Registration Dossier
Registration Dossier
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EC number: 228-846-8 | CAS number: 6362-80-7
Endpoint summary
Administrative data
Description of key information
Additional information
The ready biodegradability of the test material was assessed according to Test Method Relating to New Chemical Substances (Kanpogyo No. 5, Yakuhatsu No. 615, 49 Kikyoku No. 392, 1974; partially revised 1998). The average degradation of the test substance after 28 days from BOD was 0%, and average degradation from residual test substance concentration was 3%. The test substance was judged to have poor degradability. As such, the inherent biodegradability of the test material was assessed according to OECD guideline 302 C. The test item attained 75%, 83% and 34% degradation with a mean of 64% degradation calculated from oxygen consumption values after 28 days. The degradation rates from the compound specific analyses were 100%, 95% and 50% with a mean value of 82%. Therefore, the test item can be considered to be inherently biodegradable.
Under the conditions of the inherent biodegradability study, as the substance attained >20 % over 28 days the substance can be considered as inherently biodegradable. However, in accordance with REACH Guidance on information requirements and chemical safety assessment, Chapter R11: PBT Assessment, as the substance did not attain 70 % degradation over 14 days this is a clear indication that the substance will not biodegrade and should be regarded as persistent.
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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