Registration Dossier
Registration Dossier
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EC number: 453-140-3 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
In a marine water closed bottle test under GLP and according to OECD 306, DHX2 was biodegraded for 73% after 63 days. The criteria for ready biodegradability were not met.
Key value for chemical safety assessment
Additional information
Key value for chemical safety assessment: biodegradable (73% after 63 days) not fulfilling the criteria for readily biodegradability.
In the key study (reliable with restrictions), the biodegradation of DHX2 was studied according OECD 306 and under GLP. Biodegradability in marine water was analysed by measuring the oxygen consumption (closed bottles) revealing a biodegradation of 33% after 28 days and 73% after 63 days, although reporting details are limited. As the criteria for ready biodegradability were not met, the substance is concluded not to be readily biodegradable. The substance was concluded not to be toxic to the marine water bacteria.
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