Registration Dossier
Registration Dossier
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EC number: 400-910-1 | CAS number: 119822-74-1
Endpoint summary
Administrative data
Description of key information
The ready biodegradability test was performed according to the OECD Test Method 301 A, Modified AFNOR-Test. The biodegradation (28 d) of FAT-20306/B was 0 %. This showed that the test substance is not readily biodegradable under the conditions of this test. Two reports about BOD5 and COD tests are available and used as supportive studies. The results indicated the BOD5/COD ratio was 0 % (BOD5= 0 mg O2/g; COD=1609.0 mg O2/g), which means the test substance is not readily biodegradable. However, when tested for inherent biodegradability in a Zahn-Wellens test according to OECD method 302B, the substance showed a DOC removal of 44 and 51 % within 28 and 33 days respectively. Thus, inherent biodegradability was found although the test method criterion was not met. In conclusion, the test substance is not readily biodegradable but shows inherent biodegradability, not fulfilling specific criteria. The information from biodegradation and hydrolysis tests is sufficient for the Persistence assessment. Thus, no further simulation tests of biodegradation are currently required at this tonnage level.
Additional information
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