- Name
- Piperazine, 1-methyl-
- InChI
- InChI=1S/C5H12N2/c1-7-4-2-6-3-5-7/h6H,2-5H2,1H3
- InChI Key
- PVOAHINGSUIXLS-UHFFFAOYSA-N
- Formula
- C5H12N2
- SMILES
- CN1CCNCC1
- Mol. Weight (g/mol)
- 100.16
- CAS
- 109-01-3
- Name
- Water
- InChI
- InChI=1S/H2O/h1H2
- InChI Key
- XLYOFNOQVPJJNP-UHFFFAOYSA-N
- Formula
- H2O
- SMILES
- O
- Mol. Weight (g/mol)
- 18.02
- CAS
- 7732-18-5
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Datasets
- Cp,liquid - Molar heat capacity at constant pressure, J/K/mol (2)
- η - Viscosity, Pa*s (2)
- Excess molar enthalpy (molar enthalpy (4)
- n0 - Refractive index (Na D-line) (2)
- ρl - Mass density, kg/m3 (2)
- γ - Surface tension liquid-gas, N/m (2)
Molar heat capacity at constant pressure, J/K/mol [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Molar heat capacity at constant pressure, J/K/mol - Liquid |
| 298.15 | 0.0990 | 99.40 |
| 303.15 | 0.0990 | 100.60 |
| 308.15 | 0.0990 | 101.60 |
| 313.15 | 0.0990 | 102.70 |
| 318.15 | 0.0990 | 103.70 |
| 323.15 | 0.0990 | 104.60 |
| 328.15 | 0.0990 | 105.60 |
| 333.15 | 0.0990 | 106.10 |
| 338.15 | 0.0990 | 106.60 |
| 343.15 | 0.0990 | 107.30 |
| 348.15 | 0.0990 | 108.20 |
| 353.15 | 0.0990 | 109.00 |
| 298.15 | 0.1998 | 116.00 |
| 303.15 | 0.1998 | 117.30 |
| 308.15 | 0.1998 | 118.60 |
| 313.15 | 0.1998 | 119.90 |
| 318.15 | 0.1998 | 120.80 |
| 323.15 | 0.1998 | 122.10 |
| 328.15 | 0.1998 | 123.50 |
| 333.15 | 0.1998 | 124.80 |
| 338.15 | 0.1998 | 126.10 |
| 343.15 | 0.1998 | 127.30 |
| 348.15 | 0.1998 | 128.50 |
| 353.15 | 0.1998 | 129.70 |
| 298.15 | 0.2995 | 128.80 |
| 303.15 | 0.2995 | 130.40 |
| 308.15 | 0.2995 | 131.90 |
| 313.15 | 0.2995 | 133.40 |
| 318.15 | 0.2995 | 134.60 |
| 323.15 | 0.2995 | 136.20 |
| 328.15 | 0.2995 | 137.80 |
| 333.15 | 0.2995 | 139.40 |
| 338.15 | 0.2995 | 140.90 |
| 343.15 | 0.2995 | 142.40 |
| 348.15 | 0.2995 | 143.80 |
| 353.15 | 0.2995 | 145.20 |
| 298.15 | 0.4009 | 141.40 |
| 303.15 | 0.4009 | 143.30 |
| 308.15 | 0.4009 | 144.80 |
| 313.15 | 0.4009 | 146.40 |
| 318.15 | 0.4009 | 147.70 |
| 323.15 | 0.4009 | 149.30 |
| 328.15 | 0.4009 | 151.10 |
| 333.15 | 0.4009 | 153.30 |
| 338.15 | 0.4009 | 154.40 |
| 343.15 | 0.4009 | 156.00 |
| 348.15 | 0.4009 | 157.60 |
| 353.15 | 0.4009 | 159.20 |
| 298.15 | 0.4983 | 153.80 |
| 303.15 | 0.4983 | 155.60 |
| 308.15 | 0.4983 | 157.10 |
| 313.15 | 0.4983 | 158.60 |
| 318.15 | 0.4983 | 159.80 |
| 323.15 | 0.4983 | 161.40 |
| 328.15 | 0.4983 | 163.00 |
| 333.15 | 0.4983 | 165.50 |
| 338.15 | 0.4983 | 166.80 |
| 343.15 | 0.4983 | 168.20 |
| 348.15 | 0.4983 | 170.00 |
| 353.15 | 0.4983 | 171.50 |
| 298.15 | 0.6007 | 166.60 |
| 303.15 | 0.6007 | 168.20 |
| 308.15 | 0.6007 | 169.70 |
| 313.15 | 0.6007 | 171.30 |
| 318.15 | 0.6007 | 172.70 |
| 323.15 | 0.6007 | 174.00 |
| 328.15 | 0.6007 | 175.30 |
| 333.15 | 0.6007 | 177.30 |
| 338.15 | 0.6007 | 178.40 |
| 343.15 | 0.6007 | 179.80 |
| 348.15 | 0.6007 | 181.60 |
| 353.15 | 0.6007 | 183.00 |
| 298.15 | 0.6994 | 179.00 |
| 303.15 | 0.6994 | 180.50 |
| 308.15 | 0.6994 | 182.00 |
| 313.15 | 0.6994 | 183.40 |
| 318.15 | 0.6994 | 184.70 |
| 323.15 | 0.6994 | 185.70 |
| 328.15 | 0.6994 | 186.90 |
| 333.15 | 0.6994 | 188.20 |
| 338.15 | 0.6994 | 189.00 |
| 343.15 | 0.6994 | 190.60 |
| 348.15 | 0.6994 | 192.40 |
| 353.15 | 0.6994 | 193.80 |
| 298.15 | 0.7992 | 191.40 |
| 303.15 | 0.7992 | 192.70 |
| 308.15 | 0.7992 | 194.30 |
| 313.15 | 0.7992 | 195.40 |
| 318.15 | 0.7992 | 196.70 |
| 323.15 | 0.7992 | 197.50 |
| 328.15 | 0.7992 | 198.50 |
| 333.15 | 0.7992 | 198.90 |
| 338.15 | 0.7992 | 198.50 |
| 343.15 | 0.7992 | 200.10 |
| 348.15 | 0.7992 | 202.30 |
| 353.15 | 0.7992 | 203.70 |
| 298.15 | 0.8992 | 203.60 |
| 303.15 | 0.8992 | 204.70 |
| 308.15 | 0.8992 | 205.80 |
| 313.15 | 0.8992 | 206.80 |
| 318.15 | 0.8992 | 207.80 |
| 323.15 | 0.8992 | 208.50 |
| 328.15 | 0.8992 | 209.20 |
| 333.15 | 0.8992 | 209.30 |
| 338.15 | 0.8992 | 208.20 |
| 343.15 | 0.8992 | 209.20 |
| 348.15 | 0.8992 | 211.40 |
| 353.15 | 0.8992 | 212.70 |
| 298.15 | 1.0000 | 213.90 |
| 303.15 | 1.0000 | 214.40 |
| 308.15 | 1.0000 | 215.00 |
| 313.15 | 1.0000 | 215.70 |
| 318.15 | 1.0000 | 216.40 |
| 323.15 | 1.0000 | 216.90 |
| 328.15 | 1.0000 | 217.30 |
| 333.15 | 1.0000 | 217.20 |
| 338.15 | 1.0000 | 215.50 |
| 343.15 | 1.0000 | 216.20 |
| 348.15 | 1.0000 | 217.60 |
| 353.15 | 1.0000 | 218.00 |
Molar heat capacity at constant pressure, J/K/mol [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Molar heat capacity at constant pressure, J/K/mol - Liquid |
| 298.15 | 0.0990 | 99.40 |
| 303.15 | 0.0990 | 100.60 |
| 308.15 | 0.0990 | 101.60 |
| 313.15 | 0.0990 | 102.70 |
| 318.15 | 0.0990 | 103.70 |
| 323.15 | 0.0990 | 104.60 |
| 328.15 | 0.0990 | 105.60 |
| 333.15 | 0.0990 | 106.10 |
| 338.15 | 0.0990 | 106.60 |
| 343.15 | 0.0990 | 107.30 |
| 348.15 | 0.0990 | 108.20 |
| 353.15 | 0.0990 | 109.00 |
| 298.15 | 0.1998 | 116.00 |
| 303.15 | 0.1998 | 117.30 |
| 308.15 | 0.1998 | 118.60 |
| 313.15 | 0.1998 | 119.90 |
| 318.15 | 0.1998 | 120.80 |
| 323.15 | 0.1998 | 122.10 |
| 328.15 | 0.1998 | 123.50 |
| 333.15 | 0.1998 | 124.80 |
| 338.15 | 0.1998 | 126.10 |
| 343.15 | 0.1998 | 127.30 |
| 348.15 | 0.1998 | 128.50 |
| 353.15 | 0.1998 | 129.70 |
| 298.15 | 0.2995 | 128.80 |
| 303.15 | 0.2995 | 130.40 |
| 308.15 | 0.2995 | 131.90 |
| 313.15 | 0.2995 | 133.40 |
| 318.15 | 0.2995 | 134.60 |
| 323.15 | 0.2995 | 136.20 |
| 328.15 | 0.2995 | 137.80 |
| 333.15 | 0.2995 | 139.40 |
| 338.15 | 0.2995 | 140.90 |
| 343.15 | 0.2995 | 142.40 |
| 348.15 | 0.2995 | 143.80 |
| 353.15 | 0.2995 | 145.20 |
| 298.15 | 0.4009 | 141.40 |
| 303.15 | 0.4009 | 143.30 |
| 308.15 | 0.4009 | 144.80 |
| 313.15 | 0.4009 | 146.40 |
| 318.15 | 0.4009 | 147.70 |
| 323.15 | 0.4009 | 149.30 |
| 328.15 | 0.4009 | 151.10 |
| 333.15 | 0.4009 | 153.30 |
| 338.15 | 0.4009 | 154.40 |
| 343.15 | 0.4009 | 156.00 |
| 348.15 | 0.4009 | 157.60 |
| 353.15 | 0.4009 | 159.20 |
| 298.15 | 0.4983 | 153.80 |
| 303.15 | 0.4983 | 155.60 |
| 308.15 | 0.4983 | 157.10 |
| 313.15 | 0.4983 | 158.60 |
| 318.15 | 0.4983 | 159.80 |
| 323.15 | 0.4983 | 161.40 |
| 328.15 | 0.4983 | 163.00 |
| 333.15 | 0.4983 | 165.50 |
| 338.15 | 0.4983 | 166.80 |
| 343.15 | 0.4983 | 168.20 |
| 348.15 | 0.4983 | 170.00 |
| 353.15 | 0.4983 | 171.50 |
| 298.15 | 0.6007 | 166.60 |
| 303.15 | 0.6007 | 168.20 |
| 308.15 | 0.6007 | 169.70 |
| 313.15 | 0.6007 | 171.30 |
| 318.15 | 0.6007 | 172.70 |
| 323.15 | 0.6007 | 174.00 |
| 328.15 | 0.6007 | 175.30 |
| 333.15 | 0.6007 | 177.30 |
| 338.15 | 0.6007 | 178.40 |
| 343.15 | 0.6007 | 179.80 |
| 348.15 | 0.6007 | 181.60 |
| 353.15 | 0.6007 | 183.00 |
| 298.15 | 0.6994 | 179.00 |
| 303.15 | 0.6994 | 180.50 |
| 308.15 | 0.6994 | 182.00 |
| 313.15 | 0.6994 | 183.40 |
| 318.15 | 0.6994 | 184.70 |
| 323.15 | 0.6994 | 185.70 |
| 328.15 | 0.6994 | 186.90 |
| 333.15 | 0.6994 | 188.20 |
| 338.15 | 0.6994 | 189.00 |
| 343.15 | 0.6994 | 190.60 |
| 348.15 | 0.6994 | 192.40 |
| 353.15 | 0.6994 | 193.80 |
| 298.15 | 0.7992 | 191.40 |
| 303.15 | 0.7992 | 192.70 |
| 308.15 | 0.7992 | 194.30 |
| 313.15 | 0.7992 | 195.40 |
| 318.15 | 0.7992 | 196.70 |
| 323.15 | 0.7992 | 197.50 |
| 328.15 | 0.7992 | 198.50 |
| 333.15 | 0.7992 | 198.90 |
| 338.15 | 0.7992 | 198.50 |
| 343.15 | 0.7992 | 200.10 |
| 348.15 | 0.7992 | 202.30 |
| 353.15 | 0.7992 | 203.70 |
| 298.15 | 0.8992 | 203.60 |
| 303.15 | 0.8992 | 204.70 |
| 308.15 | 0.8992 | 205.80 |
| 313.15 | 0.8992 | 206.80 |
| 318.15 | 0.8992 | 207.80 |
| 323.15 | 0.8992 | 208.50 |
| 328.15 | 0.8992 | 209.20 |
| 333.15 | 0.8992 | 209.30 |
| 338.15 | 0.8992 | 208.20 |
| 343.15 | 0.8992 | 209.20 |
| 348.15 | 0.8992 | 211.40 |
| 353.15 | 0.8992 | 212.70 |
| 298.15 | 1.0000 | 213.90 |
| 303.15 | 1.0000 | 214.40 |
| 308.15 | 1.0000 | 215.00 |
| 313.15 | 1.0000 | 215.70 |
| 318.15 | 1.0000 | 216.40 |
| 323.15 | 1.0000 | 216.90 |
| 328.15 | 1.0000 | 217.30 |
| 333.15 | 1.0000 | 217.20 |
| 338.15 | 1.0000 | 215.50 |
| 343.15 | 1.0000 | 216.20 |
| 348.15 | 1.0000 | 217.60 |
| 353.15 | 1.0000 | 218.00 |
Viscosity, Pa*s [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Viscosity, Pa*s - Liquid |
| 298.15 | 0.0000 | 0.0009 |
| 298.15 | 0.0521 | 0.0033 |
| 298.15 | 0.0725 | 0.0056 |
| 298.15 | 0.1039 | 0.0108 |
| 298.15 | 0.2091 | 0.0352 |
| 298.15 | 0.3101 | 0.0364 |
| 298.15 | 0.4096 | 0.0235 |
| 298.15 | 0.5109 | 0.0134 |
| 298.15 | 0.6080 | 0.0080 |
| 298.15 | 0.7065 | 0.0049 |
| 298.15 | 0.8069 | 0.0034 |
| 298.15 | 0.8819 | 0.0026 |
| 298.15 | 1.0000 | 0.0019 |
| 303.15 | 0.0000 | 0.0008 |
| 303.15 | 0.0521 | 0.0028 |
| 303.15 | 0.0725 | 0.0045 |
| 303.15 | 0.1039 | 0.0082 |
| 303.15 | 0.2091 | 0.0250 |
| 303.15 | 0.3101 | 0.0257 |
| 303.15 | 0.4096 | 0.0171 |
| 303.15 | 0.5109 | 0.0102 |
| 303.15 | 0.6080 | 0.0062 |
| 303.15 | 0.7065 | 0.0040 |
| 303.15 | 0.8069 | 0.0028 |
| 303.15 | 0.8819 | 0.0022 |
| 303.15 | 1.0000 | 0.0016 |
| 313.15 | 0.0000 | 0.0007 |
| 313.15 | 0.0521 | 0.0020 |
| 313.15 | 0.0725 | 0.0030 |
| 313.15 | 0.1039 | 0.0052 |
| 313.15 | 0.2091 | 0.0137 |
| 313.15 | 0.3101 | 0.0140 |
| 313.15 | 0.4096 | 0.0098 |
| 313.15 | 0.5109 | 0.0063 |
| 313.15 | 0.6080 | 0.0041 |
| 313.15 | 0.7065 | 0.0028 |
| 313.15 | 0.8069 | 0.0021 |
| 313.15 | 0.8819 | 0.0017 |
| 313.15 | 1.0000 | 0.0013 |
| 325.15 | 0.0000 | 0.0006 |
| 325.15 | 0.0521 | 0.0015 |
| 325.15 | 0.0725 | 0.0022 |
| 325.15 | 0.1039 | 0.0035 |
| 325.15 | 0.2091 | 0.0081 |
| 325.15 | 0.3101 | 0.0083 |
| 325.15 | 0.4096 | 0.0061 |
| 325.15 | 0.5109 | 0.0042 |
| 325.15 | 0.6080 | 0.0029 |
| 325.15 | 0.7065 | 0.0021 |
| 325.15 | 0.8069 | 0.0016 |
| 325.15 | 0.8819 | 0.0013 |
| 325.15 | 1.0000 | 0.0011 |
| 333.15 | 0.0000 | 0.0005 |
| 333.15 | 0.0521 | 0.0012 |
| 333.15 | 0.0725 | 0.0017 |
| 333.15 | 0.1039 | 0.0025 |
| 333.15 | 0.2091 | 0.0052 |
| 333.15 | 0.3101 | 0.0052 |
| 333.15 | 0.4096 | 0.0040 |
| 333.15 | 0.5109 | 0.0029 |
| 333.15 | 0.6080 | 0.0021 |
| 333.15 | 0.7065 | 0.0016 |
| 333.15 | 0.8069 | 0.0013 |
| 333.15 | 0.8819 | 0.0011 |
| 333.15 | 1.0000 | 0.0009 |
| 343.15 | 0.0000 | 0.0004 |
| 343.15 | 0.0521 | 0.0009 |
| 343.15 | 0.0725 | 0.0013 |
| 343.15 | 0.1039 | 0.0018 |
| 343.15 | 0.2091 | 0.0035 |
| 343.15 | 0.3101 | 0.0035 |
| 343.15 | 0.4096 | 0.0028 |
| 343.15 | 0.5109 | 0.0021 |
| 343.15 | 0.6080 | 0.0016 |
| 343.15 | 0.7065 | 0.0013 |
| 343.15 | 0.8069 | 0.0011 |
| 343.15 | 0.8819 | 0.0009 |
| 343.15 | 1.0000 | 0.0008 |
Viscosity, Pa*s [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Viscosity, Pa*s - Liquid |
| 298.15 | 0.0000 | 0.0009 |
| 298.15 | 0.0521 | 0.0033 |
| 298.15 | 0.0725 | 0.0056 |
| 298.15 | 0.1039 | 0.0108 |
| 298.15 | 0.2091 | 0.0352 |
| 298.15 | 0.3101 | 0.0364 |
| 298.15 | 0.4096 | 0.0235 |
| 298.15 | 0.5109 | 0.0134 |
| 298.15 | 0.6080 | 0.0080 |
| 298.15 | 0.7065 | 0.0049 |
| 298.15 | 0.8069 | 0.0034 |
| 298.15 | 0.8819 | 0.0026 |
| 298.15 | 1.0000 | 0.0019 |
| 303.15 | 0.0000 | 0.0008 |
| 303.15 | 0.0521 | 0.0028 |
| 303.15 | 0.0725 | 0.0045 |
| 303.15 | 0.1039 | 0.0082 |
| 303.15 | 0.2091 | 0.0250 |
| 303.15 | 0.3101 | 0.0257 |
| 303.15 | 0.4096 | 0.0171 |
| 303.15 | 0.5109 | 0.0102 |
| 303.15 | 0.6080 | 0.0062 |
| 303.15 | 0.7065 | 0.0040 |
| 303.15 | 0.8069 | 0.0028 |
| 303.15 | 0.8819 | 0.0022 |
| 303.15 | 1.0000 | 0.0016 |
| 313.15 | 0.0000 | 0.0007 |
| 313.15 | 0.0521 | 0.0020 |
| 313.15 | 0.0725 | 0.0030 |
| 313.15 | 0.1039 | 0.0052 |
| 313.15 | 0.2091 | 0.0137 |
| 313.15 | 0.3101 | 0.0140 |
| 313.15 | 0.4096 | 0.0098 |
| 313.15 | 0.5109 | 0.0063 |
| 313.15 | 0.6080 | 0.0041 |
| 313.15 | 0.7065 | 0.0028 |
| 313.15 | 0.8069 | 0.0021 |
| 313.15 | 0.8819 | 0.0017 |
| 313.15 | 1.0000 | 0.0013 |
| 325.15 | 0.0000 | 0.0006 |
| 325.15 | 0.0521 | 0.0015 |
| 325.15 | 0.0725 | 0.0022 |
| 325.15 | 0.1039 | 0.0035 |
| 325.15 | 0.2091 | 0.0081 |
| 325.15 | 0.3101 | 0.0083 |
| 325.15 | 0.4096 | 0.0061 |
| 325.15 | 0.5109 | 0.0042 |
| 325.15 | 0.6080 | 0.0029 |
| 325.15 | 0.7065 | 0.0021 |
| 325.15 | 0.8069 | 0.0016 |
| 325.15 | 0.8819 | 0.0013 |
| 325.15 | 1.0000 | 0.0011 |
| 333.15 | 0.0000 | 0.0005 |
| 333.15 | 0.0521 | 0.0012 |
| 333.15 | 0.0725 | 0.0017 |
| 333.15 | 0.1039 | 0.0025 |
| 333.15 | 0.2091 | 0.0052 |
| 333.15 | 0.3101 | 0.0052 |
| 333.15 | 0.4096 | 0.0040 |
| 333.15 | 0.5109 | 0.0029 |
| 333.15 | 0.6080 | 0.0021 |
| 333.15 | 0.7065 | 0.0016 |
| 333.15 | 0.8069 | 0.0013 |
| 333.15 | 0.8819 | 0.0011 |
| 333.15 | 1.0000 | 0.0009 |
| 343.15 | 0.0000 | 0.0004 |
| 343.15 | 0.0521 | 0.0009 |
| 343.15 | 0.0725 | 0.0013 |
| 343.15 | 0.1039 | 0.0018 |
| 343.15 | 0.2091 | 0.0035 |
| 343.15 | 0.3101 | 0.0035 |
| 343.15 | 0.4096 | 0.0028 |
| 343.15 | 0.5109 | 0.0021 |
| 343.15 | 0.6080 | 0.0016 |
| 343.15 | 0.7065 | 0.0013 |
| 343.15 | 0.8069 | 0.0011 |
| 343.15 | 0.8819 | 0.0009 |
| 343.15 | 1.0000 | 0.0008 |
Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid |
| 303.15 | 0.0495 | -1.989 |
| 303.15 | 0.0997 | -3.49 |
| 303.15 | 0.2004 | -4.946 |
| 303.15 | 0.3006 | -5.366 |
| 303.15 | 0.3993 | -4.945 |
| 303.15 | 0.6000 | -3.52 |
| 303.15 | 0.7973 | -1.818 |
| 323.15 | 0.3991 | -4.697 |
| 323.15 | 0.4012 | -4.627 |
| 323.15 | 0.4193 | -4.567 |
| 323.15 | 0.4994 | -4.113 |
| 323.15 | 0.5981 | -3.443 |
| 323.15 | 0.7019 | -2.582 |
| 323.15 | 0.8001 | -1.759 |
| 323.15 | 0.8964 | -0.9440 |
Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid |
| 298.15 | 0.0300 | -1.307 |
| 298.15 | 0.0707 | -2.842 |
| 298.15 | 0.0991 | -3.285 |
| 298.15 | 0.1507 | -4.123 |
| 298.15 | 0.1998 | -4.495 |
| 298.15 | 0.3027 | -4.641 |
| 298.15 | 0.4033 | -4.351 |
| 298.15 | 0.5500 | -3.547 |
| 298.15 | 0.5966 | -3.236 |
| 298.15 | 0.6400 | -2.93 |
| 298.15 | 0.7926 | -1.753 |
| 298.15 | 0.8936 | -0.9170 |
| 313.15 | 0.0300 | -1.243 |
| 313.15 | 0.0695 | -2.536 |
| 313.15 | 0.1003 | -3.216 |
| 313.15 | 0.1496 | -3.964 |
| 313.15 | 0.2017 | -4.426 |
| 313.15 | 0.3017 | -4.567 |
| 313.15 | 0.4013 | -4.285 |
| 313.15 | 0.5500 | -3.386 |
| 313.15 | 0.5876 | -3.126 |
| 313.15 | 0.7014 | -2.301 |
| 313.15 | 0.7969 | -1.578 |
| 313.15 | 0.9040 | -0.7500 |
| 333.15 | 0.0307 | -1.007 |
| 333.15 | 0.0698 | -2.27 |
| 333.15 | 0.1001 | -3.019 |
| 333.15 | 0.1493 | -3.83 |
| 333.15 | 0.1997 | -4.278 |
| 333.15 | 0.2998 | -4.459 |
| 333.15 | 0.3945 | -4.16 |
| 333.15 | 0.5064 | -3.533 |
| 333.15 | 0.6000 | -2.903 |
| 333.15 | 0.6949 | -2.222 |
| 333.15 | 0.8014 | -1.442 |
| 333.15 | 0.8985 | -0.7310 |
Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid |
| 303.15 | 0.0495 | -1.989 |
| 303.15 | 0.0997 | -3.49 |
| 303.15 | 0.2004 | -4.946 |
| 303.15 | 0.3006 | -5.366 |
| 303.15 | 0.3993 | -4.945 |
| 303.15 | 0.6000 | -3.52 |
| 303.15 | 0.7973 | -1.818 |
| 323.15 | 0.3991 | -4.697 |
| 323.15 | 0.4012 | -4.627 |
| 323.15 | 0.4193 | -4.567 |
| 323.15 | 0.4994 | -4.113 |
| 323.15 | 0.5981 | -3.443 |
| 323.15 | 0.7019 | -2.582 |
| 323.15 | 0.8001 | -1.759 |
| 323.15 | 0.8964 | -0.9440 |
Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid |
| 298.15 | 0.0300 | -1.307 |
| 298.15 | 0.0707 | -2.842 |
| 298.15 | 0.0991 | -3.285 |
| 298.15 | 0.1507 | -4.123 |
| 298.15 | 0.1998 | -4.495 |
| 298.15 | 0.3027 | -4.641 |
| 298.15 | 0.4033 | -4.351 |
| 298.15 | 0.5500 | -3.547 |
| 298.15 | 0.5966 | -3.236 |
| 298.15 | 0.6400 | -2.93 |
| 298.15 | 0.7926 | -1.753 |
| 298.15 | 0.8936 | -0.9170 |
| 313.15 | 0.0300 | -1.243 |
| 313.15 | 0.0695 | -2.536 |
| 313.15 | 0.1003 | -3.216 |
| 313.15 | 0.1496 | -3.964 |
| 313.15 | 0.2017 | -4.426 |
| 313.15 | 0.3017 | -4.567 |
| 313.15 | 0.4013 | -4.285 |
| 313.15 | 0.5500 | -3.386 |
| 313.15 | 0.5876 | -3.126 |
| 313.15 | 0.7014 | -2.301 |
| 313.15 | 0.7969 | -1.578 |
| 313.15 | 0.9040 | -0.7500 |
| 333.15 | 0.0307 | -1.007 |
| 333.15 | 0.0698 | -2.27 |
| 333.15 | 0.1001 | -3.019 |
| 333.15 | 0.1493 | -3.83 |
| 333.15 | 0.1997 | -4.278 |
| 333.15 | 0.2998 | -4.459 |
| 333.15 | 0.3945 | -4.16 |
| 333.15 | 0.5064 | -3.533 |
| 333.15 | 0.6000 | -2.903 |
| 333.15 | 0.6949 | -2.222 |
| 333.15 | 0.8014 | -1.442 |
| 333.15 | 0.8985 | -0.7310 |
Refractive index (Na D-line) [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Refractive index (Na D-line) - Liquid |
| 293.15 | 0.0000 | 1.333 |
| 293.15 | 0.0521 | 1.374 |
| 293.15 | 0.0725 | 1.389 |
| 293.15 | 0.1039 | 1.406 |
| 293.15 | 0.2091 | 1.44 |
| 293.15 | 0.3101 | 1.453 |
| 293.15 | 0.4096 | 1.459 |
| 293.15 | 0.5109 | 1.462 |
| 293.15 | 0.6080 | 1.464 |
| 293.15 | 0.7065 | 1.465 |
| 293.15 | 0.8069 | 1.466 |
| 293.15 | 0.8819 | 1.466 |
| 293.15 | 1.0000 | 1.466 |
| 298.15 | 0.0000 | 1.333 |
| 298.15 | 0.0521 | 1.373 |
| 298.15 | 0.0725 | 1.388 |
| 298.15 | 0.1039 | 1.405 |
| 298.15 | 0.2091 | 1.438 |
| 298.15 | 0.3101 | 1.451 |
| 298.15 | 0.4096 | 1.457 |
| 298.15 | 0.5109 | 1.46 |
| 298.15 | 0.6080 | 1.462 |
| 298.15 | 0.7065 | 1.463 |
| 298.15 | 0.8069 | 1.463 |
| 298.15 | 0.8819 | 1.464 |
| 298.15 | 1.0000 | 1.464 |
| 303.15 | 0.0000 | 1.332 |
| 303.15 | 0.0521 | 1.373 |
| 303.15 | 0.0725 | 1.387 |
| 303.15 | 0.1039 | 1.403 |
| 303.15 | 0.2091 | 1.436 |
| 303.15 | 0.3101 | 1.449 |
| 303.15 | 0.4096 | 1.455 |
| 303.15 | 0.5109 | 1.458 |
| 303.15 | 0.6080 | 1.46 |
| 303.15 | 0.7065 | 1.461 |
| 303.15 | 0.8069 | 1.461 |
| 303.15 | 0.8819 | 1.461 |
| 303.15 | 1.0000 | 1.461 |
| 308.15 | 0.0000 | 1.331 |
| 308.15 | 0.0521 | 1.372 |
| 308.15 | 0.0725 | 1.386 |
| 308.15 | 0.1039 | 1.402 |
| 308.15 | 0.2091 | 1.434 |
| 308.15 | 0.3101 | 1.447 |
| 308.15 | 0.4096 | 1.453 |
| 308.15 | 0.5109 | 1.456 |
| 308.15 | 0.6080 | 1.457 |
| 308.15 | 0.7065 | 1.458 |
| 308.15 | 0.8069 | 1.459 |
| 308.15 | 0.8819 | 1.459 |
| 308.15 | 1.0000 | 1.459 |
| 313.15 | 0.0000 | 1.331 |
| 313.15 | 0.0521 | 1.371 |
| 313.15 | 0.0725 | 1.384 |
| 313.15 | 0.1039 | 1.401 |
| 313.15 | 0.2091 | 1.432 |
| 313.15 | 0.3101 | 1.445 |
| 313.15 | 0.4096 | 1.451 |
| 313.15 | 0.5109 | 1.454 |
| 313.15 | 0.6080 | 1.455 |
| 313.15 | 0.7065 | 1.456 |
| 313.15 | 0.8069 | 1.456 |
| 313.15 | 0.8819 | 1.457 |
| 313.15 | 1.0000 | 1.457 |
| 318.15 | 0.0000 | 1.331 |
| 318.15 | 0.0521 | 1.371 |
| 318.15 | 0.0725 | 1.384 |
| 318.15 | 0.1039 | 1.401 |
| 318.15 | 0.2091 | 1.432 |
| 318.15 | 0.3101 | 1.445 |
| 318.15 | 0.4096 | 1.451 |
| 318.15 | 0.5109 | 1.454 |
| 318.15 | 0.6080 | 1.455 |
| 318.15 | 0.7065 | 1.456 |
| 318.15 | 0.8069 | 1.456 |
| 318.15 | 0.8819 | 1.457 |
| 318.15 | 1.0000 | 1.457 |
| 323.15 | 0.0000 | 1.329 |
| 323.15 | 0.0521 | 1.369 |
| 323.15 | 0.0725 | 1.382 |
| 323.15 | 0.1039 | 1.397 |
| 323.15 | 0.2091 | 1.428 |
| 323.15 | 0.3101 | 1.441 |
| 323.15 | 0.4096 | 1.446 |
| 323.15 | 0.5109 | 1.449 |
| 323.15 | 0.6080 | 1.451 |
| 323.15 | 0.7065 | 1.451 |
| 323.15 | 0.8069 | 1.452 |
| 323.15 | 0.8819 | 1.452 |
| 323.15 | 1.0000 | 1.452 |
| 328.15 | 0.0000 | 1.328 |
| 328.15 | 0.0521 | 1.368 |
| 328.15 | 0.0725 | 1.381 |
| 328.15 | 0.1039 | 1.396 |
| 328.15 | 0.2091 | 1.427 |
| 328.15 | 0.3101 | 1.439 |
| 328.15 | 0.4096 | 1.444 |
| 328.15 | 0.5109 | 1.447 |
| 328.15 | 0.6080 | 1.448 |
| 328.15 | 0.7065 | 1.449 |
| 328.15 | 0.8069 | 1.449 |
| 328.15 | 0.8819 | 1.449 |
| 328.15 | 1.0000 | 1.449 |
| 333.15 | 0.0000 | 1.327 |
| 333.15 | 0.0521 | 1.366 |
| 333.15 | 0.0725 | 1.379 |
| 333.15 | 0.1039 | 1.396 |
| 333.15 | 0.2091 | 1.425 |
| 333.15 | 0.3101 | 1.437 |
| 333.15 | 0.4096 | 1.442 |
| 333.15 | 0.5109 | 1.445 |
| 333.15 | 0.6080 | 1.446 |
| 333.15 | 0.7065 | 1.447 |
| 333.15 | 0.8069 | 1.447 |
| 333.15 | 0.8819 | 1.447 |
| 333.15 | 1.0000 | 1.447 |
Refractive index (Na D-line) [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Refractive index (Na D-line) - Liquid |
| 293.15 | 0.0000 | 1.333 |
| 293.15 | 0.0521 | 1.374 |
| 293.15 | 0.0725 | 1.389 |
| 293.15 | 0.1039 | 1.406 |
| 293.15 | 0.2091 | 1.44 |
| 293.15 | 0.3101 | 1.453 |
| 293.15 | 0.4096 | 1.459 |
| 293.15 | 0.5109 | 1.462 |
| 293.15 | 0.6080 | 1.464 |
| 293.15 | 0.7065 | 1.465 |
| 293.15 | 0.8069 | 1.466 |
| 293.15 | 0.8819 | 1.466 |
| 293.15 | 1.0000 | 1.466 |
| 298.15 | 0.0000 | 1.333 |
| 298.15 | 0.0521 | 1.373 |
| 298.15 | 0.0725 | 1.388 |
| 298.15 | 0.1039 | 1.405 |
| 298.15 | 0.2091 | 1.438 |
| 298.15 | 0.3101 | 1.451 |
| 298.15 | 0.4096 | 1.457 |
| 298.15 | 0.5109 | 1.46 |
| 298.15 | 0.6080 | 1.462 |
| 298.15 | 0.7065 | 1.463 |
| 298.15 | 0.8069 | 1.463 |
| 298.15 | 0.8819 | 1.464 |
| 298.15 | 1.0000 | 1.464 |
| 303.15 | 0.0000 | 1.332 |
| 303.15 | 0.0521 | 1.373 |
| 303.15 | 0.0725 | 1.387 |
| 303.15 | 0.1039 | 1.403 |
| 303.15 | 0.2091 | 1.436 |
| 303.15 | 0.3101 | 1.449 |
| 303.15 | 0.4096 | 1.455 |
| 303.15 | 0.5109 | 1.458 |
| 303.15 | 0.6080 | 1.46 |
| 303.15 | 0.7065 | 1.461 |
| 303.15 | 0.8069 | 1.461 |
| 303.15 | 0.8819 | 1.461 |
| 303.15 | 1.0000 | 1.461 |
| 308.15 | 0.0000 | 1.331 |
| 308.15 | 0.0521 | 1.372 |
| 308.15 | 0.0725 | 1.386 |
| 308.15 | 0.1039 | 1.402 |
| 308.15 | 0.2091 | 1.434 |
| 308.15 | 0.3101 | 1.447 |
| 308.15 | 0.4096 | 1.453 |
| 308.15 | 0.5109 | 1.456 |
| 308.15 | 0.6080 | 1.457 |
| 308.15 | 0.7065 | 1.458 |
| 308.15 | 0.8069 | 1.459 |
| 308.15 | 0.8819 | 1.459 |
| 308.15 | 1.0000 | 1.459 |
| 313.15 | 0.0000 | 1.331 |
| 313.15 | 0.0521 | 1.371 |
| 313.15 | 0.0725 | 1.384 |
| 313.15 | 0.1039 | 1.401 |
| 313.15 | 0.2091 | 1.432 |
| 313.15 | 0.3101 | 1.445 |
| 313.15 | 0.4096 | 1.451 |
| 313.15 | 0.5109 | 1.454 |
| 313.15 | 0.6080 | 1.455 |
| 313.15 | 0.7065 | 1.456 |
| 313.15 | 0.8069 | 1.456 |
| 313.15 | 0.8819 | 1.457 |
| 313.15 | 1.0000 | 1.457 |
| 318.15 | 0.0000 | 1.331 |
| 318.15 | 0.0521 | 1.371 |
| 318.15 | 0.0725 | 1.384 |
| 318.15 | 0.1039 | 1.401 |
| 318.15 | 0.2091 | 1.432 |
| 318.15 | 0.3101 | 1.445 |
| 318.15 | 0.4096 | 1.451 |
| 318.15 | 0.5109 | 1.454 |
| 318.15 | 0.6080 | 1.455 |
| 318.15 | 0.7065 | 1.456 |
| 318.15 | 0.8069 | 1.456 |
| 318.15 | 0.8819 | 1.457 |
| 318.15 | 1.0000 | 1.457 |
| 323.15 | 0.0000 | 1.329 |
| 323.15 | 0.0521 | 1.369 |
| 323.15 | 0.0725 | 1.382 |
| 323.15 | 0.1039 | 1.397 |
| 323.15 | 0.2091 | 1.428 |
| 323.15 | 0.3101 | 1.441 |
| 323.15 | 0.4096 | 1.446 |
| 323.15 | 0.5109 | 1.449 |
| 323.15 | 0.6080 | 1.451 |
| 323.15 | 0.7065 | 1.451 |
| 323.15 | 0.8069 | 1.452 |
| 323.15 | 0.8819 | 1.452 |
| 323.15 | 1.0000 | 1.452 |
| 328.15 | 0.0000 | 1.328 |
| 328.15 | 0.0521 | 1.368 |
| 328.15 | 0.0725 | 1.381 |
| 328.15 | 0.1039 | 1.396 |
| 328.15 | 0.2091 | 1.427 |
| 328.15 | 0.3101 | 1.439 |
| 328.15 | 0.4096 | 1.444 |
| 328.15 | 0.5109 | 1.447 |
| 328.15 | 0.6080 | 1.448 |
| 328.15 | 0.7065 | 1.449 |
| 328.15 | 0.8069 | 1.449 |
| 328.15 | 0.8819 | 1.449 |
| 328.15 | 1.0000 | 1.449 |
| 333.15 | 0.0000 | 1.327 |
| 333.15 | 0.0521 | 1.366 |
| 333.15 | 0.0725 | 1.379 |
| 333.15 | 0.1039 | 1.396 |
| 333.15 | 0.2091 | 1.425 |
| 333.15 | 0.3101 | 1.437 |
| 333.15 | 0.4096 | 1.442 |
| 333.15 | 0.5109 | 1.445 |
| 333.15 | 0.6080 | 1.446 |
| 333.15 | 0.7065 | 1.447 |
| 333.15 | 0.8069 | 1.447 |
| 333.15 | 0.8819 | 1.447 |
| 333.15 | 1.0000 | 1.447 |
Mass density, kg/m3 [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Mass density, kg/m3 - Liquid |
| 298.15 | 0.0000 | 997.06 |
| 298.15 | 0.0521 | 1001.67 |
| 298.15 | 0.0725 | 1005.26 |
| 298.15 | 0.1039 | 1009.54 |
| 298.15 | 0.2091 | 1001.33 |
| 298.15 | 0.3101 | 981.31 |
| 298.15 | 0.4096 | 962.21 |
| 298.15 | 0.5109 | 946.41 |
| 298.15 | 0.6080 | 933.25 |
| 298.15 | 0.7065 | 922.31 |
| 298.15 | 0.8069 | 913.72 |
| 298.15 | 0.8819 | 906.76 |
| 298.15 | 1.0000 | 898.81 |
| 303.15 | 0.0000 | 995.65 |
| 303.15 | 0.0521 | 999.31 |
| 303.15 | 0.0725 | 1002.36 |
| 303.15 | 0.1039 | 1005.87 |
| 303.15 | 0.2091 | 996.94 |
| 303.15 | 0.3101 | 976.94 |
| 303.15 | 0.4096 | 957.88 |
| 303.15 | 0.5109 | 942.03 |
| 303.15 | 0.6080 | 928.88 |
| 303.15 | 0.7065 | 917.92 |
| 303.15 | 0.8069 | 909.33 |
| 303.15 | 0.8819 | 902.37 |
| 303.15 | 1.0000 | 894.43 |
| 313.15 | 0.0000 | 992.21 |
| 313.15 | 0.0521 | 994.17 |
| 313.15 | 0.0725 | 996.21 |
| 313.15 | 0.1039 | 998.34 |
| 313.15 | 0.2091 | 988.01 |
| 313.15 | 0.3101 | 968.03 |
| 313.15 | 0.4096 | 949.09 |
| 313.15 | 0.5109 | 933.18 |
| 313.15 | 0.6080 | 920.04 |
| 313.15 | 0.7065 | 909.07 |
| 313.15 | 0.8069 | 900.47 |
| 313.15 | 0.8819 | 893.54 |
| 313.15 | 1.0000 | 885.62 |
| 325.15 | 0.0000 | 988.03 |
| 325.15 | 0.0521 | 988.47 |
| 325.15 | 0.0725 | 989.64 |
| 325.15 | 0.1039 | 990.55 |
| 325.15 | 0.2091 | 978.98 |
| 325.15 | 0.3101 | 958.91 |
| 325.15 | 0.4096 | 940.1 |
| 325.15 | 0.5109 | 924.16 |
| 325.15 | 0.6080 | 911.05 |
| 325.15 | 0.7065 | 900.09 |
| 325.15 | 0.8069 | 891.49 |
| 325.15 | 0.8819 | 884.6 |
| 325.15 | 1.0000 | 876.71 |
| 333.15 | 0.0000 | 983.2 |
| 333.15 | 0.0521 | 982.25 |
| 333.15 | 0.0725 | 982.66 |
| 333.15 | 0.1039 | 982.5 |
| 333.15 | 0.2091 | 969.64 |
| 333.15 | 0.3101 | 949.58 |
| 333.15 | 0.4096 | 930.91 |
| 333.15 | 0.5109 | 914.98 |
| 333.15 | 0.6080 | 901.91 |
| 333.15 | 0.7065 | 891.0 |
| 333.15 | 0.8069 | 882.42 |
| 333.15 | 0.8819 | 875.57 |
| 333.15 | 1.0000 | 867.73 |
| 343.15 | 0.0000 | 977.78 |
| 343.15 | 0.0521 | 975.55 |
| 343.15 | 0.0725 | 975.29 |
| 343.15 | 0.1039 | 974.18 |
| 343.15 | 0.2091 | 960.1 |
| 343.15 | 0.3101 | 940.04 |
| 343.15 | 0.4096 | 921.51 |
| 343.15 | 0.5109 | 905.65 |
| 343.15 | 0.6080 | 892.65 |
| 343.15 | 0.7065 | 881.79 |
| 343.15 | 0.8069 | 873.22 |
| 343.15 | 0.8819 | 866.45 |
| 343.15 | 1.0000 | 858.66 |
Mass density, kg/m3 [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Mass density, kg/m3 - Liquid |
| 298.15 | 0.0000 | 997.06 |
| 298.15 | 0.0521 | 1001.67 |
| 298.15 | 0.0725 | 1005.26 |
| 298.15 | 0.1039 | 1009.54 |
| 298.15 | 0.2091 | 1001.33 |
| 298.15 | 0.3101 | 981.31 |
| 298.15 | 0.4096 | 962.21 |
| 298.15 | 0.5109 | 946.41 |
| 298.15 | 0.6080 | 933.25 |
| 298.15 | 0.7065 | 922.31 |
| 298.15 | 0.8069 | 913.72 |
| 298.15 | 0.8819 | 906.76 |
| 298.15 | 1.0000 | 898.81 |
| 303.15 | 0.0000 | 995.65 |
| 303.15 | 0.0521 | 999.31 |
| 303.15 | 0.0725 | 1002.36 |
| 303.15 | 0.1039 | 1005.87 |
| 303.15 | 0.2091 | 996.94 |
| 303.15 | 0.3101 | 976.94 |
| 303.15 | 0.4096 | 957.88 |
| 303.15 | 0.5109 | 942.03 |
| 303.15 | 0.6080 | 928.88 |
| 303.15 | 0.7065 | 917.92 |
| 303.15 | 0.8069 | 909.33 |
| 303.15 | 0.8819 | 902.37 |
| 303.15 | 1.0000 | 894.43 |
| 313.15 | 0.0000 | 992.21 |
| 313.15 | 0.0521 | 994.17 |
| 313.15 | 0.0725 | 996.21 |
| 313.15 | 0.1039 | 998.34 |
| 313.15 | 0.2091 | 988.01 |
| 313.15 | 0.3101 | 968.03 |
| 313.15 | 0.4096 | 949.09 |
| 313.15 | 0.5109 | 933.18 |
| 313.15 | 0.6080 | 920.04 |
| 313.15 | 0.7065 | 909.07 |
| 313.15 | 0.8069 | 900.47 |
| 313.15 | 0.8819 | 893.54 |
| 313.15 | 1.0000 | 885.62 |
| 325.15 | 0.0000 | 988.03 |
| 325.15 | 0.0521 | 988.47 |
| 325.15 | 0.0725 | 989.64 |
| 325.15 | 0.1039 | 990.55 |
| 325.15 | 0.2091 | 978.98 |
| 325.15 | 0.3101 | 958.91 |
| 325.15 | 0.4096 | 940.1 |
| 325.15 | 0.5109 | 924.16 |
| 325.15 | 0.6080 | 911.05 |
| 325.15 | 0.7065 | 900.09 |
| 325.15 | 0.8069 | 891.49 |
| 325.15 | 0.8819 | 884.6 |
| 325.15 | 1.0000 | 876.71 |
| 333.15 | 0.0000 | 983.2 |
| 333.15 | 0.0521 | 982.25 |
| 333.15 | 0.0725 | 982.66 |
| 333.15 | 0.1039 | 982.5 |
| 333.15 | 0.2091 | 969.64 |
| 333.15 | 0.3101 | 949.58 |
| 333.15 | 0.4096 | 930.91 |
| 333.15 | 0.5109 | 914.98 |
| 333.15 | 0.6080 | 901.91 |
| 333.15 | 0.7065 | 891.0 |
| 333.15 | 0.8069 | 882.42 |
| 333.15 | 0.8819 | 875.57 |
| 333.15 | 1.0000 | 867.73 |
| 343.15 | 0.0000 | 977.78 |
| 343.15 | 0.0521 | 975.55 |
| 343.15 | 0.0725 | 975.29 |
| 343.15 | 0.1039 | 974.18 |
| 343.15 | 0.2091 | 960.1 |
| 343.15 | 0.3101 | 940.04 |
| 343.15 | 0.4096 | 921.51 |
| 343.15 | 0.5109 | 905.65 |
| 343.15 | 0.6080 | 892.65 |
| 343.15 | 0.7065 | 881.79 |
| 343.15 | 0.8069 | 873.22 |
| 343.15 | 0.8819 | 866.45 |
| 343.15 | 1.0000 | 858.66 |
Surface tension liquid-gas, N/m [ref]
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
| 293.15 | 0.0000 | 0.0721 |
| 293.15 | 0.1000 | 0.0476 |
| 293.15 | 0.1998 | 0.0434 |
| 293.15 | 0.2994 | 0.0387 |
| 293.15 | 0.4073 | 0.0359 |
| 293.15 | 0.4983 | 0.0344 |
| 293.15 | 0.5934 | 0.0332 |
| 293.15 | 0.6979 | 0.0323 |
| 293.15 | 0.7994 | 0.0317 |
| 293.15 | 0.8978 | 0.0312 |
| 293.15 | 1.0000 | 0.0307 |
| 303.15 | 0.0000 | 0.0713 |
| 303.15 | 0.1000 | 0.0467 |
| 303.15 | 0.1998 | 0.0421 |
| 303.15 | 0.2994 | 0.0381 |
| 303.15 | 0.4073 | 0.0352 |
| 303.15 | 0.4983 | 0.0338 |
| 303.15 | 0.5934 | 0.0327 |
| 303.15 | 0.6979 | 0.0318 |
| 303.15 | 0.7994 | 0.0312 |
| 303.15 | 0.8978 | 0.0307 |
| 303.15 | 1.0000 | 0.0303 |
| 308.15 | 0.0000 | 0.0704 |
| 308.15 | 0.1000 | 0.0457 |
| 308.15 | 0.1998 | 0.0407 |
| 308.15 | 0.2994 | 0.0376 |
| 308.15 | 0.4073 | 0.0347 |
| 308.15 | 0.4983 | 0.0333 |
| 308.15 | 0.5934 | 0.0321 |
| 308.15 | 0.6979 | 0.0312 |
| 308.15 | 0.7994 | 0.0308 |
| 308.15 | 0.8978 | 0.0302 |
| 308.15 | 1.0000 | 0.0299 |
| 313.15 | 0.0000 | 0.0697 |
| 313.15 | 0.1000 | 0.0444 |
| 313.15 | 0.1998 | 0.0396 |
| 313.15 | 0.2994 | 0.0364 |
| 313.15 | 0.4073 | 0.0340 |
| 313.15 | 0.4983 | 0.0327 |
| 313.15 | 0.5934 | 0.0316 |
| 313.15 | 0.6979 | 0.0308 |
| 313.15 | 0.7994 | 0.0304 |
| 313.15 | 0.8978 | 0.0297 |
| 313.15 | 1.0000 | 0.0292 |
| 318.15 | 0.0000 | 0.0688 |
| 318.15 | 0.1000 | 0.0430 |
| 318.15 | 0.1998 | 0.0383 |
| 318.15 | 0.2994 | 0.0357 |
| 318.15 | 0.4073 | 0.0334 |
| 318.15 | 0.4983 | 0.0321 |
| 318.15 | 0.5934 | 0.0310 |
| 318.15 | 0.6979 | 0.0302 |
| 318.15 | 0.7994 | 0.0298 |
| 318.15 | 0.8978 | 0.0291 |
| 318.15 | 1.0000 | 0.0288 |
| 323.15 | 0.0000 | 0.0679 |
| 323.15 | 0.1000 | 0.0417 |
| 323.15 | 0.1998 | 0.0378 |
| 323.15 | 0.2994 | 0.0349 |
| 323.15 | 0.4073 | 0.0329 |
| 323.15 | 0.4983 | 0.0317 |
| 323.15 | 0.5934 | 0.0306 |
| 323.15 | 0.6979 | 0.0297 |
| 323.15 | 0.7994 | 0.0292 |
| 323.15 | 0.8978 | 0.0285 |
| 323.15 | 1.0000 | 0.0281 |
| 333.15 | 0.0000 | 0.0662 |
| 333.15 | 0.1000 | 0.0400 |
| 333.15 | 0.1998 | 0.0365 |
| 333.15 | 0.2994 | 0.0336 |
| 333.15 | 0.4073 | 0.0317 |
| 333.15 | 0.4983 | 0.0303 |
| 333.15 | 0.5934 | 0.0298 |
| 333.15 | 0.6979 | 0.0288 |
| 333.15 | 0.7994 | 0.0279 |
| 333.15 | 0.8978 | 0.0277 |
| 333.15 | 1.0000 | 0.0272 |
Surface tension liquid-gas, N/m [ref]
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Piperazine, 1-methyl- (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
| 293.15 | 0.0000 | 0.0721 |
| 293.15 | 0.1000 | 0.0476 |
| 293.15 | 0.1998 | 0.0434 |
| 293.15 | 0.2994 | 0.0387 |
| 293.15 | 0.4073 | 0.0359 |
| 293.15 | 0.4983 | 0.0344 |
| 293.15 | 0.5934 | 0.0332 |
| 293.15 | 0.6979 | 0.0323 |
| 293.15 | 0.7994 | 0.0317 |
| 293.15 | 0.8978 | 0.0312 |
| 293.15 | 1.0000 | 0.0307 |
| 303.15 | 0.0000 | 0.0713 |
| 303.15 | 0.1000 | 0.0467 |
| 303.15 | 0.1998 | 0.0421 |
| 303.15 | 0.2994 | 0.0381 |
| 303.15 | 0.4073 | 0.0352 |
| 303.15 | 0.4983 | 0.0338 |
| 303.15 | 0.5934 | 0.0327 |
| 303.15 | 0.6979 | 0.0318 |
| 303.15 | 0.7994 | 0.0312 |
| 303.15 | 0.8978 | 0.0307 |
| 303.15 | 1.0000 | 0.0303 |
| 308.15 | 0.0000 | 0.0704 |
| 308.15 | 0.1000 | 0.0457 |
| 308.15 | 0.1998 | 0.0407 |
| 308.15 | 0.2994 | 0.0376 |
| 308.15 | 0.4073 | 0.0347 |
| 308.15 | 0.4983 | 0.0333 |
| 308.15 | 0.5934 | 0.0321 |
| 308.15 | 0.6979 | 0.0312 |
| 308.15 | 0.7994 | 0.0308 |
| 308.15 | 0.8978 | 0.0302 |
| 308.15 | 1.0000 | 0.0299 |
| 313.15 | 0.0000 | 0.0697 |
| 313.15 | 0.1000 | 0.0444 |
| 313.15 | 0.1998 | 0.0396 |
| 313.15 | 0.2994 | 0.0364 |
| 313.15 | 0.4073 | 0.0340 |
| 313.15 | 0.4983 | 0.0327 |
| 313.15 | 0.5934 | 0.0316 |
| 313.15 | 0.6979 | 0.0308 |
| 313.15 | 0.7994 | 0.0304 |
| 313.15 | 0.8978 | 0.0297 |
| 313.15 | 1.0000 | 0.0292 |
| 318.15 | 0.0000 | 0.0688 |
| 318.15 | 0.1000 | 0.0430 |
| 318.15 | 0.1998 | 0.0383 |
| 318.15 | 0.2994 | 0.0357 |
| 318.15 | 0.4073 | 0.0334 |
| 318.15 | 0.4983 | 0.0321 |
| 318.15 | 0.5934 | 0.0310 |
| 318.15 | 0.6979 | 0.0302 |
| 318.15 | 0.7994 | 0.0298 |
| 318.15 | 0.8978 | 0.0291 |
| 318.15 | 1.0000 | 0.0288 |
| 323.15 | 0.0000 | 0.0679 |
| 323.15 | 0.1000 | 0.0417 |
| 323.15 | 0.1998 | 0.0378 |
| 323.15 | 0.2994 | 0.0349 |
| 323.15 | 0.4073 | 0.0329 |
| 323.15 | 0.4983 | 0.0317 |
| 323.15 | 0.5934 | 0.0306 |
| 323.15 | 0.6979 | 0.0297 |
| 323.15 | 0.7994 | 0.0292 |
| 323.15 | 0.8978 | 0.0285 |
| 323.15 | 1.0000 | 0.0281 |
| 333.15 | 0.0000 | 0.0662 |
| 333.15 | 0.1000 | 0.0400 |
| 333.15 | 0.1998 | 0.0365 |
| 333.15 | 0.2994 | 0.0336 |
| 333.15 | 0.4073 | 0.0317 |
| 333.15 | 0.4983 | 0.0303 |
| 333.15 | 0.5934 | 0.0298 |
| 333.15 | 0.6979 | 0.0288 |
| 333.15 | 0.7994 | 0.0279 |
| 333.15 | 0.8978 | 0.0277 |
| 333.15 | 1.0000 | 0.0272 |
Sources
- CO2 solubility measurement and thermodynamic modeling for 1-methylpiperazine/water/CO2
- Physicochemical properties of {1-methyl piperazine (1) + water (2)} system at T = (298.15 to 343.15) K and atmospheric pressure
- Molar excess enthalpy (Hm E) for systems of aqueous piperazine derivatives
- Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K