Henry's Law Constants

Rolf Sander

Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany

Errata

Contact, Imprint, 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

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 Constants → Organic species with oxygen (O) → Ethers (ROR) → 2-methoxy-2-methylbutane

FORMULA:	C₆H₁₄O
TRIVIAL NAME:	tert-amyl methyl ether
CAS RN:	994-05-8
STRUCTURE (FROM NIST):
InChIKey:	HVZJRWJGKQPSFL-UHFFFAOYSA-N

$H_{s}^{cp}$	$d ln H_{s}^{cp} / d (1/ T)$	References	Type	Notes
[mol/(m³Pa)]	[K]
8.6×10⁻³	6500	Arp and Schmidt (2004)	M
5.2×10⁻³		Miller and Stuart (2000)	M	126)
1.0×10⁻²		Dohnal and Hovorka (1999)	M
7.0×10⁻³		Park et al. (1997)	M
8.1×10⁻³		Park et al. (1997)	V
	6600	Kühne et al. (2005)	Q
	6900	Kühne et al. (2005)	?
5.0×10⁻³	7600	Pankow et al. (1996)	?

Data

The first column contains Henry's law solubility constant

H_{s}^{cp}

at the reference temperature of 298.15 K.
The second column contains the temperature dependence

d ln H_{s}^{cp} / d
(1/ T)

, also at the reference temperature.

References

Arp, H. P. H. & Schmidt, T. C.: Air-water transfer of MTBE, its degradation products, and alternative fuel oxygenates: the role of temperature, Environ. Sci. Technol., 38, 5405–5412, doi:10.1021/ES049286O (2004).
Dohnal, V. & Hovorka, Š.: Exponential saturator: a novel gas-liquid partitioning technique for measurement of large limiting activity coefficients, Ind. Eng. Chem. Res., 38, 2036–2043, doi:10.1021/IE980743H (1999).
Kühne, R., Ebert, R.-U., & Schüürmann, G.: Prediction of the temperature dependency of Henry’s law constant from chemical structure, Environ. Sci. Technol., 39, 6705–6711, doi:10.1021/ES050527H (2005).
Miller, M. E. & Stuart, J. D.: Measurement of aqueous Henry’s law constants for oxygenates and aromatics found in gasolines by the static headspace method, Anal. Chem., 72, 622–625, doi:10.1021/AC990757C (2000).
Pankow, J. F., Rathbun, R. E., & Zogorski, J. S.: Calculated volatilization rates of fuel oxygenate compounds and other gasoline-related compounds from rivers and streams, Chemosphere, 33, 921–937, doi:10.1016/0045-6535(96)00227-5 (1996).
Park, S.-J., Han, S.-D., & Ryu, S.-A.: Measurement of air/water partition coefficient (Henry’s law constant) by using EPICS method and their relationship with vapor pressure and water solubility, J. Korean Inst. Chem. Eng., 35, 915–920 (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 (2015) for further details.

Notes

126)	Value at T = 296 K.

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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