Henry's Law Constants

Rolf Sander

Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany

Errata

Contact, Imprint, Acknowledgements

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

R. Sander: Compilation of Henry's law constants (version 4.0) for water as solvent, Atmos. Chem. Phys., 15, 4399-4981 (2015), doi:10.5194/acp-15-4399-2015

Henry's Law Constants → Organic species with oxygen (O) → Carboxylic acids (RCOOH) and peroxy carboxylic acids (RCOOOH) → hexanoic acid

FORMULA:	C₅H₁₁COOH
TRIVIAL NAME:	caproic acid
CAS RN:	142-62-1
STRUCTURE (FROM NIST):
InChIKey:	FUZZWVXGSFPDMH-UHFFFAOYSA-N

$H_{s}^{cp}$	$d ln H_{s}^{cp} / d (1/ T)$	References	Type	Notes
[mol/(m³Pa)]	[K]
1.3×10¹	6100	Staudinger and Roberts (2001)	L
7.5		von Hartungen et al. (2004)	M
1.3×10¹	6300	Khan et al. (1995)	M
1.3×10¹	5900	Khan and Brimblecombe (1992)	M
1.7×10¹		Mackay et al. (2006c)	V
1.7		Mackay et al. (1995)	V
1.1×10¹		Brimblecombe et al. (1992)	V
2.0×10¹		Hwang et al. (1992)	V
	8700	Abraham (1984)	V
	8100	Abraham (1984)	R	202)
2.4×10¹		Hilal et al. (2008)	Q
	7500	Kühne et al. (2005)	Q
1.7×10¹		Nirmalakhandan et al. (1997)	Q
	7200	Kühne et al. (2005)	?
1.5×10¹		Abraham et al. (1990)	?

Data

The first column contains Henry's law solubility constant

H_{s}^{cp}

at the reference temperature of 298.15 K.
The second column contains the temperature dependence

d ln H_{s}^{cp} / d
(1/ T)

, also at the reference temperature.

References

Abraham, M. H.: Thermodynamics of solution of homologous series of solutes in water, J. Chem. Soc. Faraday Trans. 1, 80, 153–181, doi:10.1039/F19848000153 (1984).
Abraham, M. H., Whiting, G. S., Fuchs, R., & Chambers, E. J.: Thermodynamics of solute transfer from water to hexadecane, J. Chem. Soc. Perkin Trans. 2, pp. 291–300, doi:10.1039/P29900000291 (1990).
Brimblecombe, P., Clegg, S. L., & Khan, I.: Thermodynamic properties of carboxylic acids relevant to their solubility in aqueous solutions, J. Aerosol Sci., 23, S901–S904, doi:10.1016/0021-8502(92)90557-C (1992).
Hilal, S. H., Ayyampalayam, S. N., & Carreira, L. A.: Air-liquid partition coefficient for a diverse set of organic compounds: Henry’s law constant in water and hexadecane, Environ. Sci. Technol., 42, 9231–9236, doi:10.1021/ES8005783 (2008).
Hwang, Y.-L., Olson, J. D., & Keller, II, G. E.: Steam stripping for removal of organic pollutants from water. 2. Vapor-liquid equilibrium data, Ind. Eng. Chem. Res., 31, 1759–1768, doi:10.1021/IE00007A022 (1992).
Khan, I. & Brimblecombe, P.: Henry’s law constants of low molecular weight (<130) organic acids, J. Aerosol Sci., 23, S897–S900, doi:10.1016/0021-8502(92)90556-B (1992).
Khan, I., Brimblecombe, P., & Clegg, S. L.: Solubilities of pyruvic acid and the lower (C₁-C₆) carboxylic acids. Experimental determination of equilibrium vapour pressures above pure aqueous and salt solutions, J. Atmos. Chem., 22, 285–302, doi:10.1007/BF00696639 (1995).
Kühne, R., Ebert, R.-U., & Schüürmann, G.: Prediction of the temperature dependency of Henry’s law constant from chemical structure, Environ. Sci. Technol., 39, 6705–6711, doi:10.1021/ES050527H (2005).
Mackay, D., Shiu, W. Y., & Ma, K. C.: Illustrated Handbook of Physical-Chemical Properties and Environmental Fate for Organic Chemicals, vol. IV of Oxygen, Nitrogen, and Sulfur Containing Compounds, Lewis Publishers, Boca Raton (1995).
Mackay, D., Shiu, W. Y., Ma, K. C., & Lee, S. C.: Handbook of Physical-Chemical Properties and Environmental Fate for Organic Chemicals, vol. III of Oxygen Containing Compounds, CRC/Taylor & Francis Group (2006c).
Nirmalakhandan, N., Brennan, R. A., & Speece, R. E.: Predicting Henry’s law constant and the effect of temperature on Henry’s law constant, Wat. Res., 31, 1471–1481, doi:10.1016/S0043-1354(96)00395-8 (1997).
Staudinger, J. & Roberts, P. V.: A critical compilation of Henry’s law constant temperature dependence relations for organic compounds in dilute aqueous solutions, Chemosphere, 44, 561–576, doi:10.1016/S0045-6535(00)00505-1 (2001).
von Hartungen, E., Wisthaler, A., Mikoviny, T., Jaksch, D., Boscaini, E., Dunphy, P. J., & Märk, T. D.: Proton-transfer-reaction mass spectrometry (PTR-MS) of carboxylic acids. Determination of Henry’s law constants and axillary odour investigations, Int. J. Mass Spectrom., 239, 243–248, doi:10.1016/J.IJMS.2004.09.009 (2004).

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 (2015) for further details.

Notes

202)	Abraham (1984) smoothed the values from a plot of enthalpy against carbon number.

The numbers of the notes are the same as in Sander (2015). References cited in the notes can be found here.

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