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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
(Q)SAR
Adequacy of study:
key study
Study period:
2018-01-11
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
For a detailed justification please refer to the attached document.

Data source

Reference
Reference Type:
other: secondary literature
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
QSAR estimation using EPISUITE v4.11 software and the KOWWIN model. Identifier used for input for the estimation was SMILES.
GLP compliance:
no
Partition coefficient type:
octanol-water

Test material

Constituent 1
Reference substance name:
Ceramide IIIB
IUPAC Name:
Ceramide IIIB

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
ca. 11.79
Temp.:
25 °C
Remarks on result:
other: QSAR estimation

Applicant's summary and conclusion

Conclusions:
The LogKow of the test substance is 11.79 according to QSAR prediction.
Executive summary:

Using QSAR estimation with EPISUITE v4.11 software and the KOWWIN v1.68 model, the LogKow of

Ceramide IIIB was calculated to be 11.79.