Registration Dossier
Registration Dossier
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EC number: 203-718-4 | CAS number: 109-92-2
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Ethyl vinyl ether is readily biodegradable without fulfilling the 10-day window criterion
Key value for chemical safety assessment
Additional information
Ethyl vinyl ether is readily biodegradable without fulfilling the 10 -day window criterion as indicated by a study according to ISO guideline 14593 (CO2 Headspace Test) investigating the ready biodegradability of the analogous substance isobutyl vinyl ether.
The read-across is suitable because the substance has the same functional groups and a comparable moelcular structure and size, according to SIDS Initial Assessment Profile 23, 17-20 October 2006.
Isobutyl vinyl ether was degraded by 60 -70 % after 28 days while the 10 -day window was slightly failed (59% within 10 -day window). A study according to OECD guideline 302B demonstrated that ethyl vinyl ether is easily eliminated from water mainly by stripping (BASF AG, 1979). Hence, Ethyl vinyl ether was not testet in a OECD 301 series test as its very high volatility might have caused problems even in closed systems.
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