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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Experimental starting date: 29 March 2021
Experimental completion date: 14 May 2021
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2022
Report date:
2021

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient - HPLC Method)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl [1α,2β(Z)]-(±)-3-oxo-2-(pent-2-enyl)cyclopentaneacetate
EC Number:
243-497-1
EC Name:
Methyl [1α,2β(Z)]-(±)-3-oxo-2-(pent-2-enyl)cyclopentaneacetate
Cas Number:
20073-13-6
Molecular formula:
C13H20O3
IUPAC Name:
methyl 2-[(1S,2S)-3-oxo-2-[(2Z)-pent-2-en-1-yl]cyclopentyl]acetate
Specific details on test material used for the study:
Identification: methyljasmonate
CAS No: 1211-29-6
Appearance/Physical state: clear, colourless liquid
Lot: 0900175
Purity: 99.03 %
Expiry / Retest date: 25 March 2023
Storage conditions: approximately 4 °C, in the dark

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
2.66
Temp.:
30 °C
pH:
6.7
Details on results:
Preliminary Estimate
The log10 Pow was calculated to be 2.76
The result from the preliminary test indicated that the HPLC method was suitable for determination of partition coefficient for this test item.

Applicant's summary and conclusion

Conclusions:
The partition coefficient of the test item has been determined to be 460, log10 Pow 2.66.
Executive summary:

Partition Coefficient (n-Octanol/Water). 460, log10 Pow 2.66, using the HPLC method, designed to be compatible with Method A.8 Partition Coefficient of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 117 of the OECD Guidelines for Testing of Chemicals, 13 April 2004.