Mixture of Toluene + Octane

Datasets

1. Mole fraction (2)
2. P_vap - Vapor or sublimation pressure, kPa (2)
3. n₀ - Refractive index (Na D-line) (2)
4. ρ_l - Mass density, kg/m3 (6)
5. c_sound,fluid - Speed of Sound, m/s (2)

Mole fraction of Octane (2) [ref]

Fixed		Measured
Mole fraction of Octane (2) - Liquid	Temperature, K - Gas	Mole fraction of Octane (2) - Gas
0.1859	323.20	0.1278
0.3985	323.20	0.2756
0.5966	323.20	0.4301
0.8004	323.20	0.6588
0.2014	343.20	0.1451
0.3987	343.20	0.2871
0.5874	343.20	0.4397
0.7863	343.20	0.6451
0.1963	363.20	0.1498
0.4006	363.20	0.2971
0.5834	363.20	0.4583
0.7968	363.20	0.6743

Mole fraction of Octane (2) [ref]

Fixed		Measured
Mole fraction of Octane (2) - Liquid	Temperature, K - Gas	Mole fraction of Octane (2) - Gas
0.1859	323.20	0.1278
0.3985	323.20	0.2756
0.5966	323.20	0.4301
0.8004	323.20	0.6588
0.2014	343.20	0.1451
0.3987	343.20	0.2871
0.5874	343.20	0.4397
0.7863	343.20	0.6451
0.1963	363.20	0.1498
0.4006	363.20	0.2971
0.5834	363.20	0.4583
0.7968	363.20	0.6743

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Octane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1859	323.20	11.40
0.3985	323.20	10.50
0.5966	323.20	9.40
0.8004	323.20	8.10
0.2014	343.20	25.60
0.3987	343.20	23.50
0.5874	343.20	21.60
0.7863	343.20	19.00
0.1963	363.20	51.00
0.4006	363.20	47.70
0.5834	363.20	43.90
0.7968	363.20	39.00

Vapor or sublimation pressure, kPa [ref]

Fixed		Measured
Mole fraction of Octane (2) - Liquid	Temperature, K - Liquid	Vapor or sublimation pressure, kPa - Liquid
0.1859	323.20	11.40
0.3985	323.20	10.50
0.5966	323.20	9.40
0.8004	323.20	8.10
0.2014	343.20	25.60
0.3987	343.20	23.50
0.5874	343.20	21.60
0.7863	343.20	19.00
0.1963	363.20	51.00
0.4006	363.20	47.70
0.5834	363.20	43.90
0.7968	363.20	39.00

Refractive index (Na D-line) [ref]

Operational conditions:

• Temperature, K = 313.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Mole fraction of Octane (2) - Liquid	Refractive index (Na D-line) - Liquid
0.0000	1.4851
0.0542	1.4771
0.1022	1.4698
0.2014	1.4567
0.3037	1.4446
0.3965	1.4336
0.4983	1.4247
0.5986	1.4157
0.7016	1.4075
0.8007	1.4005
0.9020	1.3938
0.9493	1.3908
1.0000	1.3877

Refractive index (Na D-line) [ref]

Operational conditions:

• Temperature, K = 313.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Mole fraction of Octane (2) - Liquid	Refractive index (Na D-line) - Liquid
0.0000	1.4851
0.0542	1.4771
0.1022	1.4698
0.2014	1.4567
0.3037	1.4446
0.3965	1.4336
0.4983	1.4247
0.5986	1.4157
0.7016	1.4075
0.8007	1.4005
0.9020	1.3938
0.9493	1.3908
1.0000	1.3877

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Octane (2) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0000	862.29
298.15	0.0654	845.89
298.15	0.1283	831.23
298.15	0.1979	816.17
298.15	0.2524	805.13
298.15	0.3120	793.74
298.15	0.3931	779.27
298.15	0.4544	769.05
298.15	0.5409	755.59
298.15	0.6029	746.56
298.15	0.6717	737.09
298.15	0.7202	730.75
298.15	0.8064	720.08
298.15	0.8727	712.36
298.15	0.9312	705.88
298.15	1.0000	698.61
308.15	0.0000	852.86
308.15	0.0654	836.6
308.15	0.1283	822.06
308.15	0.1979	807.1
308.15	0.2524	796.14
308.15	0.3120	784.82
308.15	0.3931	770.46
308.15	0.4544	760.31
308.15	0.5409	746.93
308.15	0.6029	737.98
308.15	0.6717	728.58
308.15	0.7202	722.3
308.15	0.8064	711.7
308.15	0.8727	704.05
308.15	0.9312	697.62
308.15	1.0000	690.44
318.15	0.0000	843.6
318.15	0.0675	826.95
318.15	0.1229	814.22
318.15	0.2052	796.69
318.15	0.2613	785.56
318.15	0.3142	775.67
318.15	0.3980	761.0
318.15	0.4553	751.61
318.15	0.5388	738.82
318.15	0.6078	728.94
318.15	0.6679	720.81
318.15	0.7262	713.32
318.15	0.7985	704.51
318.15	0.8630	697.07
318.15	0.9143	691.43
318.15	1.0000	682.49
328.15	0.0000	834.29
328.15	0.0675	817.77
328.15	0.1229	805.12
328.15	0.2052	787.73
328.15	0.2613	776.68
328.15	0.3142	766.87
328.15	0.3980	752.32
328.15	0.4553	743.01
328.15	0.5388	730.32
328.15	0.6078	720.55
328.15	0.6679	712.48
328.15	0.7262	705.06
328.15	0.7985	696.33
328.15	0.8630	688.97
328.15	0.9143	683.39
328.15	1.0000	674.55

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 313.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Mole fraction of Octane (2) - Liquid	Mass density, kg/m3 - Liquid
0.0000	848.0
0.0542	834.6
0.1022	823.4
0.2014	802.0
0.3037	782.0
0.3965	765.5
0.4983	749.1
0.5986	734.3
0.7016	720.5
0.8007	708.4
0.9020	696.6
0.9493	691.6
1.0000	686.3

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 101.3 (Liquid)

Mole fraction of Octane (2) - Liquid	Mass density, kg/m3 - Liquid
0.0000	862.17
0.0982	838.13
0.1977	816.31
0.2975	796.62
0.3983	778.64
0.5005	761.92
0.5988	747.35
0.6990	733.63
0.7966	721.31
0.8955	709.92
1.0000	698.6

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of Octane (2) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0000	862.29
298.15	0.0654	845.89
298.15	0.1283	831.23
298.15	0.1979	816.17
298.15	0.2524	805.13
298.15	0.3120	793.74
298.15	0.3931	779.27
298.15	0.4544	769.05
298.15	0.5409	755.59
298.15	0.6029	746.56
298.15	0.6717	737.09
298.15	0.7202	730.75
298.15	0.8064	720.08
298.15	0.8727	712.36
298.15	0.9312	705.88
298.15	1.0000	698.61
308.15	0.0000	852.86
308.15	0.0654	836.6
308.15	0.1283	822.06
308.15	0.1979	807.1
308.15	0.2524	796.14
308.15	0.3120	784.82
308.15	0.3931	770.46
308.15	0.4544	760.31
308.15	0.5409	746.93
308.15	0.6029	737.98
308.15	0.6717	728.58
308.15	0.7202	722.3
308.15	0.8064	711.7
308.15	0.8727	704.05
308.15	0.9312	697.62
308.15	1.0000	690.44
318.15	0.0000	843.6
318.15	0.0675	826.95
318.15	0.1229	814.22
318.15	0.2052	796.69
318.15	0.2613	785.56
318.15	0.3142	775.67
318.15	0.3980	761.0
318.15	0.4553	751.61
318.15	0.5388	738.82
318.15	0.6078	728.94
318.15	0.6679	720.81
318.15	0.7262	713.32
318.15	0.7985	704.51
318.15	0.8630	697.07
318.15	0.9143	691.43
318.15	1.0000	682.49
328.15	0.0000	834.29
328.15	0.0675	817.77
328.15	0.1229	805.12
328.15	0.2052	787.73
328.15	0.2613	776.68
328.15	0.3142	766.87
328.15	0.3980	752.32
328.15	0.4553	743.01
328.15	0.5388	730.32
328.15	0.6078	720.55
328.15	0.6679	712.48
328.15	0.7262	705.06
328.15	0.7985	696.33
328.15	0.8630	688.97
328.15	0.9143	683.39
328.15	1.0000	674.55

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 313.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Mole fraction of Octane (2) - Liquid	Mass density, kg/m3 - Liquid
0.0000	848.0
0.0542	834.6
0.1022	823.4
0.2014	802.0
0.3037	782.0
0.3965	765.5
0.4983	749.1
0.5986	734.3
0.7016	720.5
0.8007	708.4
0.9020	696.6
0.9493	691.6
1.0000	686.3

Mass density, kg/m3 [ref]

Operational conditions:

• Temperature, K = 298.15 (Liquid)
• Pressure, kPa = 101.3 (Liquid)

Mole fraction of Octane (2) - Liquid	Mass density, kg/m3 - Liquid
0.0000	862.17
0.0982	838.13
0.1977	816.31
0.2975	796.62
0.3983	778.64
0.5005	761.92
0.5988	747.35
0.6990	733.63
0.7966	721.31
0.8955	709.92
1.0000	698.6

Speed of sound, m/s [ref]

Operational conditions:

• Temperature, K = 313.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Mole fraction of Octane (2) - Liquid	Speed of sound, m/s - Liquid
0.0000	1240.7
0.0542	1226.2
0.1022	1214.8
0.2014	1194.1
0.3037	1176.2
0.3965	1162.3
0.4983	1149.7
0.5986	1139.1
0.7016	1130.0
0.8007	1122.5
0.9020	1116.1
0.9493	1113.1
1.0000	1110.6

Speed of sound, m/s [ref]

Operational conditions:

• Temperature, K = 313.15 (Liquid)
• Pressure, kPa = 101 (Liquid)

Mole fraction of Octane (2) - Liquid	Speed of sound, m/s - Liquid
0.0000	1240.7
0.0542	1226.2
0.1022	1214.8
0.2014	1194.1
0.3037	1176.2
0.3965	1162.3
0.4983	1149.7
0.5986	1139.1
0.7016	1130.0
0.8007	1122.5
0.9020	1116.1
0.9493	1113.1
1.0000	1110.6

Sources

• Excess molar volumes of (octane + benzene, or toluene, or 1,3-xylene, or 1,3,5-trimethylbenzene) at temperatures between (298.15 and 328.15) K
• Experimental densities, refractive indices, and speeds of sound of 12 binary mixtures containing alkanes and aromatic compounds at T = 313.15 K
• Separation of toluene from alkanes using 1-ethyl-3-methylpyridinium ethylsulfate ionic liquid at T = 298.15 K and atmospheric pressure
• Vapor Liquid Equilibria for (n-Hexane, n-Octane, Cyclohexane, or 2,3-Dimethylpentane) + Toluene + {[4empy][Tf2N] (0.3) + [emim][DCA] (0.7)} Mixed Ionic Liquids