Registration Dossier
Registration Dossier
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EC number: 287-824-6 | CAS number: 85586-21-6
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Readily biodegradable: 87% after 28d (ISO/DIS 10708, BODIS test)
Key value for chemical safety assessment
Additional information
As no experimental data evaluating the biodegradation potential of Fatty acids, C16-18, methyl esters (CAS No. 85586-21-6) are available, in accordance to Regulation (EC) No. 1907/2006, Annex XI, 1.5, read-across from a structurally related category member, Fatty acids, C16-18 and C18 unsaturated, methyl esters, CAS No. 67762-38-3, was performed. Both substances are characterized as esters of methanol and C16 and C18 fatty acids and therefore, their biodegradation potential is expected to be very similar, and the read-across is justified. The available test was conducted according to ISO/DIS 10708 (BODIS test) under aerobic conditions using domestic activated sludge as inoculum (Richterich and Mühlberg, 2001). After 28 days, the test substance reached 87% biodegradation fulfilling the 10-day window criterion (> 60% biodegradation within that period). Therefore, the test substance is readily biodegradable.
Based on the results obtained for a structurally similar category member (according to Regulation (EC) No. 1907/2006, Annex XI, 1.5) Fatty acids, C16-18, methyl esters can be considered as readily biodegradable.
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