Registration Dossier
Registration Dossier
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EC number: 202-940-9 | CAS number: 101-41-7
Endpoint summary
Administrative data
Description of key information
Bioaccumulation: aquatic / sediment
The bioaccumulation study in fish was conducted for estimating the BCF (bioaccumulation factor) value of test chemical (authoritative databases, 2017). The bioaccumulation factor (BCF) value was calculated using a logKow of 1.83 and a regression-derived equation. The estimated BCF (bioaccumulation factor) value of test chemical in fish was determined to be 7.5 dimensionless, which does not exceed the bioconcentration threshold of 2000, indicating that the test chemical is considered to be non-accumulative in aquatic organisms.
Additional information
Bioaccumulation: aquatic / sediment
Experimental study and various predicted data of the test chemical were reviewed for the bioaccumulation end point which are summarized as below:
In an experimental key study from authoritative database (2017),bioaccumulation experiment in fish was conducted for estimating the BCF (bioaccumulation factor) value of test chemical. The bioaccumulation factor (BCF) value was calculated using a logKow of 1.83 and a regression-derived equation. The estimated BCF (bioaccumulation factor) value of test chemical in fish was determined to be 7.5 dimensionless.
In a prediction done using the BCFBAF Program of Estimation Programs Interface was used to predict the bioconcentration factor (BCF) of test chemical. The bioconcentration factor (BCF) of test chemical was estimated to be 7.489 L/kg whole body w.w (at 25 deg C).
In an another prediction done by using Bio-concentration Factor module (ACD (Advanced Chemistry Development)/I-Lab predictive module, 2017)), Bio-concentration Factor of the test chemical was estimated to be 18.4 at pH range 1-14, respectively.
On the basis of above results for test chemical(from authoritative and modelling databases,2017), it can be concluded that the BCF value of test chemical ranges from 7.489 to 18.4, respectively,which does not exceed the bioconcentration threshold of 2000, indicating that the test chemical is not expected to bioaccumulate in the food chain.
Waiver statement
In accordance with column 2 of Annex IX of the REACH regulation,testing for this endpointis scientifically not necessary and does not need to be conducted since the test chemicalhas a low potential for bioaccumulation based on logKow ≤ 3.
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