Registration Dossier
Registration Dossier
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EC number: 297-083-0 | CAS number: 93334-10-2
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
log Koc: > 3 (KOCWIN v2.00)
Key value for chemical safety assessment
Additional information
No experimental studies investigating the adsorption/desorption
potential ofFatty acids, rape-oil, mixed esters with
1,4:3,6-dianhydro-d-glucitol, sorbitan and sorbitol (CAS 93334-10-2)are
available. Therefore, the log Koc values were calculated using KOCWIN
v2.00 based on the Molecular Connectivity Index (MCI) (Müller, 2014).
The model has no universally accepted definition of the model domain.
Some components of the complex UVCB substance were outside of the domain
of the training set (log Pow of the training set: -2.11 - 9.10). The C18
unsaturated fatty acid monoester component with
1,4:3,6-dianhydro-d-glucitol and the C18 unsaturated fatty acid
monoester component with sorbitan are within the training set and the
calculation is therefore valid and can be used for the assessment of
adsorption behavior (smallest components of UVCB substance). The
calculation for these two components resulted in log Koc values of 3.38
and 3.85 indicating potential for adsorption to sediment particles.
Since the log Koc increases with the length of the C-chain, it can be
assumed that the adsorption potential ofFatty acids, rape-oil, mixed
esters with 1,4:3,6-dianhydro-d-glucitol, sorbitan and sorbitolis high.
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