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EC number: 939-420-2 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Ready biodegradation assessed in a biochemical oxygen demand (BOD) test and an OECD 301F manometric respirometry test
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
Biodegradation of the substance in the biochemical oxygen demand (BOD) test, similar to the OECD 301D Closed Bottle Test, reached 73% in 20 days, consistent with a description as readily biodegradable. The 10-day window criteria was also met.
Results of ready biodegradation testing in the OECD 301F test were complicated by some apparent losses of DIBC from the reaction mixtures by volatilization. Thus, measurement of biodegradation based on oxygen consumption tended to underestimate the biodegradation potential of the compound. The percent biodegradation for the test substance system ranged from 54.1% to 64.0% of ThOD after 28 days for four replicates across two independent tests. Considering that some test compound was lost by volatilization and thus did not contribute to the measured oxygen consumption, the results are consistent with a description as readily biodegradable as determined in the BOD test described above.Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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