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
|
FORMULA: | (CH3)2CHCOOH |
TRIVIAL NAME:
|
isobutyric acid
|
CAS RN: | 79-31-2 |
STRUCTURE
(FROM
NIST):
|
|
InChIKey: | KQNPFQTWMSNSAP-UHFFFAOYSA-N |
Hcp |
d ln Hcp / d (1/T) |
Reference |
Type |
Notes |
[mol/(m3Pa)] |
[K] |
|
|
|
9.6 |
|
von Hartungen et al. 2004 |
M |
|
1.1×101 |
|
Khan et al. 1995 |
M |
|
1.1×101 |
|
Khan and Brimblecombe 1992 |
M |
|
5.6×101 |
|
Servant et al. 1991 |
M |
201)
|
1.4 |
|
Mackay et al. 2006c |
V |
|
2.5×101 |
|
Hilal et al. 2008 |
Q |
|
References
-
Hilal, S. H., Ayyampalayam, S. N., and 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.
-
Khan, I. and 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., and 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.
-
Mackay, D., Shiu, W. Y., Ma, K. C., and 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.
-
Servant, J., Kouadio, G., Cros, B., and Delmas, R.: Carboxylic monoacids in the air of Mayombe forest (Congo): Role of the forest as a source or sink, J. Atmos. Chem., 12, 367-380, doi:10.1007/BF00114774, 1991.
-
von Hartungen, E., Wisthaler, A., Mikoviny, T., Jaksch, D., Boscaini, E., Dunphy, P. J., and 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
201) |
The value given here was measured at a liquid phase mixing ratio of 1 μmol/mol. Servant et al. (1991) found that the Henry's law constant changes at higher concentrations. |
The numbers of the notes are the same as
in Sander (2015). References cited in the notes can be
found here.
|
* * *
Search Henry's Law Database
* * *
Convert Henry's Law Constants
* * *
|