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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

log Pow = -0.69 at 20 °C (OECD 107)

Key value for chemical safety assessment

Additional information

According to column 2 of Annex IX of the REACH Regulation, studies on the accumulation in aquatic species do not need be conducted if the test item has a log Pow of < 3. The log Pow of C16-18 and C18–unsatd. AS Na (CAS 1394155-71-5) is – 0.69 and therefore bioaccumulation studies are not required.