Henry's Law Constants

Rolf Sander

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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 oxygen (O)Aldehydes (RCHO) → ethanedial

CAS RN:107-22-2

Hcp d ln Hcp / d (1/T) Reference Type Notes
[mol/(m3Pa)] [K]
4.1×103 7500 Sander et al. 2011 L 192)
4.9×105 Kampf et al. 2013 M 197)
4.1×103 7500 Ip et al. 2009 M 192)
Volkamer et al. 2009 M 198)
2.6×105 Kroll et al. 2005 M 192) 199)
3.6×103 Zhou and Mopper 1990 M 127) 192)
> 3.0×103 Betterton and Hoffmann 1988 M 192)
1.4×104 Lee and Zhou 1993 C 31) 192)


  • Betterton, E. A. and Hoffmann, M. R.: Henry's law constants of some environmentally important aldehydes, Environ. Sci. Technol., 22, 1415-1418, doi:10.1021/ES00177A004, 1988.
  • Ip, H. S. S., Huang, X. H. H., and Yu, J. Z.: Effective Henry's law constants of glyoxal, glyoxylic acid, and glycolic acid, Geophys. Res. Lett., 36, L01802, doi:10.1029/2008GL036212, 2009.
  • Kampf, C. J., Waxman, E. M., Slowik, J. G., Dommen, J., Pfaffenberger, L., Praplan, A. P., Prévôt, A. S. H., Baltensperger, U., Hoffmann, T., and Volkamer, R.: Effective Henry's law partitioning and the salting constant of glyoxal in aerosols containing sulfate, Environ. Sci. Technol., 47, 4236-4244, doi:10.1021/ES400083D, 2013.
  • Kroll, J. H., Ng, N. L., Murphy, S. M., Varutbangkul, V., Flagan, R. C., and Seinfeld, J. H.: Chamber studies of secondary organic aerosol growth by reactive uptake of simple carbonyl compounds, J. Geophys. Res., 110D, D23207, doi:10.1029/2005JD006004, 2005.
  • Lee, Y.-N. and Zhou, X.: Method for the determination of some soluble atmospheric carbonyl compounds, Environ. Sci. Technol., 27, 749-756, doi:10.1021/ES00041A020, 1993.
  • Sander, S. P., Abbatt, J., Barker, J. R., Burkholder, J. B., Friedl, R. R., Golden, D. M., Huie, R. E., Kolb, C. E., Kurylo, M. J., Moortgat, G. K., Orkin, V. L., and Wine, P. H.: Chemical Kinetics and Photochemical Data for Use in Atmospheric Studies, Evaluation No. 17, JPL Publication 10-6, Jet Propulsion Laboratory, Pasadena,, 2011.
  • Volkamer, R., Ziemann, P. J., and Molina, M. J.: Secondary organic aerosol formation from acetylene (C2H2): seed effect on SOA yields due to organic photochemistry in the aerosol aqueous phase, Atmos. Chem. Phys., 9, 1907-1928, doi:10.5194/acp-9-1907-2009, 2009.
  • Zhou, X. and Mopper, K.: Apparent partition coefficients of 15 carbonyl compounds between air and seawater and between air and freshwater; Implications for air-sea exchange, Environ. Sci. Technol., 24, 1864-1869, doi:10.1021/ES00082A013, 1990.


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.


31) Value at T = 295 K.
127) Solubility in sea water.
192) Effective value that takes into account the hydration of the aldehyde:
H= ([RCHO]+[RCH(OH)2])/p(RCHO)
197) Effective value suitable for the conditions of a case study in Mexico City.
198) Volkamer et al. (2009) found average effective Henry's law constants for CHOCHO in the range 1.6×106 mol/(m3 Pa) < Hcp < 5.9×106 mol/(m3 Pa) for solutions containing ammonium sulfate and/or fulvic acid. A salting-in effect by fulvic acid was observed even in the absence of sulfate.
199) Solubility in sulfate aerosol.

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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