- Name
- Benzoic acid, 3,4-dihydroxy-
- InChI
- InChI=1S/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)
- InChI Key
- YQUVCSBJEUQKSH-UHFFFAOYSA-N
- Formula
- C7H6O4
- SMILES
- O=C(O)c1ccc(O)c(O)c1
- Mol. Weight (g/mol)
- 154.12
- CAS
- 99-50-3
- 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
- Molality, mol/kg (6)
- σcond - Electrical conductivity, S/m (2)
- Molar enthalpy (2)
- Binary diffusion coefficient, m2/s (2)
Molality, mol/kg [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Temperature, K - Liquid | Molality, mol/kg - Liquid |
|---|---|
| 293.15 | 0.1182 |
| 298.15 | 0.1215 |
| 303.15 | 0.1273 |
| 308.15 | 0.1327 |
| 313.15 | 0.1360 |
| 318.15 | 0.1424 |
Mole fraction of Benzoic acid, 3,4-dihydroxy- (1) [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Temperature, K - Liquid | Mole fraction of Benzoic acid, 3,4-dihydroxy- (1) - Liquid |
|---|---|
| 293.15 | 0.0021 |
| 298.15 | 0.0022 |
| 303.15 | 0.0023 |
| 308.15 | 0.0024 |
| 313.15 | 0.0024 |
| 318.15 | 0.0026 |
Mass concentration, kg/m3 [ref]
| Temperature, K - Liquid | Mass concentration, kg/m3 - Liquid |
|---|---|
| 298.75 | 29.4 |
| 314.65 | 44.3 |
| 334.95 | 95.3 |
| 355.25 | 175.0 |
| 375.35 | 305.0 |
| 395.65 | 773.0 |
| 415.85 | 1180.0 |
Molality, mol/kg [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Temperature, K - Liquid | Molality, mol/kg - Liquid |
|---|---|
| 293.15 | 0.1182 |
| 298.15 | 0.1215 |
| 303.15 | 0.1273 |
| 308.15 | 0.1327 |
| 313.15 | 0.1360 |
| 318.15 | 0.1424 |
Mole fraction of Benzoic acid, 3,4-dihydroxy- (1) [ref]
Operational condition: Pressure, kPa = 101 (Liquid)
| Temperature, K - Liquid | Mole fraction of Benzoic acid, 3,4-dihydroxy- (1) - Liquid |
|---|---|
| 293.15 | 0.0021 |
| 298.15 | 0.0022 |
| 303.15 | 0.0023 |
| 308.15 | 0.0024 |
| 313.15 | 0.0024 |
| 318.15 | 0.0026 |
Mass concentration, kg/m3 [ref]
| Temperature, K - Liquid | Mass concentration, kg/m3 - Liquid |
|---|---|
| 298.75 | 29.4 |
| 314.65 | 44.3 |
| 334.95 | 95.3 |
| 355.25 | 175.0 |
| 375.35 | 305.0 |
| 395.65 | 773.0 |
| 415.85 | 1180.0 |
Electrical conductivity, S/m [ref]
Operational condition: Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Benzoic acid, 3,4-dihydroxy- (1) - Liquid | Electrical conductivity, S/m - Liquid |
| 288.15 | 0.0010 | 0.0048 |
| 288.15 | 0.0020 | 0.0070 |
| 288.15 | 0.0040 | 0.0102 |
| 288.15 | 0.0060 | 0.0126 |
| 288.15 | 0.0080 | 0.0146 |
| 288.15 | 0.0100 | 0.0164 |
| 291.15 | 0.0010 | 0.0051 |
| 291.15 | 0.0020 | 0.0074 |
| 291.15 | 0.0040 | 0.0107 |
| 291.15 | 0.0060 | 0.0132 |
| 291.15 | 0.0080 | 0.0154 |
| 291.15 | 0.0100 | 0.0173 |
| 294.15 | 0.0010 | 0.0054 |
| 294.15 | 0.0020 | 0.0078 |
| 294.15 | 0.0040 | 0.0113 |
| 294.15 | 0.0060 | 0.0140 |
| 294.15 | 0.0080 | 0.0162 |
| 294.15 | 0.0100 | 0.0182 |
| 298.15 | 0.0010 | 0.0058 |
| 298.15 | 0.0020 | 0.0084 |
| 298.15 | 0.0040 | 0.0121 |
| 298.15 | 0.0060 | 0.0150 |
| 298.15 | 0.0080 | 0.0174 |
| 298.15 | 0.0100 | 0.0196 |
Electrical conductivity, S/m [ref]
Operational condition: Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Liquid | Molality, mol/kg of Benzoic acid, 3,4-dihydroxy- (1) - Liquid | Electrical conductivity, S/m - Liquid |
| 288.15 | 0.0010 | 0.0048 |
| 288.15 | 0.0020 | 0.0070 |
| 288.15 | 0.0040 | 0.0102 |
| 288.15 | 0.0060 | 0.0126 |
| 288.15 | 0.0080 | 0.0146 |
| 288.15 | 0.0100 | 0.0164 |
| 291.15 | 0.0010 | 0.0051 |
| 291.15 | 0.0020 | 0.0074 |
| 291.15 | 0.0040 | 0.0107 |
| 291.15 | 0.0060 | 0.0132 |
| 291.15 | 0.0080 | 0.0154 |
| 291.15 | 0.0100 | 0.0173 |
| 294.15 | 0.0010 | 0.0054 |
| 294.15 | 0.0020 | 0.0078 |
| 294.15 | 0.0040 | 0.0113 |
| 294.15 | 0.0060 | 0.0140 |
| 294.15 | 0.0080 | 0.0162 |
| 294.15 | 0.0100 | 0.0182 |
| 298.15 | 0.0010 | 0.0058 |
| 298.15 | 0.0020 | 0.0084 |
| 298.15 | 0.0040 | 0.0121 |
| 298.15 | 0.0060 | 0.0150 |
| 298.15 | 0.0080 | 0.0174 |
| 298.15 | 0.0100 | 0.0196 |
Molar enthalpy of dilution, kJ/mol [ref]
Operational conditions:
- Temperature, K = 298.15 (Liquid)
- Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Initial molality of solute, mol/kg - Liquid | Final molality of solute, mol/kg - Liquid | Molar enthalpy of dilution, kJ/mol - Liquid |
| 0.0250 | 0.0118 | 0.2930 |
| 0.0300 | 0.0142 | 0.3325 |
| 0.0400 | 0.0189 | 0.4086 |
| 0.0450 | 0.0212 | 0.4462 |
| 0.0500 | 0.0236 | 0.4796 |
| 0.0550 | 0.0260 | 0.5123 |
| 0.0600 | 0.0282 | 0.5454 |
| 0.0650 | 0.0306 | 0.5752 |
| 0.0700 | 0.0330 | 0.6037 |
| 0.0750 | 0.0354 | 0.6297 |
| 0.0800 | 0.0377 | 0.6552 |
| 0.0900 | 0.0424 | 0.7003 |
Molar enthalpy of dilution, kJ/mol [ref]
Operational conditions:
- Temperature, K = 298.15 (Liquid)
- Pressure, kPa = 101.3 (Liquid)
| Fixed | Measured | |
|---|---|---|
| Initial molality of solute, mol/kg - Liquid | Final molality of solute, mol/kg - Liquid | Molar enthalpy of dilution, kJ/mol - Liquid |
| 0.0250 | 0.0118 | 0.2930 |
| 0.0300 | 0.0142 | 0.3325 |
| 0.0400 | 0.0189 | 0.4086 |
| 0.0450 | 0.0212 | 0.4462 |
| 0.0500 | 0.0236 | 0.4796 |
| 0.0550 | 0.0260 | 0.5123 |
| 0.0600 | 0.0282 | 0.5454 |
| 0.0650 | 0.0306 | 0.5752 |
| 0.0700 | 0.0330 | 0.6037 |
| 0.0750 | 0.0354 | 0.6297 |
| 0.0800 | 0.0377 | 0.6552 |
| 0.0900 | 0.0424 | 0.7003 |
Binary diffusion coefficient, m2/s [ref]
Operational conditions:
- Mole fraction = 0 (Fluid (supercritical or subcritical phases))
- Pressure, kPa = 101 (Fluid (supercritical or subcritical phases))
| Temperature, K - Fluid (supercritical or subcritical phases) | Binary diffusion coefficient, m2/s - Fluid (supercritical or subcritical phases) |
|---|---|
| 298.00 | 0.0000 |
| 312.00 | 0.0000 |
| 332.00 | 0.0000 |
| 352.00 | 0.0000 |
| 372.00 | 0.0000 |
| 392.00 | 0.0000 |
Binary diffusion coefficient, m2/s [ref]
Operational conditions:
- Mole fraction = 0 (Fluid (supercritical or subcritical phases))
- Pressure, kPa = 101 (Fluid (supercritical or subcritical phases))
| Temperature, K - Fluid (supercritical or subcritical phases) | Binary diffusion coefficient, m2/s - Fluid (supercritical or subcritical phases) |
|---|---|
| 298.00 | 0.0000 |
| 312.00 | 0.0000 |
| 332.00 | 0.0000 |
| 352.00 | 0.0000 |
| 372.00 | 0.0000 |
| 392.00 | 0.0000 |
Sources
- Binary diffusion coefficients of phenolic compounds in subcritical water using a chromatographic peak broadening technique
- Temperature and salt addition effects on the solubility behaviour of some phenolic compounds in water
- Simultaneous determination of enthalpies of dilution and dissociation of protocatechuic acid in aqueous salt solutions by calorimetric measurements
- Solubility of Gallic Acid, Vanillin, Syringic Acid, and Protocatechuic Acid in Aqueous Sulfate Solutions from (293.15 to 318.15) K
- Solubility of Gallic Acid, Catechin, and Protocatechuic Acid in Subcritical Water from (298.75 to 415.85) K