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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 partition coefficient log Pow of each isomer included in the mixture m/p diol is 1.6.

Key value for chemical safety assessment

Log Kow (Log Pow):

Additional information

The partition coefficient (log Pow) of a mixture is not a relevant data that's why no test was performed. However, data are available on each isomer which was tested separately according to the OECD 117 guideline. The data obtained show that both isomers have the same value of Log Kow = 1.6.


These results, in addition to those available for the water solubility, allow us to consider that both isomers should have the same behaviour in environment. As a consequence, a data obtained with an isomer should be considered as valid for the other isomer, as well as for the mixture of both substances.