Registration Dossier
Registration Dossier
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EC number: 219-460-0 | CAS number: 2439-35-2
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
Adsorption to solid phase is expected under environmental conditions.
Key value for chemical safety assessment
- Koc at 20 °C:
- 6 584
Additional information
The log Koc of 2-dimethylaminoethyl acrylate was calculated to be 1.1 at 25 °C (corresponding Koc = 12.47) using SRC KocWin v2.00 (BASF SE, 2009). The calculated log Koc refers to the uncharged molecule.
The pKa value (8.41) indicates that the molecule will exist charged in the environment. Therefore, the Koc was calculated for the charged molecule according to the calculation presented by Franco & Trapp (2008). The result showed a log Koc of 3.15 - 3.82 (corresponding Koc = 1404 - 6584) depending on the assumed pH (5.0 - 7.0). The higher the pH value, the lower was the Koc due to a lesser degree of dissociation of the molecule.
However, the substance is unstable under environmental conditions.
Franco F, Trapp S (2008). Estimation of the soil-water partition coefficient normalized to organic carbon for ionizable organic chemicals. Environmental Toxicology and Chemistry 27 (10): 1995-2004.
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