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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1999-01-21
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Version / remarks:
1989
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.8 (Partition Coefficient - HPLC Method)
Version / remarks:
1992
GLP compliance:
not specified
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(2-benzylphenyl)-2-chloroacetamide
EC Number:
606-793-5
Cas Number:
21535-43-3
Molecular formula:
C15 H14 Cl N O
IUPAC Name:
N-(2-benzylphenyl)-2-chloroacetamide

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
2.7
Temp.:
25.5 °C
pH:
7
Remarks on result:
other: 25.5 +- 0.5
Remarks:
no pH was measured of the mobile phase because it is neutral (Acetonitrile:HPLC water 60:40)

Applicant's summary and conclusion

Conclusions:
In conclusion, the partition coefficient (n-Octanol/Water) of the test item was determined to be log Pow = 2.7 at 25.5°C +- 0.5°C using the HPLC method.