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Henry's Law Constants

www.henrys-law.org

Rolf Sander

Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany

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Henry's Law Constants

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When referring to the compilation of Henry's Law Constants, please cite this publication:

R. Sander: Compilation of Henry's law constants (version 5.0.0) for water as solvent, Atmos. Chem. Phys., 23, 10901-12440 (2023), doi:10.5194/acp-23-10901-2023

The publication from 2023 replaces that from 2015, which is now obsolete. Please do not cite the old paper anymore.

Henry's Law Constants → Hydrocarbons (C, H) → Mononuclear aromatics → 1,2-dimethylbenzene

FORMULA:C6H4(CH3)2
TRIVIAL NAME: o-xylene
CAS RN:95-47-6
STRUCTURE
(FROM NIST):
InChIKey:CTQNGGLPUBDAKN-UHFFFAOYSA-N

Hscp d ln Hs cp / d (1/T) References Type Notes
[mol/(m3Pa)] [K]
2.0×10−3 4600 Schwardt et al. (2021) L 1)
2.0×10−3 4700 Brockbank (2013) L 1)
2.4×10−3 4200 Fogg and Sangster (2003) L
2.0×10−3 4300 Staudinger and Roberts (2001) L
2.0×10−3 4400 Plyasunov and Shock (2000) L
1.9×10−3 4000 Staudinger and Roberts (1996) L
2.0×10−3 Mackay and Shiu (1981) L
1.9×10−3 Kim and Kim (2014) M
3.2×10−3 4500 Hiatt (2013) M
2.7×10−3 8500 Zhang et al. (2013) M 326)
2.2×10−3 Zhang et al. (2013) M 327)
2.0×10−3 4300 Sieg et al. (2009) M 328)
2.3×10−3 Li et al. (2008) M
1.7×10−3 2500 Falabella and Teja (2008) M 11) 340)
9.6×10−4 McIntosh and Heffron (2000) M 14)
2.1×10−3 Dohnal and Hovorka (1999) M
2.2×10−3 Welke et al. (1998) M
1.9×10−3 3400 Kondoh and Nakajima (1997) M
1.4×10−3 Turner et al. (1996) M
2.4×10−3 4500 Dewulf et al. (1995) M
2.0×10−3 5800 Robbins et al. (1993) M 350)
1.9×10−3 Li and Carr (1993) M
2.1×10−3 Li et al. (1993) M
2.7×10−3 Zhang and Pawliszyn (1993) M
1.4×10−3 3000 Kolb et al. (1992) M 278)
1.7×10−3 Anderson (1992) M 73)
2.1×10−3 5600 Bissonette et al. (1990) M
1.9×10−3 3200 Ashworth et al. (1988) M 279)
2.3×10−3 Yurteri et al. (1987) M 12)
1.9×10−3 4500 Sanemasa et al. (1982) M
1.0×10−3 Sato and Nakajima (1979a) M 14)
2.9×10−3 5400 Wasik and Tsang (1970) M
1.8×10−3 Mackay et al. (2006a) V
1.8×10−3 Shiu and Ma (2000) V
1.8×10−3 Mackay et al. (1992a) V
2.3×10−3 Eastcott et al. (1988) V
1.8×10−3 Hine and Mookerjee (1975) V
1.9×10−3 Mackay and Leinonen (1975) V
1.9×10−3 McAuliffe (1966) V 24)
2.3×10−3 Yaws (2003) X 238)
1.9×10−3 Sieg et al. (2008) C
1.3×10−3 Keshavarz et al. (2022) Q
1.6×10−3 Duchowicz et al. (2020) Q
2.3×10−3 Wang et al. (2017) Q 81) 239)
1.6×10−3 Wang et al. (2017) Q 81) 240)
3.2×10−3 Wang et al. (2017) Q 81) 241)
1.3×10−3 Gharagheizi et al. (2012) Q
9.9×10−4 Raventos-Duran et al. (2010) Q 243) 244)
1.6×10−3 Raventos-Duran et al. (2010) Q 245)
1.6×10−3 Raventos-Duran et al. (2010) Q 246)
1.9×10−3 Gharagheizi et al. (2010) Q 247)
2.0×10−3 Hilal et al. (2008) Q
1.1×10−3 Modarresi et al. (2007) Q 68)
4100 Kühne et al. (2005) Q
1.9×10−3 Yaffe et al. (2003) Q 249) 250)
1.7×10−3 English and Carroll (2001) Q 231) 275)
3.8×10−4 Katritzky et al. (1998) Q
1.0×10−3 Suzuki et al. (1992) Q 233)
1.1×10−3 Nirmalakhandan and Speece (1988) Q
1.9×10−3 Duchowicz et al. (2020) ? 21) 186)
4100 Kühne et al. (2005) ?
2.4×10−3 Yaws (1999) ? 21)
1.1×10−3 Abraham and Weathersby (1994) ? 21)
2.3×10−3 Yaws and Yang (1992) ? 21)
1.9×10−3 Abraham et al. (1990) ?

Data

The first column contains Henry's law solubility constant Hscp at the reference temperature of 298.15 K.
The second column contains the temperature dependence d ln Hs cp / d (1/T), also at the reference temperature.

References

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  • Modarresi, H., Modarress, H., & Dearden, J. C.: QSPR model of Henry’s law constant for a diverse set of organic chemicals based on genetic algorithm-radial basis function network approach, Chemosphere, 66, 2067–2076, doi:10.1016/J.CHEMOSPHERE.2006.09.049 (2007).
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  • Plyasunov, A. V. & Shock, E. L.: Thermodynamic functions of hydration of hydrocarbons at 298.15K and 0.1MPa, Geochim. Cosmochim. Acta, 64, 439–468, doi:10.1016/S0016-7037(99)00330-0 (2000).
  • Raventos-Duran, T., Camredon, M., Valorso, R., Mouchel-Vallon, C., & Aumont, B.: Structure-activity relationships to estimate the effective Henry’s law constants of organics of atmospheric interest, Atmos. Chem. Phys., 10, 7643–7654, doi:10.5194/ACP-10-7643-2010 (2010).
  • Robbins, G. A., Wang, S., & Stuart, J. D.: Using the headspace method to determine Henry’s law constants, Anal. Chem., 65, 3113–3118, doi:10.1021/AC00069A026 (1993).
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Type

Table entries are sorted according to reliability of the data, listing the most reliable type first: L) literature review, M) measured, V) VP/AS = vapor pressure/aqueous solubility, R) recalculation, T) thermodynamical calculation, X) original paper not available, C) citation, Q) QSPR, E) estimate, ?) unknown, W) wrong. See Section 3.1 of Sander (2023) for further details.

Notes

1) A detailed temperature dependence with more than one parameter is available in the original publication. Here, only the temperature dependence at 298.15 K according to the van 't Hoff equation is presented.
11) Measured at high temperature and extrapolated to T⊖ = 298.15 K.
12) Value at T = 293 K.
14) Value at T = 310 K.
21) Several references are given in the list of Henry's law constants but not assigned to specific species.
24) Value at "room temperature".
68) Modarresi et al. (2007) use different descriptors for their calculations. They conclude that a genetic algorithm/radial basis function network (GA/RBFN) is the best QSPR model. Only these results are shown here.
73) Value at T = 296 K.
81) Value at T = 288 K.
186) Experimental value, extracted from HENRYWIN.
231) English and Carroll (2001) provide several calculations. Here, the preferred value with explicit inclusion of hydrogen bonding parameters from a neural network is shown.
233) Calculated with a principal component analysis (PCA); see Suzuki et al. (1992) for details.
238) Value given here as quoted by Gharagheizi et al. (2010).
239) Calculated using linear free energy relationships (LFERs).
240) Calculated using SPARC Performs Automated Reasoning in Chemistry (SPARC).
241) Calculated using COSMOtherm.
243) Value from the training dataset.
244) Calculated using the GROMHE model.
245) Calculated using the SPARC approach.
246) Calculated using the HENRYWIN method.
247) Calculated using a combination of a group contribution method and neural networks.
249) Yaffe et al. (2003) present QSPR results calculated with the fuzzy ARTMAP (FAM) and with the back-propagation (BK-Pr) method. They conclude that FAM is better. Only the FAM results are shown here.
250) Value from the training set.
275) Value from the test dataset.
278) Extrapolated from data measured between 40 °C and 80 °C.
279) Data are taken from the report by Howe et al. (1987).
326) Using the theoretical initial concentration (H0); see Zhang et al. (2013) for details.
327) Average of all duplicates (H1); see Zhang et al. (2013) for details.
328) Sieg et al. (2009) also provide data for supercooled water. Here, only data above 0 °C were used to calculate the temperature dependence.
340) Values for salt solutions are also available from this reference.
350) The data from Robbins et al. (1993) were fitted to the three-parameter equation: Hscp= exp( −1350.74178 +64760.28328/T +197.85937 ln(T)) mol m−3 Pa−1, with T in K.

The numbers of the notes are the same as in Sander (2023). References cited in the notes can be found here.

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