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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Partition coefficient

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Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: information from published handbook, acceptable with restrictions

Data source

Reference
Reference Type:
review article or handbook
Title:
Exploring QSAR Hydrophobic, Electronic and Steric Constants.
Author:
Hansch, C., Leo, A., Hoekman, D.
Year:
1995
Bibliographic source:
ACS

Materials and methods

Principles of method if other than guideline:
No more details available, data from handbook.
GLP compliance:
not specified
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
2',3,4',5,7-pentahydroxyflavone
EC Number:
207-542-9
EC Name:
2',3,4',5,7-pentahydroxyflavone
Cas Number:
480-16-0
Molecular formula:
C15H10O7
IUPAC Name:
2',3,4',5,7-pentahydroxyflavone
Constituent 2
Reference substance name:
Morin
IUPAC Name:
Morin

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
1.54
Remarks on result:
other: Handbook data, only the experimental value of the partition coefficient is given.

Applicant's summary and conclusion

Conclusions:
log Pow = 1.54 (octanol/water)
Executive summary:

Handbook data, only the experimental value of the partition coefficient is given. No information on experimental details or data source.