Registration Dossier
Registration Dossier
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EC number: 240-385-4 | CAS number: 16294-75-0
Endpoint summary
Administrative data
Description of key information
Additional information
Biodegradation
The ready biodegradability of the test substance was determined in the Modified Sturm Test (OECD guideline 301B) with a non adapted activated domestic sludge over a period of 28 days.
The percentage degradation of the functional control reached the pass level of> 60 % after 14 days with a degradation rate of 61% at this point of time. The quality criterion of the guideline is fulfilled. In the toxicity control containing both test substance and reference compound a biodegradation of 21 % occurred within 14 days. The biodegradation came to a maximum of 33 % after 28 days.
After a long lasting adaptation phase of 22 days the 10% level (begin of biodegradation) was reached only in one replicate. In this replicate the biodegradation came to a maximum of about 20 % after 28 days. In the second replicate the biodegradation lasted under the 10 % level. The test substance must be regarded to be not readily biodegradable in the 10 [d]-window and after 28 days.
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