Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
partition coefficient
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Study period:
2016-11-14
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Qualifier:
no guideline followed
Version / remarks:
KOWWIN v1.68 (EpiSuite v.4.10)
GLP compliance:
no
Type of method:
calculation method (fragments)
Remarks:
KOWWIN v1.68 (EpiSuite v.4.10)
Type:
log Pow
Partition coefficient:
10.9
Details on results:
TYPE | NUM | LOGKOW FRAGMENT DESCRIPTION | COEFF | VALUE
-------+-----+--------------------------------------------+---------+--------
Frag | 3 | -CH3 [aliphatic carbon] | 0.5473 | 1.6419
Frag | 27 | -CH2- [aliphatic carbon] | 0.4911 | 13.2597
Frag | 1 | -COOH [acid, aliphatic attach] |-0.6895 | -0.6895
Frag | 4 | -C(=O)O [ester, aliphatic attach] |-0.9505 | -3.8020
Frag | 1 | -tert Carbon [3 or more carbon attach] | 0.2676 | 0.2676
Const | | Equation Constant | | 0.2290
-------+-----+--------------------------------------------+---------+--------
Log Kow = 10.9067
Conclusions:
The Log octanol-water partition coefficient (Log Kow) for the representative SMILES structure was estimated to be 10.9.

Description of key information

Key value for chemical safety assessment

Log Kow (Log Pow):
5.1
at the temperature of:
25 °C

Additional information