- Name
- Methane
- InChI
- InChI=1S/CH4/h1H4
- InChI Key
- VNWKTOKETHGBQD-UHFFFAOYSA-N
- Formula
- CH4
- SMILES
- C
- Mol. Weight (g/mol)
- 16.04
- CAS
- 74-82-8
- Name
- Pentane
- InChI
- InChI=1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3
- InChI Key
- OFBQJSOFQDEBGM-UHFFFAOYSA-N
- Formula
- C5H12
- SMILES
- CCCCC
- Mol. Weight (g/mol)
- 72.15
- CAS
- 109-66-0
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Datasets
- Mole fraction (4)
- Pvap - Vapor or sublimation pressure, kPa (2)
- ρg - Mass density, kg/m3 (4)
- ρl - Mass density, kg/m3 (4)
- γ - Surface tension liquid-gas, N/m (4)
- Vapor or sublimation pressure, kPa (2)
Mole fraction of Methane (1) [ref]
Operational condition: Temperature, K = 313.15 (Gas)
| Mole fraction of Methane (1) - Liquid | Mole fraction of Methane (1) - Gas |
|---|---|
| 0.0480 | 0.8230 |
| 0.1010 | 0.8860 |
| 0.1810 | 0.9230 |
| 0.2630 | 0.9250 |
| 0.3510 | 0.9180 |
| 0.4300 | 0.8960 |
| 0.5010 | 0.8710 |
Mole fraction of Methane (1)
Mole fraction of Methane (1)
0.82
0.84
0.86
0.88
0.9
0.92
0.2
0.4
Mole fraction of Pentane (2) [ref]
| Fixed | Measured | |
|---|---|---|
| Mole fraction of Methane (1) - Liquid | Temperature, K - Gas | Mole fraction of Pentane (2) - Gas |
| 0.5060 | 243.21 | 0.0094 |
| 0.5140 | 243.31 | 0.0098 |
| 0.5320 | 233.26 | 0.0068 |
| 0.5360 | 223.31 | 0.0043 |
| 0.5570 | 223.28 | 0.0048 |
| 0.5940 | 213.33 | 0.0034 |
| 0.6680 | 203.42 | 0.0020 |
| 0.9380 | 188.43 | 0.0006 |
| 0.9960 | 173.43 | 0.0001 |
Mole fraction of Methane (1) [ref]
Operational condition: Temperature, K = 313.15 (Gas)
| Mole fraction of Methane (1) - Liquid | Mole fraction of Methane (1) - Gas |
|---|---|
| 0.0480 | 0.8230 |
| 0.1010 | 0.8860 |
| 0.1810 | 0.9230 |
| 0.2630 | 0.9250 |
| 0.3510 | 0.9180 |
| 0.4300 | 0.8960 |
| 0.5010 | 0.8710 |
Mole fraction of Methane (1)
Mole fraction of Methane (1)
0.82
0.84
0.86
0.88
0.9
0.92
0.2
0.4
Mole fraction of Pentane (2) [ref]
| Fixed | Measured | |
|---|---|---|
| Mole fraction of Methane (1) - Liquid | Temperature, K - Gas | Mole fraction of Pentane (2) - Gas |
| 0.5060 | 243.21 | 0.0094 |
| 0.5140 | 243.31 | 0.0098 |
| 0.5320 | 233.26 | 0.0068 |
| 0.5360 | 223.31 | 0.0043 |
| 0.5570 | 223.28 | 0.0048 |
| 0.5940 | 213.33 | 0.0034 |
| 0.6680 | 203.42 | 0.0020 |
| 0.9380 | 188.43 | 0.0006 |
| 0.9960 | 173.43 | 0.0001 |
Vapor or sublimation pressure, kPa [ref]
| Fixed | Measured | |
|---|---|---|
| Mole fraction of Methane (1) - Liquid | Temperature, K - Liquid | Vapor or sublimation pressure, kPa - Liquid |
| 0.5060 | 243.21 | 7641.00 |
| 0.5140 | 243.31 | 7943.00 |
| 0.5320 | 233.26 | 7273.00 |
| 0.5360 | 223.31 | 6444.00 |
| 0.5570 | 223.28 | 6594.00 |
| 0.5940 | 213.33 | 5896.00 |
| 0.6680 | 203.42 | 5183.00 |
| 0.9380 | 188.43 | 3937.00 |
| 0.9960 | 173.43 | 2417.00 |
Vapor or sublimation pressure, kPa [ref]
| Fixed | Measured | |
|---|---|---|
| Mole fraction of Methane (1) - Liquid | Temperature, K - Liquid | Vapor or sublimation pressure, kPa - Liquid |
| 0.5060 | 243.21 | 7641.00 |
| 0.5140 | 243.31 | 7943.00 |
| 0.5320 | 233.26 | 7273.00 |
| 0.5360 | 223.31 | 6444.00 |
| 0.5570 | 223.28 | 6594.00 |
| 0.5940 | 213.33 | 5896.00 |
| 0.6680 | 203.42 | 5183.00 |
| 0.9380 | 188.43 | 3937.00 |
| 0.9960 | 173.43 | 2417.00 |
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 313.15 (Gas)
| Mole fraction of Methane (1) - Liquid | Mass density, kg/m3 - Gas |
|---|---|
| 0.0480 | 16.7 |
| 0.1010 | 27.2 |
| 0.1810 | 40.0 |
| 0.2630 | 59.3 |
| 0.3510 | 86.2 |
| 0.4300 | 116.0 |
| 0.5010 | 151.4 |
Mole fraction of Methane (1)
Mass density, kg/m3
20
40
60
80
100
120
140
160
0.2
0.4
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 294.15 (Gas)
| Pressure, kPa - Gas | Mass density, kg/m3 - Gas |
|---|---|
| 1895.00 | 14.1 |
| 2578.00 | 20.1 |
| 3366.00 | 23.8 |
| 3715.00 | 26.3 |
| 4448.00 | 31.7 |
| 5066.00 | 37.0 |
| 5687.00 | 41.8 |
| 5899.00 | 49.3 |
| 6461.00 | 48.1 |
| 6961.00 | 59.8 |
| 7451.00 | 64.8 |
| 8228.00 | 72.9 |
| 8888.00 | 79.4 |
| 9663.00 | 79.1 |
| 10665.00 | 85.1 |
Pressure, kPa
Mass density, kg/m3
20
40
60
80
5000
10000
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 313.15 (Gas)
| Mole fraction of Methane (1) - Liquid | Mass density, kg/m3 - Gas |
|---|---|
| 0.0480 | 16.7 |
| 0.1010 | 27.2 |
| 0.1810 | 40.0 |
| 0.2630 | 59.3 |
| 0.3510 | 86.2 |
| 0.4300 | 116.0 |
| 0.5010 | 151.4 |
Mole fraction of Methane (1)
Mass density, kg/m3
20
40
60
80
100
120
140
160
0.2
0.4
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 294.15 (Gas)
| Pressure, kPa - Gas | Mass density, kg/m3 - Gas |
|---|---|
| 1895.00 | 14.1 |
| 2578.00 | 20.1 |
| 3366.00 | 23.8 |
| 3715.00 | 26.3 |
| 4448.00 | 31.7 |
| 5066.00 | 37.0 |
| 5687.00 | 41.8 |
| 5899.00 | 49.3 |
| 6461.00 | 48.1 |
| 6961.00 | 59.8 |
| 7451.00 | 64.8 |
| 8228.00 | 72.9 |
| 8888.00 | 79.4 |
| 9663.00 | 79.1 |
| 10665.00 | 85.1 |
Pressure, kPa
Mass density, kg/m3
20
40
60
80
5000
10000
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 313.15 (Liquid)
| Mole fraction of Methane (1) - Liquid | Mass density, kg/m3 - Liquid |
|---|---|
| 0.0480 | 594.4 |
| 0.1010 | 581.0 |
| 0.1810 | 558.8 |
| 0.2630 | 533.1 |
| 0.3510 | 501.8 |
| 0.4300 | 466.3 |
| 0.5010 | 431.5 |
Mole fraction of Methane (1)
Mass density, kg/m3
450
500
550
600
0.2
0.4
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 294.15 (Liquid)
| Pressure, kPa - Liquid | Mass density, kg/m3 - Liquid |
|---|---|
| 1895.00 | 605.5 |
| 2578.00 | 600.0 |
| 3366.00 | 591.2 |
| 3715.00 | 588.6 |
| 4448.00 | 582.0 |
| 5066.00 | 575.6 |
| 5687.00 | 568.1 |
| 5899.00 | 567.3 |
| 6461.00 | 560.2 |
| 6961.00 | 555.9 |
| 7451.00 | 550.2 |
| 8228.00 | 540.9 |
| 8888.00 | 532.5 |
| 9663.00 | 521.2 |
| 10665.00 | 505.6 |
Pressure, kPa
Mass density, kg/m3
500
520
540
560
580
600
5000
10000
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 313.15 (Liquid)
| Mole fraction of Methane (1) - Liquid | Mass density, kg/m3 - Liquid |
|---|---|
| 0.0480 | 594.4 |
| 0.1010 | 581.0 |
| 0.1810 | 558.8 |
| 0.2630 | 533.1 |
| 0.3510 | 501.8 |
| 0.4300 | 466.3 |
| 0.5010 | 431.5 |
Mole fraction of Methane (1)
Mass density, kg/m3
450
500
550
600
0.2
0.4
Mass density, kg/m3 [ref]
Operational condition: Temperature, K = 294.15 (Liquid)
| Pressure, kPa - Liquid | Mass density, kg/m3 - Liquid |
|---|---|
| 1895.00 | 605.5 |
| 2578.00 | 600.0 |
| 3366.00 | 591.2 |
| 3715.00 | 588.6 |
| 4448.00 | 582.0 |
| 5066.00 | 575.6 |
| 5687.00 | 568.1 |
| 5899.00 | 567.3 |
| 6461.00 | 560.2 |
| 6961.00 | 555.9 |
| 7451.00 | 550.2 |
| 8228.00 | 540.9 |
| 8888.00 | 532.5 |
| 9663.00 | 521.2 |
| 10665.00 | 505.6 |
Pressure, kPa
Mass density, kg/m3
500
520
540
560
580
600
5000
10000
Surface tension liquid-gas, N/m [ref]
Operational condition: Temperature, K = 313.15 (Liquid)
| Mole fraction of Methane (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
|---|---|
| 0.0480 | 0.0120 |
| 0.1010 | 0.0101 |
| 0.1810 | 0.0076 |
| 0.2630 | 0.0054 |
| 0.3510 | 0.0033 |
| 0.4300 | 0.0017 |
| 0.5010 | 0.0008 |
Mole fraction of Methane (1)
Surface tension liquid-gas, N/m
0
2.00e-3
4.00e-3
6.00e-3
8.00e-3
0.01
0.01
0.2
0.4
Surface tension liquid-gas, N/m [ref]
Operational condition: Temperature, K = 294.15 (Liquid)
| Pressure, kPa - Liquid | Surface tension liquid-gas, N/m - Liquid |
|---|---|
| 1895.00 | 0.0119 |
| 2578.00 | 0.0108 |
| 3366.00 | 0.0099 |
| 3715.00 | 0.0093 |
| 4448.00 | 0.0084 |
| 5066.00 | 0.0076 |
| 5687.00 | 0.0068 |
| 5899.00 | 0.0062 |
| 6461.00 | 0.0061 |
| 6961.00 | 0.0053 |
| 7451.00 | 0.0050 |
| 8228.00 | 0.0043 |
| 8888.00 | 0.0038 |
| 9663.00 | 0.0033 |
| 10665.00 | 0.0027 |
Pressure, kPa
Surface tension liquid-gas, N/m
2.00e-3
4.00e-3
6.00e-3
8.00e-3
0.01
0.01
5000
10000
Surface tension liquid-gas, N/m [ref]
Operational condition: Temperature, K = 313.15 (Liquid)
| Mole fraction of Methane (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
|---|---|
| 0.0480 | 0.0120 |
| 0.1010 | 0.0101 |
| 0.1810 | 0.0076 |
| 0.2630 | 0.0054 |
| 0.3510 | 0.0033 |
| 0.4300 | 0.0017 |
| 0.5010 | 0.0008 |
Mole fraction of Methane (1)
Surface tension liquid-gas, N/m
0
2.00e-3
4.00e-3
6.00e-3
8.00e-3
0.01
0.01
0.2
0.4
Surface tension liquid-gas, N/m [ref]
Operational condition: Temperature, K = 294.15 (Liquid)
| Pressure, kPa - Liquid | Surface tension liquid-gas, N/m - Liquid |
|---|---|
| 1895.00 | 0.0119 |
| 2578.00 | 0.0108 |
| 3366.00 | 0.0099 |
| 3715.00 | 0.0093 |
| 4448.00 | 0.0084 |
| 5066.00 | 0.0076 |
| 5687.00 | 0.0068 |
| 5899.00 | 0.0062 |
| 6461.00 | 0.0061 |
| 6961.00 | 0.0053 |
| 7451.00 | 0.0050 |
| 8228.00 | 0.0043 |
| 8888.00 | 0.0038 |
| 9663.00 | 0.0033 |
| 10665.00 | 0.0027 |
Pressure, kPa
Surface tension liquid-gas, N/m
2.00e-3
4.00e-3
6.00e-3
8.00e-3
0.01
0.01
5000
10000
Vapor or sublimation pressure, kPa [ref]
Operational condition: Temperature, K = 313.15 (Gas)
| Mole fraction of Methane (1) - Liquid | Vapor or sublimation pressure, kPa - Gas |
|---|---|
| 0.0480 | 1100.00 |
| 0.1010 | 2600.00 |
| 0.1810 | 5100.00 |
| 0.2630 | 7600.00 |
| 0.3510 | 10100.00 |
| 0.4300 | 12600.00 |
| 0.5010 | 14200.00 |
Mole fraction of Methane (1)
Vapor or sublimation pressure, kPa
0
2000
4000
6000
8000
10000
12000
14000
0.2
0.4
Vapor or sublimation pressure, kPa [ref]
Operational condition: Temperature, K = 313.15 (Gas)
| Mole fraction of Methane (1) - Liquid | Vapor or sublimation pressure, kPa - Gas |
|---|---|
| 0.0480 | 1100.00 |
| 0.1010 | 2600.00 |
| 0.1810 | 5100.00 |
| 0.2630 | 7600.00 |
| 0.3510 | 10100.00 |
| 0.4300 | 12600.00 |
| 0.5010 | 14200.00 |
Mole fraction of Methane (1)
Vapor or sublimation pressure, kPa
0
2000
4000
6000
8000
10000
12000
14000
0.2
0.4
Sources
- Surface tension, density and composition in the methane-pentane system at high pressure
- Equilibrium Phase Densities, Interfacial Tensions for the Ethane + n-Pentane System at 294.15 K
- Vapor-Liquid Equilibria Measurements of the Methane + Pentane and Methane + Hexane Systems at Temperatures from (173 to 330) K and Pressures to 14 MPa