Registration Dossier
Registration Dossier
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EC number: 287-636-4 | CAS number: 85566-26-3
Sediment toxicity
Administrative data
Link to relevant study record(s)
Description of key information
Toxic effects on sediment dwelling invertebrates can be excluded.
Key value for chemical safety assessment
Additional information
No studies on long-term sediment toxicity are available for this substance. Due to the calculated log Koc of 2.07 – 3.3 a moderate adsorption to sediment and soil is indicated. However, Fatty acids, C8-10, Me esters (CAS 85566-26-3) has been shown to be readily biodegradable, hence it can be assumed that they will be completely biologically degraded within the sediment transport process. Therefore, no chronic exposure of sediment dwelling organisms is expected. Furthermore, Fatty acid esters are readily metabolised in Fatty acids and alcohols. These components occur in sediment and soils naturally, are part of physiological pathways and can be used as energy source. The enzyme carboxylesterase is omnipresent in organisms, readily degrading this test substance. Thus, toxic effects caused by the metabolites of fatty acid esters are implausible.
In conclusion, due to a) the lack of chronic exposure and b) the, acknowledged metabolisation of fatty acid esters, toxic effects on sediment dwelling invertebrates can be excluded.
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