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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

partition coefficient
Type of information:
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a (Q)SAR model, with limited documentation / justification, but validity of model and reliability of prediction considered adequate based on a generally acknowledged source
Justification for type of information:
See EpiSuite report (attached).
no guideline required
Principles of method if other than guideline:
EPI (Estimation Programs Interface) Suite estimates a range of physicochemical properties, environmental fate parameters and ecotoxicity. It has been developed by the US EPA in collaboration with Syracuse Research Corporation (SRC) and is used widely by governmental and industry organisations to support the assessment of new and existing industrial chemicals.
GLP compliance:
Type of method:
other: QSAR prediction
log Pow
Partition coefficient:
25 °C
Remarks on result:
other: QSAR prediction
EpiSuite (KOWWIN v1.68) estimates Log Kow as -0.71.
Executive summary:

EpiSuite (KOWWIN v1.68) estimates Log Kow as -0.71.

Description of key information

EpiSuite (KOWWIN v1.68) estimates Log Kow as -0.71.

Key value for chemical safety assessment

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

Additional information