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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2013
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 123 (Partition Coefficient (1-Octanol / Water), Slow-Stirring Method)
GLP compliance:
yes
Type of method:
other: Slow Stirring method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Reference substance name:
Sodium diisobutylnaphthalenesulphonate
EC Number:
248-326-4
EC Name:
Sodium diisobutylnaphthalenesulphonate
Cas Number:
27213-90-7
Molecular formula:
Not applicable (UVCB substance)
IUPAC Name:
sodium 2,3-bis(2-methylpropyl)naphthalene-1-sulfonate
Test material form:
solid: particulate/powder

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
-0.27
pH:
8.9
Remarks on result:
other: Temperature not available

Any other information on results incl. tables

pH (water solution) 8.9

Pow 0.54

Log Pow - 0.27

Applicant's summary and conclusion

Conclusions:
The partition coefficient is 0.54 at pH 8.9