Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
10th October 2016 to 05th September 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient - HPLC Method)
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Reference substance name:
Undecanolactone
EC Number:
254-399-3
EC Name:
Undecanolactone
Cas Number:
39282-36-5
Molecular formula:
C11H20O2
IUPAC Name:
(5E,13E)-icosa-5,13-dienoic acid; 6-tetradecyloxan-2-one
Specific details on test material used for the study:
Identity: RM1004952
Appearance: Off-white, soft solid
Storage conditions: Room temperature (15 to 25°C)
Batch number: 1383Q12001
Purity: 100%
Expiry date: 30 August 2017
Date received: 05 October 2015

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
> 6.2
Temp.:
25 °C
pH:
ca. 7
Remarks on result:
other: PH not given (assumed neutral)

Applicant's summary and conclusion

Conclusions:
The substance's partition coefficient was log10Pow value of > 6.2.
Executive summary:

The substance's partition coefficient was studied in accordance with EU Method A.8 and OECD Guideline 117 via a GLP-certified laboratory. Using the HPLC method the substance partition coefficient was evaluated to have a  log10Pow value of > 6.2.