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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Administrative data

Link to relevant study record(s)

Description of key information

The calculated BCF of 2,4,4 trimethylpentene was 480  based on the log Kow of 4.55 

Key value for chemical safety assessment

BCF (aquatic species):
480 dimensionless

Additional information

In the absence of experimental data, a BCF was calculated based using the measured log Kow using a QSAR model.

The BCF for this substance has been estimated using the EPISUITE program and based on methodologies developed by Arnot-Gobas et al. (2006). The estimated BCF based on the Arnot-Gobas method (upper trophic) for this substance is 480 L/kg.