Registration Dossier
Registration Dossier
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EC number: 263-423-1 | CAS number: 62125-22-8
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Readily biodegradable: 66.7 – 77.3 (CO2 evolution) after 28 d (EU-Method C.4-C, OECD 301B)
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
One study investigating the ready biodegradability of 2,2-bis[[(1-oxoisooctadecyl)oxy]methyl]-1,3-propanediyl bis(isooctadecanoate)(CAS 62125-22-8) is available (Desmares-Koopmans, 1997). The GLP study was conducted under aerobic conditions according to OECD 301B using non-adapted activated sludge as inoculum. A test concentration of 15.5 – 15.6 mg/L was applied. Based on CO2 evolution a biodegradation of 66.7 – 73.3% was observed after 29 days.For substances with different chain lengths the 10-day window should not be used for the interpretation of results. It is possible that a sequential biodegradation occurred which might have resulted in a prolonged lag-Phase and therefore a slower biodegradation period, although the test substance was biodegraded in a large amount after the test duration. In this case the pass level can be applied after 28 days and therefore the test substance is considered to be readily biodegradable.
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