323.15	16.23
0.6815	323.15	15.05
0.8048	323.15	13.37
0.9447	323.15	8.66
0.1377	333.15	27.33
0.2415	333.15	26.56
0.4101	333.15	25.24
0.5401	333.15	24.02
0.6815	333.15	22.14
0.8048	333.15	19.60
0.9447	333.15	12.91
0.1377	343.15	39.53
0.2415	343.15	38.41
0.4101	343.15	36.49
0.5401	343.15	34.62
0.6815	343.15	31.75
0.8048	343.15	28.03
0.9447	343.15	18.79
0.1377	353.15	55.81
0.2415	353.15	54.23
0.4101	353.15	51.51
0.5401	353.15	48.75
0.6815	353.15	44.49
0.8048	353.15	39.20
0.9447	353.15	26.76
0.1377	363.15	77.08
0.2415	363.15	74.90
0.4101	363.15	71.14
0.5401	363.15	67.18
0.6815	363.15	61.05
0.8048	363.15	53.73
0.9447	363.15	37.39

Sources

• Isothermal vapor- liquid equilibria and excess molar enthalpy of 2-methylpyrazine (2MP) containing binary mixtures. Comparison with DISQUAC predictions