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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Description of key information

The log Pow is 4.1.

Key value for chemical safety assessment

Log Kow (Log Pow):
4.101
at the temperature of:
25 °C

Additional information

The log Pow of Norborene was determined using the HPLC method in a valid experiment according to OECD 117 in a solution of methanol/water =75/25 with a value of 4.1 (exact value: 4.101 +/- 0.002) (Paulus, 2010).

in a second, earlier measurement conducted in acetonitrile/water =70:30 at 40°C the log Pow was determined as 4.0. (Mühlberger, Andert 1994)