Henry's Law Constants

Rolf Sander

Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany


Henry's Law Constants





Contact, Impressum, 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 ConstantsOrganic species with phosphorus (P)Phosphorus (C, H, O, N, Cl, Br, S, P) → chlorpyrifos

CAS RN:2921-88-2

Hscp d ln Hs cp / d (1/T) Reference Type Notes
[mol/(m3Pa)] [K]
1.8 Muir et al. (2004) L 144)
2.1 Muir et al. (2004) L 143)
2.2×10−1 7800 Cetin et al. (2006) M
3.1 Rice et al. (1997b) M 9)
2.4 Fendinger and Glotfelty (1990) M
9.2×10−1 Mackay et al. (2006d) V
1.7 Siebers et al. (1994) V
5.7×10−1 Suntio et al. (1988) V 9)
8.1×10−1 Glotfelty et al. (1987) V
3.4 HSDB (2015) C
1.4 Armbrust (2000) C
2.2×10−1 Hilal et al. (2008) Q
2.5×102 Meylan and Howard (1991) Q


  • Armbrust, K. L.: Pesticide hydroxyl radical rate constants: Measurements and estimates of their importance in aquatic environments, Environ. Toxicol. Chem., 19, 2175–2180, doi:10.1002/etc.5620190905 (2000).
  • Cetin, B., Ozer, S., Sofuoglu, A., & Odabasi, M.: Determination of Henry’s law constants of organochlorine pesticides in deionized and saline water as a function of temperature, Atmos. Environ., 40, 4538–4546, doi:10.1016/J.ATMOSENV.2006.04.009 (2006).
  • Fendinger, N. J. & Glotfelty, D. E.: Henry’s law constants for selected pesticides, PAHs and PCBs, Environ. Toxicol. Chem., 9, 731–735, doi:10.1002/ETC.5620090606 (1990).
  • Glotfelty, D. E., Seiber, J. N., & Liljedahl, A.: Pesticides in fog, Nature, 325, 602–605, doi:10.1038/325602A0 (1987).
  • 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).
  • HSDB: Hazardous Substances Data Bank, TOXicology data NETwork (TOXNET), National Library of Medicine (US), URL (2015).
  • Mackay, D., Shiu, W. Y., Ma, K. C., & Lee, S. C.: Handbook of Physical-Chemical Properties and Environmental Fate for Organic Chemicals, vol. IV of Nitrogen and Sulfur Containing Compounds and Pesticides, CRC/Taylor & Francis Group (2006d).
  • Meylan, W. M. & Howard, P. H.: Bond contribution method for estimating Henry’s law constants, Environ. Toxicol. Chem., 10, 1283–1293, doi:10.1002/ETC.5620101007 (1991).
  • Muir, D. C. G., Teixeira, C., & Wania, F.: Empirical and modeling evidence of regional atmospheric transport of current-use pesticides, Environ. Toxicol. Chem., 23, 2421–2432, doi:10.1897/03-457 (2004).
  • Rice, C. P., Chernyak, S. M., & McConnell, L. L.: Henry’s law constants for pesticides measured as a function of temperature and salinity, J. Agric. Food Chem., 45, 2291–2298, doi:10.1021/JF960834U (1997b).
  • Siebers, J., Gottschild, D., & Nolting, H.-G.: Pesticides in precipitation in northern Germany, Chemosphere, 28, 1559–1570, doi:10.1016/0045-6535(94)90249-6 (1994).
  • Suntio, L. R., Shiu, W. Y., Mackay, D., Seiber, J. N., & Glotfelty, D.: Critical review of Henry’s law constants for pesticides, Rev. Environ. Contam. Toxicol., 103, 1–59, doi:10.1007/978-1-4612-3850-8_1 (1988).


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.


9) Value at T = 293 K.
143) Literature-derived value.
144) Final adjusted value.

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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