- Name
- Maleic acid
- InChI
- InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
- InChI Key
- VZCYOOQTPOCHFL-UPHRSURJSA-N
- Formula
- C4H4O4
- SMILES
- O=C(O)C=CC(=O)O
- Mol. Weight (g/mol)
- 116.07
- CAS
- 110-16-7
- 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
- ρl - Mass density, kg/m3 (6)
- csound,fluid - Speed of Sound, m/s (2)
- γ - Surface tension liquid-gas, N/m (4)
Mass density, kg/m3 [ref]
Operational condition: Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Maleic acid (1) - Liquid | Mass density, kg/m3 - Liquid |
| 298.15 | 0.0000 | 997.0 |
| 298.15 | 0.2603 | 1007.2 |
| 298.15 | 0.6112 | 1019.8 |
| 298.15 | 0.9261 | 1030.4 |
| 298.15 | 1.4956 | 1048.3 |
| 298.15 | 1.9153 | 1060.5 |
| 298.15 | 2.4319 | 1074.6 |
| 308.15 | 0.0000 | 994.0 |
| 308.15 | 0.2603 | 1003.9 |
| 308.15 | 0.6112 | 1016.2 |
| 308.15 | 0.9261 | 1026.6 |
| 308.15 | 1.4956 | 1044.0 |
| 308.15 | 1.9153 | 1055.9 |
| 308.15 | 2.4319 | 1069.4 |
Mass density, kg/m3 [ref]
Operational conditions:
- Temperature, K = 298 (Liquid)
- Pressure, kPa = 100 (Liquid)
| Mole fraction of Maleic acid (1) - Liquid | Mass density, kg/m3 - Liquid |
|---|---|
| 0.0080 | 1016.0 |
| 0.0170 | 1031.0 |
| 0.0270 | 1048.0 |
| 0.0370 | 1063.0 |
| 0.0490 | 1084.0 |
| 0.0620 | 1103.0 |
| 0.0770 | 1121.0 |
| 0.0940 | 1135.0 |
Mass density, kg/m3 [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Maleic acid (1) - Liquid | Mass density, kg/m3 - Liquid |
| 288.15 | 0.0983 | 1003.24 |
| 288.15 | 0.4902 | 1018.5 |
| 288.15 | 0.9790 | 1035.99 |
| 293.15 | 0.0983 | 1002.29 |
| 293.15 | 0.4902 | 1017.26 |
| 293.15 | 0.9790 | 1034.47 |
| 298.15 | 0.0983 | 1001.04 |
| 298.15 | 0.4902 | 1015.79 |
| 298.15 | 0.9790 | 1032.74 |
| 303.15 | 0.0983 | 999.59 |
| 303.15 | 0.4902 | 1014.1 |
| 303.15 | 0.9790 | 1030.81 |
| 308.15 | 0.0983 | 997.91 |
| 308.15 | 0.4902 | 1012.25 |
| 308.15 | 0.9790 | 1028.74 |
| 313.15 | 0.0983 | 996.07 |
| 313.15 | 0.4902 | 1010.18 |
| 313.15 | 0.9790 | 1026.46 |
| 318.15 | 0.0983 | 994.03 |
| 318.15 | 0.4902 | 1007.98 |
| 318.15 | 0.9790 | 1024.06 |
| 323.15 | 0.0983 | 991.81 |
| 323.15 | 0.4902 | 1005.58 |
| 323.15 | 0.9790 | 1021.47 |
| 328.15 | 0.0983 | 989.41 |
| 328.15 | 0.4902 | 1003.01 |
| 328.15 | 0.9790 | 1018.75 |
| 333.15 | 0.0983 | 986.88 |
| 333.15 | 0.4902 | 1000.36 |
| 333.15 | 0.9790 | 1015.92 |
Mass density, kg/m3 [ref]
Operational condition: Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Maleic acid (1) - Liquid | Mass density, kg/m3 - Liquid |
| 298.15 | 0.0000 | 997.0 |
| 298.15 | 0.2603 | 1007.2 |
| 298.15 | 0.6112 | 1019.8 |
| 298.15 | 0.9261 | 1030.4 |
| 298.15 | 1.4956 | 1048.3 |
| 298.15 | 1.9153 | 1060.5 |
| 298.15 | 2.4319 | 1074.6 |
| 308.15 | 0.0000 | 994.0 |
| 308.15 | 0.2603 | 1003.9 |
| 308.15 | 0.6112 | 1016.2 |
| 308.15 | 0.9261 | 1026.6 |
| 308.15 | 1.4956 | 1044.0 |
| 308.15 | 1.9153 | 1055.9 |
| 308.15 | 2.4319 | 1069.4 |
Mass density, kg/m3 [ref]
Operational conditions:
- Temperature, K = 298 (Liquid)
- Pressure, kPa = 100 (Liquid)
| Mole fraction of Maleic acid (1) - Liquid | Mass density, kg/m3 - Liquid |
|---|---|
| 0.0080 | 1016.0 |
| 0.0170 | 1031.0 |
| 0.0270 | 1048.0 |
| 0.0370 | 1063.0 |
| 0.0490 | 1084.0 |
| 0.0620 | 1103.0 |
| 0.0770 | 1121.0 |
| 0.0940 | 1135.0 |
Mass density, kg/m3 [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Maleic acid (1) - Liquid | Mass density, kg/m3 - Liquid |
| 288.15 | 0.0983 | 1003.24 |
| 288.15 | 0.4902 | 1018.5 |
| 288.15 | 0.9790 | 1035.99 |
| 293.15 | 0.0983 | 1002.29 |
| 293.15 | 0.4902 | 1017.26 |
| 293.15 | 0.9790 | 1034.47 |
| 298.15 | 0.0983 | 1001.04 |
| 298.15 | 0.4902 | 1015.79 |
| 298.15 | 0.9790 | 1032.74 |
| 303.15 | 0.0983 | 999.59 |
| 303.15 | 0.4902 | 1014.1 |
| 303.15 | 0.9790 | 1030.81 |
| 308.15 | 0.0983 | 997.91 |
| 308.15 | 0.4902 | 1012.25 |
| 308.15 | 0.9790 | 1028.74 |
| 313.15 | 0.0983 | 996.07 |
| 313.15 | 0.4902 | 1010.18 |
| 313.15 | 0.9790 | 1026.46 |
| 318.15 | 0.0983 | 994.03 |
| 318.15 | 0.4902 | 1007.98 |
| 318.15 | 0.9790 | 1024.06 |
| 323.15 | 0.0983 | 991.81 |
| 323.15 | 0.4902 | 1005.58 |
| 323.15 | 0.9790 | 1021.47 |
| 328.15 | 0.0983 | 989.41 |
| 328.15 | 0.4902 | 1003.01 |
| 328.15 | 0.9790 | 1018.75 |
| 333.15 | 0.0983 | 986.88 |
| 333.15 | 0.4902 | 1000.36 |
| 333.15 | 0.9790 | 1015.92 |
Speed of sound, m/s [ref]
Operational condition: Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Maleic acid (1) - Liquid | Speed of sound, m/s - Liquid |
| 298.15 | 0.0000 | 1496.8 |
| 298.15 | 0.2603 | 1502.4 |
| 298.15 | 0.6112 | 1508.8 |
| 298.15 | 0.9261 | 1512.8 |
| 298.15 | 1.4956 | 1519.6 |
| 298.15 | 1.9153 | 1523.2 |
| 298.15 | 2.4319 | 1526.8 |
| 308.15 | 0.0000 | 1519.6 |
| 308.15 | 0.2603 | 1524.0 |
| 308.15 | 0.6112 | 1528.8 |
| 308.15 | 0.9261 | 1532.0 |
| 308.15 | 1.4956 | 1538.0 |
| 308.15 | 1.9153 | 1541.6 |
| 308.15 | 2.4319 | 1544.8 |
Speed of sound, m/s [ref]
Operational condition: Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Maleic acid (1) - Liquid | Speed of sound, m/s - Liquid |
| 298.15 | 0.0000 | 1496.8 |
| 298.15 | 0.2603 | 1502.4 |
| 298.15 | 0.6112 | 1508.8 |
| 298.15 | 0.9261 | 1512.8 |
| 298.15 | 1.4956 | 1519.6 |
| 298.15 | 1.9153 | 1523.2 |
| 298.15 | 2.4319 | 1526.8 |
| 308.15 | 0.0000 | 1519.6 |
| 308.15 | 0.2603 | 1524.0 |
| 308.15 | 0.6112 | 1528.8 |
| 308.15 | 0.9261 | 1532.0 |
| 308.15 | 1.4956 | 1538.0 |
| 308.15 | 1.9153 | 1541.6 |
| 308.15 | 2.4319 | 1544.8 |
Surface tension liquid-gas, N/m [ref]
Operational condition: Temperature, K = 298 (Liquid)
| Mole fraction of Maleic acid (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
|---|---|
| 0.0080 | 0.0680 |
| 0.0116 | 0.0676 |
| 0.0170 | 0.0659 |
| 0.0267 | 0.0641 |
| 0.0374 | 0.0614 |
| 0.0376 | 0.0614 |
| 0.0489 | 0.0622 |
| 0.0579 | 0.0612 |
| 0.0600 | 0.0623 |
| 0.0627 | 0.0604 |
| 0.0764 | 0.0588 |
| 0.0850 | 0.0603 |
| 0.0932 | 0.0597 |
| 0.1083 | 0.0595 |
Surface tension liquid-gas, N/m [ref]
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Maleic acid (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
| 278.30 | 0.0120 | 0.0699 |
| 278.70 | 0.0600 | 0.0643 |
| 279.20 | 0.0120 | 0.0698 |
| 280.40 | 0.0600 | 0.0644 |
| 280.50 | 0.0600 | 0.0644 |
| 283.50 | 0.0120 | 0.0692 |
| 283.50 | 0.0600 | 0.0637 |
| 283.70 | 0.0120 | 0.0694 |
| 284.20 | 0.0600 | 0.0640 |
| 284.70 | 0.0600 | 0.0639 |
| 284.90 | 0.0600 | 0.0635 |
| 287.40 | 0.0120 | 0.0687 |
| 287.90 | 0.0120 | 0.0686 |
| 288.40 | 0.0600 | 0.0634 |
| 288.60 | 0.0600 | 0.0636 |
| 288.80 | 0.0600 | 0.0631 |
| 289.10 | 0.0600 | 0.0632 |
| 292.80 | 0.0120 | 0.0680 |
| 292.80 | 0.0600 | 0.0628 |
| 292.80 | 0.0120 | 0.0682 |
| 292.80 | 0.0120 | 0.0682 |
| 292.90 | 0.0600 | 0.0626 |
| 293.40 | 0.0600 | 0.0629 |
| 296.20 | 0.0600 | 0.0621 |
| 297.00 | 0.0120 | 0.0675 |
| 297.10 | 0.0600 | 0.0624 |
| 297.20 | 0.0120 | 0.0677 |
| 297.50 | 0.0120 | 0.0676 |
| 297.70 | 0.0600 | 0.0623 |
| 300.90 | 0.0600 | 0.0614 |
| 301.20 | 0.0600 | 0.0615 |
| 301.60 | 0.0600 | 0.0618 |
| 302.00 | 0.0600 | 0.0618 |
| 302.30 | 0.0120 | 0.0669 |
| 302.70 | 0.0120 | 0.0668 |
Surface tension liquid-gas, N/m [ref]
Operational condition: Temperature, K = 298 (Liquid)
| Mole fraction of Maleic acid (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
|---|---|
| 0.0080 | 0.0680 |
| 0.0116 | 0.0676 |
| 0.0170 | 0.0659 |
| 0.0267 | 0.0641 |
| 0.0374 | 0.0614 |
| 0.0376 | 0.0614 |
| 0.0489 | 0.0622 |
| 0.0579 | 0.0612 |
| 0.0600 | 0.0623 |
| 0.0627 | 0.0604 |
| 0.0764 | 0.0588 |
| 0.0850 | 0.0603 |
| 0.0932 | 0.0597 |
| 0.1083 | 0.0595 |
Surface tension liquid-gas, N/m [ref]
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Mole fraction of Maleic acid (1) - Liquid | Surface tension liquid-gas, N/m - Liquid |
| 278.30 | 0.0120 | 0.0699 |
| 278.70 | 0.0600 | 0.0643 |
| 279.20 | 0.0120 | 0.0698 |
| 280.40 | 0.0600 | 0.0644 |
| 280.50 | 0.0600 | 0.0644 |
| 283.50 | 0.0120 | 0.0692 |
| 283.50 | 0.0600 | 0.0637 |
| 283.70 | 0.0120 | 0.0694 |
| 284.20 | 0.0600 | 0.0640 |
| 284.70 | 0.0600 | 0.0639 |
| 284.90 | 0.0600 | 0.0635 |
| 287.40 | 0.0120 | 0.0687 |
| 287.90 | 0.0120 | 0.0686 |
| 288.40 | 0.0600 | 0.0634 |
| 288.60 | 0.0600 | 0.0636 |
| 288.80 | 0.0600 | 0.0631 |
| 289.10 | 0.0600 | 0.0632 |
| 292.80 | 0.0120 | 0.0680 |
| 292.80 | 0.0600 | 0.0628 |
| 292.80 | 0.0120 | 0.0682 |
| 292.80 | 0.0120 | 0.0682 |
| 292.90 | 0.0600 | 0.0626 |
| 293.40 | 0.0600 | 0.0629 |
| 296.20 | 0.0600 | 0.0621 |
| 297.00 | 0.0120 | 0.0675 |
| 297.10 | 0.0600 | 0.0624 |
| 297.20 | 0.0120 | 0.0677 |
| 297.50 | 0.0120 | 0.0676 |
| 297.70 | 0.0600 | 0.0623 |
| 300.90 | 0.0600 | 0.0614 |
| 301.20 | 0.0600 | 0.0615 |
| 301.60 | 0.0600 | 0.0618 |
| 302.00 | 0.0600 | 0.0618 |
| 302.30 | 0.0120 | 0.0669 |
| 302.70 | 0.0120 | 0.0668 |
Sources
- Ultrasonic Velocity and Density Studies of Solutions of Maleic Acid and Tartaric Acid inWater at T = (298.15 and 308.15)K
- Surface Tensions and Densities of Oxalic, Malonic, Succinic, Maleic, Malic, and cis-Pinonic Acids
- Cryoscopic and Volumetric Studies in the Maleic Acid + Water System
Note: These property values are available through the Cheméo API. A free account gives you an access key.