Registration Dossier
Registration Dossier
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EC number: 256-350-1 | CAS number: 48076-38-6
Endpoint summary
Administrative data
Description of key information
The logKOC values for the substances in the group were calculated using KOCWIN v2.00 embedded in EPI Suite v4.10.
Table 1. Adsorption and desorption
Ester |
Alcohol Moiety Chain length |
Method |
Log KOC |
Reference |
Dodecyl acrylate [2156-97-0] |
C12 |
calculated
|
4.25 |
EPISUITE
|
Tetradecyl acrylate [21643-42-5] |
C14 |
calculated
|
4.79 |
EPISUITE
|
Hexadecyl acrylate [13402-02-3] |
C16 |
calculated
|
5.33 |
EPISUITE
|
Octadecyl acrylate [4813-57-4] |
C18 |
calculated
|
5.88 |
EPISUITE
|
Icosyl acrylate [48076-38-6] |
C20 |
calculated
|
6.42 |
EPISUITE
|
Docosyl acrylate 18299-85-9] |
C22 |
calculated
|
6.97 |
EPISUITE
|
Conclusion
Based on the logKoc values > 3, the long-chain acrylates are expected to absorb to soil.
Additional information
The adsorption coefficient of 2 -Propenoic acid, icosyl esters was estimated using KOCWIN v2.00 embedded in EPI Suite v4.10 of EPA’s Office of Pollution Prevention Toxics and Syracuse Research Corporation (SRC). The program is a screening level tool and estimates the log Koc adsorption coefficient using a Molecular Connectivity Index (MCI). Icosyl acrylate has a molecular weight of 352.61 g/mol and therefore fits the applicability domain of this model. A log Koc of 6.42 was derived for the test item.
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