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Physical & Chemical properties

Partition coefficient

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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

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