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Henry's Law Constants

www.henrys-law.org

Rolf Sander

NEW: Version 5.0.0 has been published in October 2023

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 Please do not cite the old paper anymore.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 ConstantsOrganic species with other elementsSilicon (Si) → pentamethylcyclotrisiloxanol

FORMULA:C5H16O4Si3
TRIVIAL NAME: D3OH
CAS RN:106916-50-1
STRUCTURE
(FROM NIST):
InChIKey:OGNYSZJXUXVWRE-UHFFFAOYSA-N

Hscp d ln Hs cp / d (1/T) References Type Notes
[mol/(m3Pa)] [K]
1.1×10−3 Mazzoni et al. (1997) V
1.2×10−1 Alton and Browne (2022) Q 821)
2.7×10−2 Alton and Browne (2022) Q 822)
1.5×10−3 Alton and Browne (2022) Q 823)

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

  • Alton, M. W. & Browne, E. C.: Atmospheric degradation of cyclic volatile methyl siloxanes: Radical chemistry and oxidation products, ACS Environ. Au, 2, 263–274, doi:10.1021/ACSENVIRONAU.1C00043 (2022).
  • Mazzoni, S. M., Roy, S., & Grigoras, S.: Eco-relevant properties of selected organosilicon materials, in: The Handbook of Environmental Chemistry, Vol. 3. Part H. Organosilicon Materials, edited by Chandra, G., pp. 53–81, Springer Verlag, Berlin, doi:10.1007/978-3-540-68331-5 (1997).

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

821) Calculated using HENRYWIN 3.21.
822) Calculated using vapor pressures and water solubilities from HENRYWIN 3.21.
823) Calculated using vapor pressures and water solubilities from the EPA Toxicity Estimation Software Tool (TEST).

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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