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Environmental fate & pathways

Henry's Law constant

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Administrative data

Henry's law constant
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well documented study

Data source

Reference Type:
Atmospheric loss processes of dimethyl and diethyl carbonate.
Katrib Y, Deiber G, Mirabel P, Le Calvé S, George C, Mellouki A, Le Bras G
Bibliographic source:
J Atmos Chem 43: 151-174 (2002)

Materials and methods

Test guideline
no guideline followed
Principles of method if other than guideline:
The uptake coefficients of carbonates on aqueous surfaces were measured as a function of temperature and composition of the liquid phase using the troplet train technique coupled to a mass spectrometric detection. From the kinetic data, Henry's Law constant was derived between 265 and 279K.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Dimethyl carbonate
EC Number:
EC Name:
Dimethyl carbonate
Cas Number:
Molecular formula:
dimethyl carbonate
Details on test material:
- Name of test material (as cited in study report): dimethyl carbonate
- Substance type:ester
- Physical state: liquid
- Analytical purity: >=99% (obtained from Fluka)
- Impurities (identity and concentrations): not reported

Results and discussion

Henry's Law constant H
20 - 106 other: M/atm
Atm. press.:
1 013 hPa
Remarks on result:
other: temperature range: 279-265 K

Applicant's summary and conclusion

Henry's Law constants of 20 -106 M/atm were derived between 279 and 265 K.
Executive summary:

Henry's law constant was obtained from measured uptake kinetics determined via the droplet train technique coupled to a mass spectrometric detection. Henry's Law constants of 20 -106 M/atm were derived between 279 and 265 K.