Mixture of Toluene + Pyrazine, methyl-

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- (2) [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (2) - Liquid	Temperature, K - Liquid	Mole fraction of Pyrazine, methyl- (2) - Gas
0.1346	263.15	0.0384
0.2424	263.15	0.0736
0.3729	263.15	0.1208
0.5050	263.15	0.1783
0.6416	263.15	0.2624
0.7642	263.15	0.3866
0.1346	273.15	0.0425
0.2424	273.15	0.0807
0.3729	273.15	0.1318
0.5050	273.15	0.1943
0.6416	273.15	0.2848
0.7642	273.15	0.4151
0.1346	283.15	0.0465
0.2424	283.15	0.0876
0.3729	283.15	0.1424
0.5050	283.15	0.2094
0.6416	283.15	0.3056
0.7642	283.15	0.4408
0.1346	293.15	0.0504
0.2424	293.15	0.0942
0.3729	293.15	0.1525
0.5050	293.15	0.2236
0.6416	293.15	0.3248
0.7642	293.15	0.4638
0.1346	303.15	0.0541
0.2424	303.15	0.1006
0.3729	303.15	0.1622
0.5050	303.15	0.2371
0.6416	303.15	0.3426
0.7642	303.15	0.4845
0.1346	313.15	0.0576
0.2424	313.15	0.1069
0.3729	313.15	0.1716
0.5050	313.15	0.2499
0.6416	313.15	0.3590
0.7642	313.15	0.5031
0.1346	323.15	0.0613
0.2424	323.15	0.1130
0.3729	323.15	0.1808
0.5050	323.15	0.2622
0.6416	323.15	0.3743
0.7642	323.15	0.5198
0.1346	333.15	0.0646
0.2424	333.15	0.1189
0.3729	333.15	0.1897
0.5050	333.15	0.2740
0.6416	333.15	0.3887
0.7642	333.15	0.5348
0.1346	343.15	0.0670
0.2424	343.15	0.1247
0.3729	343.15	0.1984
0.5050	343.15	0.2853
0.6416	343.15	0.4021
0.7642	343.15	0.5485
0.1346	353.15	0.0711
0.2424	353.15	0.1304
0.3729	353.15	0.2069
0.5050	353.15	0.2964
0.6416	353.15	0.4148
0.7642	353.15	0.5609
0.1346	363.15	0.0741
0.2424	363.15	0.1360
0.3729	363.15	0.2153
0.5050	363.15	0.3071
0.6416	363.15	0.4269
0.7642	363.15	0.5723

Mole fraction of Pyrazine, methyl- (2) [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (2) - Liquid	Temperature, K - Liquid	Mole fraction of Pyrazine, methyl- (2) - Gas
0.1346	263.15	0.0384
0.2424	263.15	0.0736
0.3729	263.15	0.1208
0.5050	263.15	0.1783
0.6416	263.15	0.2624
0.7642	263.15	0.3866
0.1346	273.15	0.0425
0.2424	273.15	0.0807
0.3729	273.15	0.1318
0.5050	273.15	0.1943
0.6416	273.15	0.2848
0.7642	273.15	0.4151
0.1346	283.15	0.0465
0.2424	283.15	0.0876
0.3729	283.15	0.1424
0.5050	283.15	0.2094
0.6416	283.15	0.3056
0.7642	283.15	0.4408
0.1346	293.15	0.0504
0.2424	293.15	0.0942
0.3729	293.15	0.1525
0.5050	293.15	0.2236
0.6416	293.15	0.3248
0.7642	293.15	0.4638
0.1346	303.15	0.0541
0.2424	303.15	0.1006
0.3729	303.15	0.1622
0.5050	303.15	0.2371
0.6416	303.15	0.3426
0.7642	303.15	0.4845
0.1346	313.15	0.0576
0.2424	313.15	0.1069
0.3729	313.15	0.1716
0.5050	313.15	0.2499
0.6416	313.15	0.3590
0.7642	313.15	0.5031
0.1346	323.15	0.0613
0.2424	323.15	0.1130
0.3729	323.15	0.1808
0.5050	323.15	0.2622
0.6416	323.15	0.3743
0.7642	323.15	0.5198
0.1346	333.15	0.0646
0.2424	333.15	0.1189
0.3729	333.15	0.1897
0.5050	333.15	0.2740
0.6416	333.15	0.3887
0.7642	333.15	0.5348
0.1346	343.15	0.0670
0.2424	343.15	0.1247
0.3729	343.15	0.1984
0.5050	343.15	0.2853
0.6416	343.15	0.4021
0.7642	343.15	0.5485
0.1346	353.15	0.0711
0.2424	353.15	0.1304
0.3729	353.15	0.2069
0.5050	353.15	0.2964
0.6416	353.15	0.4148
0.7642	353.15	0.5609
0.1346	363.15	0.0741
0.2424	363.15	0.1360
0.3729	363.15	0.2153
0.5050	363.15	0.3071
0.6416	363.15	0.4269
0.7642	363.15	0.5723

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- (2) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.1560	0.0280
0.2560	0.0480
0.4210	0.0730
0.4650	0.0750
0.4750	0.0750
0.5610	0.0690
0.6980	0.0390
0.7600	0.0290

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- (2) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.1560	0.0280
0.2560	0.0480
0.4210	0.0730
0.4650	0.0750
0.4750	0.0750
0.5610	0.0690
0.6980	0.0390
0.7600	0.0290

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1346	263.15	0.42
0.2424	263.15	0.38
0.3729	263.15	0.34
0.5050	263.15	0.30
0.6416	263.15	0.25
0.7642	263.15	0.20
0.1346	273.15	0.83
0.2424	273.15	0.75
0.3729	273.15	0.68
0.5050	273.15	0.60
0.6416	273.15	0.50
0.7642	273.15	0.41
0.1346	283.15	1.53
0.2424	283.15	1.39
0.3729	283.15	1.26
0.5050	283.15	1.11
0.6416	283.15	0.94
0.7642	283.15	0.78
0.1346	293.15	2.68
0.2424	293.15	2.44
0.3729	293.15	2.23
0.5050	293.15	1.98
0.6416	293.15	1.69
0.7642	293.15	1.41
0.1346	303.15	4.51
0.2424	303.15	4.12
0.3729	303.15	3.78
0.5050	303.15	3.37
0.6416	303.15	2.89
0.7642	303.15	2.44
0.1346	313.15	7.29
0.2424	313.15	6.68
0.3729	313.15	6.16
0.5050	313.15	5.52
0.6416	313.15	4.77
0.7642	313.15	4.06
0.1346	323.15	11.38
0.2424	323.15	10.49
0.3729	323.15	9.69
0.5050	323.15	8.72
0.6416	323.15	7.59
0.7642	323.15	6.51
0.1346	333.15	17.23
0.2424	333.15	15.95
0.3729	333.15	14.78
0.5050	333.15	13.35
0.6416	333.15	11.71
0.7642	333.15	10.13
0.1346	343.15	25.38
0.2424	343.15	23.58
0.3729	343.15	21.92
0.5050	343.15	19.87
0.6416	343.15	17.55
0.7642	343.15	15.30
0.1346	353.15	36.45
0.2424	353.15	34.00
0.3729	353.15	31.68
0.5050	353.15	28.84
0.6416	353.15	25.65
0.7642	353.15	22.52
0.1346	363.15	51.16
0.2424	363.15	47.92
0.3729	363.15	44.76
0.5050	363.15	40.89
0.6416	363.15	36.62
0.7642	363.15	32.37

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Pyrazine, methyl- (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1346	263.15	0.42
0.2424	263.15	0.38
0.3729	263.15	0.34
0.5050	263.15	0.30
0.6416	263.15	0.25
0.7642	263.15	0.20
0.1346	273.15	0.83
0.2424	273.15	0.75
0.3729	273.15	0.68
0.5050	273.15	0.60
0.6416	273.15	0.50
0.7642	273.15	0.41
0.1346	283.15	1.53
0.2424	283.15	1.39
0.3729	283.15	1.26
0.5050	283.15	1.11
0.6416	283.15	0.94
0.7642	283.15	0.78
0.1346	293.15	2.68
0.2424	293.15	2.44
0.3729	293.15	2.23
0.5050	293.15	1.98
0.6416	293.15	1.69
0.7642	293.15	1.41
0.1346	303.15	4.51
0.2424	303.15	4.12
0.3729	303.15	3.78
0.5050	303.15	3.37
0.6416	303.15	2.89
0.7642	303.15	2.44
0.1346	313.15	7.29
0.2424	313.15	6.68
0.3729	313.15	6.16
0.5050	313.15	5.52
0.6416	313.15	4.77
0.7642	313.15	4.06
0.1346	323.15	11.38
0.2424	323.15	10.49
0.3729	323.15	9.69
0.5050	323.15	8.72
0.6416	323.15	7.59
0.7642	323.15	6.51
0.1346	333.15	17.23
0.2424	333.15	15.95
0.3729	333.15	14.78
0.5050	333.15	13.35
0.6416	333.15	11.71
0.7642	333.15	10.13
0.1346	343.15	25.38
0.2424	343.15	23.58
0.3729	343.15	21.92
0.5050	343.15	19.87
0.6416	343.15	17.55
0.7642	343.15	15.30
0.1346	353.15	36.45
0.2424	353.15	34.00
0.3729	353.15	31.68
0.5050	353.15	28.84
0.6416	353.15	25.65
0.7642	353.15	22.52
0.1346	363.15	51.16
0.2424	363.15	47.92
0.3729	363.15	44.76
0.5050	363.15	40.89
0.6416	363.15	36.62
0.7642	363.15	32.37

Sources

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