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EC number: 213-208-3
CAS number: 930-02-9
In an enhanced biodegradation test based on an OECD 301B test with a prolonged exposure time of 60 days the degradation of 1-(vinyloxy)octadecane was between 40 and 50%. In respirometric tests using industrial activated sludge, a biodegradation degree of 30 to 60% was determined. Hence the substance is not readily biodegradable but may be considered as inherent biodegradable without fulfilling specific criteria.
In an enhanced biodegradation test based on an OECD 301B test with a
prolonged exposure time of 60 days the degradation of
1-(vinyloxy)octadecane was between 40 and 50% (BASF SE, 2012). Hence the
substance is not readily biodegradable. At test termination
biodegradation was still ongoing without reaching a plateau phase. Based
on the very low water solubility, the bioavailability of 1
-(vinyloxy)octadecane might be limited and therefore reduce the
biodegradation velocity. Biodegradation processes were also demonstrated
in two respirometric tests conducted in 1979 by BASF AG. In one of the
tests an emulsifier was used whereas the second one was conducted
without a vehicle. In both tests industrial sludge was used and hence
the possibility of using adapted microorganisms can not be ruled out.
Nevertheless in both tests teh degradation degree ranged from 30 to 60 %
after 7 days of exposure, also indicating a potential for complete
In conclusion 1 -(vinyloxy)octadecane is not readily biodegradable
according to OECD criteria but complete biodegradation is possible after
prolonged exposure and may be considered as inherently biodegradable
without fulfilling specific criteria.
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