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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

partition coefficient
Type of information:
experimental study
Adequacy of study:
weight of evidence
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
other: handbook data
Principles of method if other than guideline:
Not applicable - handbook data
GLP compliance:
not specified
Type of method:
flask method
Partition coefficient type:
Specific details on test material used for the study:
Not applicable - handbook data
Analytical method:
photometric method
log Pow
Partition coefficient:
Remarks on result:
other: handbook data

m-toluic acid has a log Kow = 2.37 according to handbook data.

For m-toluic acid a log Pow of 2.37 was reported.

Description of key information

EPI Suite: The estimates for the log Pow of m-toluic acid based on an atom/fragment contribution (AFC) method are 2.42 (KOWWIN™ Program Version 1.68; EPI Suite™ v.4.11, 2012).

Hansch (1995): For m-toluic acid a log Pow of 2.37 was reported.

Key value for chemical safety assessment

Log Kow (Log Pow):

Additional information