Mixture of 2,6-Lutidine + Heptane

Datasets

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

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

Operational conditions:

• Temperature, K = 303.15 (Liquid)
• Pressure, kPa = 101.3 (Liquid)

Mole fraction of 2,6-Lutidine (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.1137	0.4760
0.1939	0.6680
0.2600	0.8130
0.3130	0.8810
0.3180	0.9020
0.3650	0.9440
0.4264	0.9910
0.4600	1.009
0.5077	1.011
0.5800	0.9510
0.7064	0.8450
0.7851	0.6900
0.8570	0.5130

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

Operational conditions:

• Temperature, K = 303.15 (Liquid)
• Pressure, kPa = 101.3 (Liquid)

Mole fraction of 2,6-Lutidine (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.1137	0.4760
0.1939	0.6680
0.2600	0.8130
0.3130	0.8810
0.3180	0.9020
0.3650	0.9440
0.4264	0.9910
0.4600	1.009
0.5077	1.011
0.5800	0.9510
0.7064	0.8450
0.7851	0.6900
0.8570	0.5130

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2,6-Lutidine (1) - Liquid	Vapor or sublimation pressure, kPa - Liquid
263.15	0.1245	0.74
263.15	0.2157	0.70
263.15	0.3070	0.66
263.15	0.3843	0.62
263.15	0.4903	0.59
263.15	0.6204	0.52
263.15	0.7102	0.47
263.15	0.8052	0.39
263.15	0.9224	0.23
273.15	0.1245	1.41
273.15	0.2157	1.32
273.15	0.3070	1.25
273.15	0.3843	1.18
273.15	0.4903	1.10
273.15	0.6204	0.98
273.15	0.7102	0.87
273.15	0.8052	0.73
273.15	0.9224	0.45
283.15	0.1245	2.53
283.15	0.2157	2.38
283.15	0.3070	2.25
283.15	0.3843	2.11
283.15	0.4903	1.97
283.15	0.6204	1.75
283.15	0.7102	1.55
283.15	0.8052	1.29
283.15	0.9224	0.80
293.15	0.1245	4.33
293.15	0.2157	4.07
293.15	0.3070	3.86
293.15	0.3843	3.61
293.15	0.4903	3.36
293.15	0.6204	2.97
293.15	0.7102	2.64
293.15	0.8052	2.20
293.15	0.9224	1.39
298.15	0.1245	5.57
298.15	0.2157	5.24
298.15	0.3070	4.97
298.15	0.3843	4.65
298.15	0.4903	4.33
298.15	0.6204	3.82
298.15	0.7102	3.39
298.15	0.8052	2.83
298.15	0.9224	1.80
303.15	0.1245	7.11
303.15	0.2157	6.69
303.15	0.3070	6.34
303.15	0.3843	5.92
303.15	0.4903	5.51
303.15	0.6204	4.87
303.15	0.7102	4.31
303.15	0.8052	3.60
303.15	0.9224	2.31
313.15	0.1245	11.24
313.15	0.2157	10.59
313.15	0.3070	10.03
313.15	0.3843	9.37
313.15	0.4903	8.71
313.15	0.6204	7.68
313.15	0.7102	6.81
313.15	0.8052	5.70
313.15	0.9224	3.73
323.15	0.1245	17.21
323.15	0.2157	16.22
323.15	0.3070	15.35
323.15	0.3843	14.33
323.15	0.4903	13.32
323.15	0.6204	11.74
323.15	0.7102	10.43
323.15	0.8052	8.75
323.15	0.9224	5.83
333.15	0.1245	25.56
333.15	0.2157	24.11
333.15	0.3070	22.80
333.15	0.3843	21.30
333.15	0.4903	19.79
333.15	0.6204	17.45
333.15	0.7102	15.51
333.15	0.8052	13.07
333.15	0.9224	8.88
343.15	0.1245	36.97
343.15	0.2157	34.89
343.15	0.3070	32.98
343.15	0.3843	30.84
343.15	0.4903	28.65
343.15	0.6204	25.25
343.15	0.7102	22.49
343.15	0.8052	19.03
343.15	0.9224	13.17
353.15	0.1245	52.19
353.15	0.2157	49.30
353.15	0.3070	46.55
353.15	0.3843	43.59
353.15	0.4903	40.50
353.15	0.6204	35.70
353.15	0.7102	31.87
353.15	0.8052	27.09
353.15	0.9224	19.11

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 2,6-Lutidine (1) - Liquid	Vapor or sublimation pressure, kPa - Liquid
263.15	0.1245	0.74
263.15	0.2157	0.70
263.15	0.3070	0.66
263.15	0.3843	0.62
263.15	0.4903	0.59
263.15	0.6204	0.52
263.15	0.7102	0.47
263.15	0.8052	0.39
263.15	0.9224	0.23
273.15	0.1245	1.41
273.15	0.2157	1.32
273.15	0.3070	1.25
273.15	0.3843	1.18
273.15	0.4903	1.10
273.15	0.6204	0.98
273.15	0.7102	0.87
273.15	0.8052	0.73
273.15	0.9224	0.45
283.15	0.1245	2.53
283.15	0.2157	2.38
283.15	0.3070	2.25
283.15	0.3843	2.11
283.15	0.4903	1.97
283.15	0.6204	1.75
283.15	0.7102	1.55
283.15	0.8052	1.29
283.15	0.9224	0.80
293.15	0.1245	4.33
293.15	0.2157	4.07
293.15	0.3070	3.86
293.15	0.3843	3.61
293.15	0.4903	3.36
293.15	0.6204	2.97
293.15	0.7102	2.64
293.15	0.8052	2.20
293.15	0.9224	1.39
298.15	0.1245	5.57
298.15	0.2157	5.24
298.15	0.3070	4.97
298.15	0.3843	4.65
298.15	0.4903	4.33
298.15	0.6204	3.82
298.15	0.7102	3.39
298.15	0.8052	2.83
298.15	0.9224	1.80
303.15	0.1245	7.11
303.15	0.2157	6.69
303.15	0.3070	6.34
303.15	0.3843	5.92
303.15	0.4903	5.51
303.15	0.6204	4.87
303.15	0.7102	4.31
303.15	0.8052	3.60
303.15	0.9224	2.31
313.15	0.1245	11.24
313.15	0.2157	10.59
313.15	0.3070	10.03
313.15	0.3843	9.37
313.15	0.4903	8.71
313.15	0.6204	7.68
313.15	0.7102	6.81
313.15	0.8052	5.70
313.15	0.9224	3.73
323.15	0.1245	17.21
323.15	0.2157	16.22
323.15	0.3070	15.35
323.15	0.3843	14.33
323.15	0.4903	13.32
323.15	0.6204	11.74
323.15	0.7102	10.43
323.15	0.8052	8.75
323.15	0.9224	5.83
333.15	0.1245	25.56
333.15	0.2157	24.11
333.15	0.3070	22.80
333.15	0.3843	21.30
333.15	0.4903	19.79
333.15	0.6204	17.45
333.15	0.7102	15.51
333.15	0.8052	13.07
333.15	0.9224	8.88
343.15	0.1245	36.97
343.15	0.2157	34.89
343.15	0.3070	32.98
343.15	0.3843	30.84
343.15	0.4903	28.65
343.15	0.6204	25.25
343.15	0.7102	22.49
343.15	0.8052	19.03
343.15	0.9224	13.17
353.15	0.1245	52.19
353.15	0.2157	49.30
353.15	0.3070	46.55
353.15	0.3843	43.59
353.15	0.4903	40.50
353.15	0.6204	35.70
353.15	0.7102	31.87
353.15	0.8052	27.09
353.15	0.9224	19.11

Sources

• Vapour pressures and excess functions of (3,5; 2,6)dimethylpyridine + n-hexane, n-heptane and n-octane measurement and prediction