Registration Dossier
Registration Dossier
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EC number: 274-764-0 | CAS number: 70693-32-2
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
log Koc 4.2 - > 5 (KOCWIN v2.00)
Key value for chemical safety assessment
Additional information
No studies investigating the adsorption/desorption behaviour of Decanoic acid, mixed esters with neopentyl glycol and octanoic acid (CAS No. 70693-32-2) are available. Using KOCWIN Program (v2.00), log Koc values ranging from 4.2 to 6.1 were calculated, based on molecular connectivity index (MCI). This model has no universally accepted definition of model domain, but since the C10 fatty acid constituents are outside the Kow range of the training set, the upper range results should be taken with caution. The definite values may not be fully reliable, but indicate a high adsorption potential, which is also to be expected based on the high Kow (9.6) and low water solubility (<0.05 mg/L). Additionally, the C8 fatty acid constituent, which is within the Kow range of the model and are thus fully reliable, already has a high adsorption potential, based on the calculation. It can be expected that the adsorption potential of the C10 fatty acid constituents is even higher, due to the longer fatty acid chains.
In conclusion, Decanoic acid, mixed esters with neopentyl glycol and octanoic acid (CAS No. 70693-32-2) is expected to have high adsorption potential to soil and sediment particles.
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