Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

Additional information

This endpoint is fulfilled by a weight of evidence approach by QSAR estimation of the BCF and read across to an experimental result for a structurally similar compound, TXIB, that exhibited a BCF of 183 -194 (whole body wet weight) and 1.95 (whole body wet weight) based upon parent compound. TXIB has a higher log Kow and lower water solubility than isobutyric acid, monoester with 2,2,4 -trimethylpentane-1,3 -diol and therefore the read across is believed to be conservative for isobutryic acid, monoester with 2,2,4 -trimethylpentane-1,3 -diol.