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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
2 (reliable with restrictions)
Justification for type of information:
QSAR prediction
other: REACH Guidance on (Q)SAR
Principles of method if other than guideline:
Meylan, W.M. and P.H. Howard.  1995.  Atom/fragment contribution method for estimating octanol-water partition coefficients.  J. Pharm. Sci. 84: 83-92.
Type of method:
other: (Q)SAR
Partition coefficient type:
log Pow
Partition coefficient:

KOWWIN Program (v1.68) Results:

See attachment in Attached background material for more details.

Log Kow (version 1.68 estimate): 1.99

Description of key information

Log Pow estimation: (EPIWEB 4.11): 1.99

Key value for chemical safety assessment

Log Kow (Log Pow):

Additional information