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Physical & Chemical properties

Partition coefficient

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Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reference:
Composition 0
Qualifier:
according to
Guideline:
OECD Guideline 123 (Partition Coefficient (1-Octanol / Water), Slow-Stirring Method)
Deviations:
no
GLP compliance:
no
Other quality assurance:
other: ISO 9001: 2008 quality system
Type of method:
slow-stirring method
Partition coefficient type:
octanol-water
Test material information:
Composition 1
Specific details on test material used for the study:
Purity: 99.8%
Analytical method:
high-performance liquid chromatography
Type:
Pow
Partition coefficient:
31.6
Temp.:
23 °C
pH:
ca. 7
Key result
Type:
log Pow
Partition coefficient:
1.5
Temp.:
23 °C
pH:
ca. 7

Result is consistent with solubilities in n-octanol and water:

 coctanol/ cwater= 20.8

log 20.8 = 1.3

(Calculation according to OECD 107)

Description of key information

Key value for chemical safety assessment

Log Kow (Log Pow):
1.5
at the temperature of:
23 °C

Additional information