Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well documented study report which meets basic scientific principles

Data source

Reference
Reference Type:
publication
Title:
1-OCTANOL/WATER PARTITION COEFFICIENTS OF 5 PHARMACEUTICALS FROM HUMAN MEDICAL CARE: CARBAMAZEPINE, CLOFIBRIC ACID, DICLOFENAC, IBUPROFEN, AND PROPYPHENAZONE
Author:
T. Scheytt et al.
Year:
2005
Bibliographic source:
Water, Air, and Soil Pollution (2005) 165: 3–11

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
Deviations:
no
GLP compliance:
not specified
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Diclofenac
EC Number:
239-348-5
EC Name:
Diclofenac
Cas Number:
15307-86-5
Molecular formula:
C14H11Cl2NO2
IUPAC Name:
{2-[(2,6-dichlorophenyl)amino]phenyl}acetic acid

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
1.9
Temp.:
21 °C
pH:
ca. 7

Applicant's summary and conclusion