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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 4.0) for water as solvent, Atmos. Chem. Phys., 15, 4399-4981 (2015), doi:10.5194/acp-15-4399-2015


A new version is currently under peer review:

R. Sander: Compilation of Henry's law constants (version 5.0.0-rc.0) for water as solvent, doi:10.5194/egusphere-2023-1584

The database on this web page will be updated to version 5.0.0 when the peer review of the manuscript is completed.


Henry's Law ConstantsOrganic species with nitrogen (N)Amines, amides, amino acids (C, H, O, N) → ethanamide

FORMULA:C2H5NO
TRIVIAL NAME: acetamide
CAS RN:60-35-5
STRUCTURE
(FROM NIST):
InChIKey:DLFVBJFMPXGRIB-UHFFFAOYSA-N

Hscp d ln Hs cp / d (1/T) References Type Notes
[mol/(m3Pa)] [K]
5.3×103 Wolfenden (1976) M
2.8×103 Mackay et al. (2006d) V
2.8×103 Mackay et al. (1995) V
9.0×102 HSDB (2015) Q 38)
4.2×103 Hilal et al. (2008) Q

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

  • 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 http://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm (2015).
  • 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. IV of Nitrogen and Sulfur Containing Compounds and Pesticides, CRC/Taylor & Francis Group (2006d).
  • Wolfenden, R.: Free energies of hydration and hydrolysis of gaseous acetamide, J. Am. Chem. Soc., 98, 1987–1988, doi:10.1021/JA00423A068 (1976).

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

38) Calculated based on the method by Meylan and Howard (1991).

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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