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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study according to international accepted guidelines but not GLP compliant.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
GLP compliance:
no
Type of method:
HPLC method
Remarks:
reverse phase
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
(+)-13-Ethylgon-4-ene-3,17-dione
EC Number:
606-833-1
Cas Number:
21800-83-9
Molecular formula:
C19H26O2
IUPAC Name:
(+)-13-Ethylgon-4-ene-3,17-dione
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Test item: Levodione
CAS number: 21800-83-9
Batch number: 242027N
Physical state: Solid, crystalline powder
Colour: White
Storage: At a temperature of 15 to 30 °C

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
3.3
Temp.:
30 °C
Remarks on result:
other: HPLC method
Details on results:
The value of partition coefficient of Levodione was determined by Microsoft Office Excel 2007.

Applicant's summary and conclusion