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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Description of key information

Partition coefficient (log Kow) = 3.60 and 3.77 for isomer (5SR) and (5RS) respectively (experimental; HPLC).
The endpoint is relevant for classification. The substance has low potential for bioaccumulation, according to CLP criteria for aquatic chronic toxicity (log Kow <4).

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
25 °C

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study. Two values were obtained for the relevant components, the higher result is retained as key data.