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Environmental fate & pathways

Adsorption / desorption

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Description of key information

The discussed data from HSDB is not considered for the CSA.

Key value for chemical safety assessment

Koc at 20 °C:

Additional information

A scientifically justified data waiver can be applied.

However, rudimentary data on adsorption/desorption exists:

A calculated/estimated Koc, originally from SRC, has been referred to in the HSDB data base (peer reviewed data).

In the data source no information is delivered about the temperature for which the Koc of 100 applies. The Koc value is in line with an expected low adsorption as the substance has a log10 Pow of 1.21.

The info in the HSDB data base is as follows:

Soil Adsorption/Mobility:

The Koc of diethyl carbonate is estimated as 100 (SRC), using a log Kow of 1.21 (Hansch et al.) and a regression-derived equation (Lyman et al.). According to a classification scheme (Swann et al.), this estimated Koc value suggests that diethyl carbonate is expected to have high mobility in soil (SRC).