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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

QSAR prediction: logKow>14
Analogue substance of lower molecular weight: logKow>12

Key value for chemical safety assessment

at the temperature of:
20 °C

Additional information

In a test to measure the partition co-efficient, the logPow of a lower molecular weight surrogate substance was estimated to be greater than 12. QSAR modelling using the substance Durasyn 124 predicts the logPow to be greater than 14. Such high values suggest the likelihood of low bioavailability.