Registration Dossier
Registration Dossier
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EC number: 941-981-3 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Readily biodegradable: ca.90% in 28 days (OECD 301B); read across
Key value for chemical safety assessment
Additional information
Experimental data investigating the biodegradability of Fatty acids, C18 unsaturated, ethyl & methyl esters (EC 941-981-3) are not available. The assessment was therefore based on a study conducted with the main substance component methyl oleate (CAS 112-62-9) as part of a read across approach, which is in accordance with Regulation (EC) No. 1907/2006, Annex XI, 1.5. Further justification is given within the overall summary chapter 5.1 and within the analogue justification section 13.
The biodegradability of methyl oleate (CAS 112-62-9) was tested according to OECD Guideline 301B (King, 1994). A degradation rate of 90.4% based on CO2 evolution was determined after 28 days of exposure.
Based on the results from two structurally related read-across substances (in accordance to Regulation (EC) No 1907/2006 Annex XI, 1.5) which are characterized by a similar ecotoxicological profile and comparable structure, it can be concluded that Fatty acids, C18 unsaturated, ethyl & methyl esters (EC 941-981-3) is readily biodegradable according to the OECD criteria.
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