Registration Dossier
Registration Dossier
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EC number: 407-560-9 | CAS number: 107934-68-9 CAF
Endpoint summary
Administrative data
Description of key information
The substance is not readily biodegradable and half-lives are predicted by models to be > 2 months in the water compartment. Therefore, the substance could be regarded as potentially vP.
The substance demonstrated to be very bioaccumulable in a fish bioaccumulation test.
Finally the substance is also very toxic for the reproduction of invertebrates.
Therefore the substance is potentially vPvB and PBT.
If the substance is released into the environment it is expected to adsorb to particle matters. It is not expected to be volatile, nor transported.
However, the conditions of use do not lead to exposure or releases to the environment.
Additional information
Based on its physico-chemical properties 4,4´-(9H-fluoren-9-ylidene)bis(2-chloroaniline) (CAS No. 107934-68-9) will mainly distribute into soil and sediment, where it can be very persistent (vP) due its poor degradability. A bioconcentration test according to OECD 305 and GLP was performed with 4,4’-(9H-fluoren-9-ylidene)bis(2-chloroaniline) as test substance. No steady state was reached within the exposure period. Therefore, no BCFss could be calculated. The BCFk obtained, before and after lipid normalisation, with 4,4’-(9H-fluoren-9-ylidene)bis(2-chloroaniline) were >5000 and therefore the test item is considered to be very bioaccumulative in fish.
It should be noted, that due to the strictly self-contained use of the substance, environmental exposure is unlikely.
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