Mixture of Pyridine, 4-methyl- + o-Toluidine

Datasets

1. Excess molar enthalpy (molar enthalpy (2)
2. ρ_l - Mass density, kg/m3 (2)
3. c_sound,fluid - Speed of Sound, m/s (2)
4. Excess molar volume, m3/mol (2)

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

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 308.15 (Liquid)

Mole fraction of o-Toluidine (2) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.0426	-0.2441
0.0815	-0.4442
0.1339	-0.6958
0.1824	-0.8847
0.2243	-1.0299
0.2715	-1.1791
0.3196	-1.276
0.3825	-1.3884
0.4238	-1.4251
0.4783	-1.4295
0.5362	-1.4159
0.5915	-1.3452
0.6426	-1.2669
0.7121	-1.0918
0.7827	-0.8885
0.8211	-0.7456
0.8916	-0.4779
0.9672	-0.1509

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

Operational conditions:

• Pressure, kPa = 101 (Liquid)
• Temperature, K = 308.15 (Liquid)

Mole fraction of o-Toluidine (2) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
0.0426	-0.2441
0.0815	-0.4442
0.1339	-0.6958
0.1824	-0.8847
0.2243	-1.0299
0.2715	-1.1791
0.3196	-1.276
0.3825	-1.3884
0.4238	-1.4251
0.4783	-1.4295
0.5362	-1.4159
0.5915	-1.3452
0.6426	-1.2669
0.7121	-1.0918
0.7827	-0.8885
0.8211	-0.7456
0.8916	-0.4779
0.9672	-0.1509

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of o-Toluidine (2) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0525	953.707
298.15	0.1236	958.201
298.15	0.1357	958.939
298.15	0.1839	961.774
298.15	0.2328	964.507
298.15	0.2655	966.252
298.15	0.3023	968.154
298.15	0.3539	970.688
298.15	0.4133	973.431
298.15	0.4863	976.578
298.15	0.5256	978.183
298.15	0.5671	979.804
298.15	0.6272	982.039
298.15	0.6963	984.487
298.15	0.7674	986.874
298.15	0.8234	988.699
298.15	0.8657	990.061
298.15	0.9537	992.867
303.15	0.0525	949.033
303.15	0.1236	953.635
303.15	0.1357	954.384
303.15	0.1839	957.264
303.15	0.2328	960.045
303.15	0.2655	961.821
303.15	0.3023	963.746
303.15	0.3539	966.314
303.15	0.4133	969.1
303.15	0.4863	972.285
303.15	0.5256	973.912
303.15	0.5671	975.56
303.15	0.6272	977.832
303.15	0.6963	980.309
303.15	0.7674	982.738
303.15	0.8234	984.584
303.15	0.8657	985.955
303.15	0.9537	988.752
308.15	0.0525	944.539
308.15	0.1236	949.213
308.15	0.1357	949.974
308.15	0.1839	952.886
308.15	0.2328	955.673
308.15	0.2655	957.455
308.15	0.3023	959.382
308.15	0.3539	961.964
308.15	0.4133	964.753
308.15	0.4863	967.972
308.15	0.5256	969.611
308.15	0.5671	971.274
308.15	0.6272	973.587
308.15	0.6963	976.116
308.15	0.7674	978.601
308.15	0.8234	980.475
308.15	0.8657	981.851
308.15	0.9537	984.639

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of o-Toluidine (2) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0525	953.707
298.15	0.1236	958.201
298.15	0.1357	958.939
298.15	0.1839	961.774
298.15	0.2328	964.507
298.15	0.2655	966.252
298.15	0.3023	968.154
298.15	0.3539	970.688
298.15	0.4133	973.431
298.15	0.4863	976.578
298.15	0.5256	978.183
298.15	0.5671	979.804
298.15	0.6272	982.039
298.15	0.6963	984.487
298.15	0.7674	986.874
298.15	0.8234	988.699
298.15	0.8657	990.061
298.15	0.9537	992.867
303.15	0.0525	949.033
303.15	0.1236	953.635
303.15	0.1357	954.384
303.15	0.1839	957.264
303.15	0.2328	960.045
303.15	0.2655	961.821
303.15	0.3023	963.746
303.15	0.3539	966.314
303.15	0.4133	969.1
303.15	0.4863	972.285
303.15	0.5256	973.912
303.15	0.5671	975.56
303.15	0.6272	977.832
303.15	0.6963	980.309
303.15	0.7674	982.738
303.15	0.8234	984.584
303.15	0.8657	985.955
303.15	0.9537	988.752
308.15	0.0525	944.539
308.15	0.1236	949.213
308.15	0.1357	949.974
308.15	0.1839	952.886
308.15	0.2328	955.673
308.15	0.2655	957.455
308.15	0.3023	959.382
308.15	0.3539	961.964
308.15	0.4133	964.753
308.15	0.4863	967.972
308.15	0.5256	969.611
308.15	0.5671	971.274
308.15	0.6272	973.587
308.15	0.6963	976.116
308.15	0.7674	978.601
308.15	0.8234	980.475
308.15	0.8657	981.851
308.15	0.9537	984.639

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of o-Toluidine (2) - Liquid	Speed of sound, m/s - Liquid
298.15	0.0525	1440.47
298.15	0.1236	1452.63
298.15	0.1357	1454.76
298.15	0.1839	1463.07
298.15	0.2328	1471.42
298.15	0.2655	1477.06
298.15	0.3023	1483.43
298.15	0.3539	1492.21
298.15	0.4133	1502.38
298.15	0.4863	1514.71
298.15	0.5256	1521.3
298.15	0.5671	1528.18
298.15	0.6272	1538.27
298.15	0.6963	1549.77
298.15	0.7674	1561.7
298.15	0.8234	1571.19
298.15	0.8657	1578.4
298.15	0.9537	1594.01
303.15	0.0525	1419.49
303.15	0.1236	1431.8
303.15	0.1357	1433.88
303.15	0.1839	1442.48
303.15	0.2328	1451.15
303.15	0.2655	1457.05
303.15	0.3023	1463.54
303.15	0.3539	1472.66
303.15	0.4133	1482.95
303.15	0.4863	1495.46
303.15	0.5256	1501.91
303.15	0.5671	1508.74
303.15	0.6272	1518.44
303.15	0.6963	1529.17
303.15	0.7674	1540.2
303.15	0.8234	1548.77
303.15	0.8657	1555.38
303.15	0.9537	1569.8
308.15	0.0525	1399.3
308.15	0.1236	1412.25
308.15	0.1357	1414.39
308.15	0.1839	1423.22
308.15	0.2328	1432.14
308.15	0.2655	1438.07
308.15	0.3023	1444.65
308.15	0.3539	1453.88
308.15	0.4133	1464.36
308.15	0.4863	1476.8
308.15	0.5256	1483.19
308.15	0.5671	1490.05
308.15	0.6272	1499.66
308.15	0.6963	1510.43
308.15	0.7674	1521.35
308.15	0.8234	1529.96
308.15	0.8657	1536.57
308.15	0.9537	1550.6

Speed of sound, m/s [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of o-Toluidine (2) - Liquid	Speed of sound, m/s - Liquid
298.15	0.0525	1440.47
298.15	0.1236	1452.63
298.15	0.1357	1454.76
298.15	0.1839	1463.07
298.15	0.2328	1471.42
298.15	0.2655	1477.06
298.15	0.3023	1483.43
298.15	0.3539	1492.21
298.15	0.4133	1502.38
298.15	0.4863	1514.71
298.15	0.5256	1521.3
298.15	0.5671	1528.18
298.15	0.6272	1538.27
298.15	0.6963	1549.77
298.15	0.7674	1561.7
298.15	0.8234	1571.19
298.15	0.8657	1578.4
298.15	0.9537	1594.01
303.15	0.0525	1419.49
303.15	0.1236	1431.8
303.15	0.1357	1433.88
303.15	0.1839	1442.48
303.15	0.2328	1451.15
303.15	0.2655	1457.05
303.15	0.3023	1463.54
303.15	0.3539	1472.66
303.15	0.4133	1482.95
303.15	0.4863	1495.46
303.15	0.5256	1501.91
303.15	0.5671	1508.74
303.15	0.6272	1518.44
303.15	0.6963	1529.17
303.15	0.7674	1540.2
303.15	0.8234	1548.77
303.15	0.8657	1555.38
303.15	0.9537	1569.8
308.15	0.0525	1399.3
308.15	0.1236	1412.25
308.15	0.1357	1414.39
308.15	0.1839	1423.22
308.15	0.2328	1432.14
308.15	0.2655	1438.07
308.15	0.3023	1444.65
308.15	0.3539	1453.88
308.15	0.4133	1464.36
308.15	0.4863	1476.8
308.15	0.5256	1483.19
308.15	0.5671	1490.05
308.15	0.6272	1499.66
308.15	0.6963	1510.43
308.15	0.7674	1521.35
308.15	0.8234	1529.96
308.15	0.8657	1536.57
308.15	0.9537	1550.6

Excess molar volume, m3/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of o-Toluidine (2) - Liquid	Excess molar volume, m3/mol - Liquid
298.15	0.0525	-1.0230e-07
298.15	0.1236	-2.1630e-07
298.15	0.1357	-2.3350e-07
298.15	0.1839	-2.9270e-07
298.15	0.2328	-3.4040e-07
298.15	0.2655	-3.6500e-07
298.15	0.3023	-3.8760e-07
298.15	0.3539	-4.0780e-07
298.15	0.4133	-4.1590e-07
298.15	0.4863	-4.0680e-07
298.15	0.5256	-3.9450e-07
298.15	0.5671	-3.7510e-07
298.15	0.6272	-3.3760e-07
298.15	0.6963	-2.8510e-07
298.15	0.7674	-2.2090e-07
298.15	0.8234	-1.6690e-07
298.15	0.8657	-1.2590e-07
298.15	0.9537	-4.1400e-08
303.15	0.0525	-1.0930e-07
303.15	0.1236	-2.3090e-07
303.15	0.1357	-2.4850e-07
303.15	0.1839	-3.0970e-07
303.15	0.2328	-3.5950e-07
303.15	0.2655	-3.8540e-07
303.15	0.3023	-4.0810e-07
303.15	0.3539	-4.2850e-07
303.15	0.4133	-4.3720e-07
303.15	0.4863	-4.2710e-07
303.15	0.5256	-4.1430e-07
303.15	0.5671	-3.9480e-07
303.15	0.6272	-3.5690e-07
303.15	0.6963	-3.0250e-07
303.15	0.7674	-2.3740e-07
303.15	0.8234	-1.8150e-07
303.15	0.8657	-1.3820e-07
303.15	0.9537	-4.6200e-08
308.15	0.0525	-1.1820e-07
308.15	0.1236	-2.4510e-07
308.15	0.1357	-2.6370e-07
308.15	0.1839	-3.2650e-07
308.15	0.2328	-3.7510e-07
308.15	0.2655	-4.0040e-07
308.15	0.3023	-4.2180e-07
308.15	0.3539	-4.4140e-07
308.15	0.4133	-4.4770e-07
308.15	0.4863	-4.3780e-07
308.15	0.5256	-4.2430e-07
308.15	0.5671	-4.0430e-07
308.15	0.6272	-3.6770e-07
308.15	0.6963	-3.1510e-07
308.15	0.7674	-2.5210e-07
308.15	0.8234	-1.9620e-07
308.15	0.8657	-1.5110e-07
308.15	0.9537	-5.3400e-08

Excess molar volume, m3/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of o-Toluidine (2) - Liquid	Excess molar volume, m3/mol - Liquid
298.15	0.0525	-1.0230e-07
298.15	0.1236	-2.1630e-07
298.15	0.1357	-2.3350e-07
298.15	0.1839	-2.9270e-07
298.15	0.2328	-3.4040e-07
298.15	0.2655	-3.6500e-07
298.15	0.3023	-3.8760e-07
298.15	0.3539	-4.0780e-07
298.15	0.4133	-4.1590e-07
298.15	0.4863	-4.0680e-07
298.15	0.5256	-3.9450e-07
298.15	0.5671	-3.7510e-07
298.15	0.6272	-3.3760e-07
298.15	0.6963	-2.8510e-07
298.15	0.7674	-2.2090e-07
298.15	0.8234	-1.6690e-07
298.15	0.8657	-1.2590e-07
298.15	0.9537	-4.1400e-08
303.15	0.0525	-1.0930e-07
303.15	0.1236	-2.3090e-07
303.15	0.1357	-2.4850e-07
303.15	0.1839	-3.0970e-07
303.15	0.2328	-3.5950e-07
303.15	0.2655	-3.8540e-07
303.15	0.3023	-4.0810e-07
303.15	0.3539	-4.2850e-07
303.15	0.4133	-4.3720e-07
303.15	0.4863	-4.2710e-07
303.15	0.5256	-4.1430e-07
303.15	0.5671	-3.9480e-07
303.15	0.6272	-3.5690e-07
303.15	0.6963	-3.0250e-07
303.15	0.7674	-2.3740e-07
303.15	0.8234	-1.8150e-07
303.15	0.8657	-1.3820e-07
303.15	0.9537	-4.6200e-08
308.15	0.0525	-1.1820e-07
308.15	0.1236	-2.4510e-07
308.15	0.1357	-2.6370e-07
308.15	0.1839	-3.2650e-07
308.15	0.2328	-3.7510e-07
308.15	0.2655	-4.0040e-07
308.15	0.3023	-4.2180e-07
308.15	0.3539	-4.4140e-07
308.15	0.4133	-4.4770e-07
308.15	0.4863	-4.3780e-07
308.15	0.5256	-4.2430e-07
308.15	0.5671	-4.0430e-07
308.15	0.6272	-3.6770e-07
308.15	0.6963	-3.1510e-07
308.15	0.7674	-2.5210e-07
308.15	0.8234	-1.9620e-07
308.15	0.8657	-1.5110e-07
308.15	0.9537	-5.3400e-08

Sources

• Thermodynamic studies of molecular interactions in mixtures of o-toulidine with pyridine and picolines: Excess molar volumes, excess molar enthalpies, and excess isentropic compressibilities