Registration Dossier
Registration Dossier
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EC number: 213-590-1 | CAS number: 991-84-4
Endpoint summary
Administrative data
Description of key information
Additional information
The ready biodegradability of the test item was assessed over a 28 day period by the modified Sturm test (OECD 301B). The nominal test concentrations were 10 and 20 mg a.s./L. The test material attained up to 5 and 7 % biodegradation after 28 days whereas the positive control substance (Aniline) was 93 % degraded after 28 days. These results indicate that the test item cannot be classified readily biodegradable under conditions of the test.
The COD calculted in a study according to DIN 38409 was determined to be 2.41 g COD/ g test item.
A simulation study in water and sediment is not regarded as valid as it could not be clarified if the substance degraded or merely bound to the sludge of the test system due to adsorption.
The test substance was found to be poorly biodegradable in an OECD 301B study. It is assumed that the results of further simulation studies would not reveal any different findings. Therefore, further simulation studies in water/sediment and soil are not provided.
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