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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

log Kow at 20°C is 3.6

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
20 °C

Additional information

The log Kow of ethylbenzene was determined using the HPLC method, wherein structurally similar reference substance (benzene, toluene, and naphthalene) were used to determine correlation of HPLC retention and log Kow. The interpolated value of log Kow = 3.6 is in good agreement with the experimentally-derived (but undocumented) value of log Kow = 3.15 reported by Hansch and Leo (1995).