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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 logKow of 2-butyl-2-ethylpropanediol (BEPD) is reported to be 2.2 (see Section 4.7, partition coefficient).  The logKow is below the trigger of 3 therefore the substance 2-butyl-2-ethylpropanediol is not expected to bioaccumulate in living organisms. According to Column 2 of Annex IX of the REACH regulation,  no bioaccumulation study is required if the logKow is below the trigger of 3. 

Key value for chemical safety assessment

Additional information

The logKow of 2-butyl-2-ethylpropanediol is reported to be 2.2 (see Section 4.7, partition coefficient). The logKow is below the trigger of 3 therefore the substance 2-butyl-2-ethylpropanediol is not expected to bioaccumulate in living organisms. According to Column 2 of Annex IX of the REACH regulation, no bioaccumulation study is required if the logKow is below the trigger of 3.