Registration Dossier
Registration Dossier
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EC number: 255-730-4 | CAS number: 42233-75-0
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Not readily biodegradable: 54% (CO2 Evolution Test) after 28 d (OECD 301B)
No ultimate inherent biodegradation: 69% (O2 consumption) after 28 d (OECD 302C)
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, not fulfilling specific criteria
Additional information
One study investigating the ready biodegradability of didocosyl sebacate (CAS 42233-75-0) is available (Clarke, 2012). This test was conducted according to OECD Guideline 301 B under GLP conditions. The inoculum (non-adapted activated sludge from a sewage treatment plant) was exposed for 28 days to the test substance and biodegradation calculated based on CO2 evolution. At the end of the experiment, the substance reached a biodegradation of 54% and therefore, does not meet the criterion to be considered readily biodegradable (> 60% after 28 days). In addition, other supporting study (Liu, 2014) investigating the inherent biodegradation of test substance shows 69% (O2 consumption) after 28 d (OECD 302 C). Therefore, based on the results, didocosyl sebacate (CAS 42233-75-0) can be regarded as not readily biodegradable and not inherently biodegradable fulfilling specific criteria.
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