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Partition coefficient

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Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16 April 2018 to 6 February 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Version / remarks:
13 April 2004
Deviations:
no
GLP compliance:
yes (incl. certificate)
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Specific details on test material used for the study:
Identification: Photomer 4250
Appearance: Colourless to pale yellow liquid
Type:
log Pow
Partition coefficient:
4.3
Temp.:
35 °C
pH:
7
Remarks on result:
other: major component (38%)
Type:
log Pow
Partition coefficient:
2.6
Temp.:
35 °C
pH:
7
Remarks on result:
other: major component (31%)
Conclusions:
The octanol-water partition coefficient of the test substance was determined to be 2.6 Log Pow at 35 °C, under the conditions of the test.
Executive summary:

In this guideline (OECD 117) study, conducted with GLP certification, the octanol-water partition coefficient was found to be 2.6 Log Pow at 35°C.

Description of key information

Study conducted to recognise testing guidelines [with GLP certification].

Key value for chemical safety assessment

Log Kow (Log Pow):
2.6
at the temperature of:
35 °C

Additional information

The substance has two major components:

log Pow major component (31%): 2.6

log Pow major component (38%): 4.3