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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
23 June 2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study conducted in accordance with generally accepted scientific principles, possibly with incomplete reporting or methodological deficiencies, which do not affect the quality of the relevant results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: ASTM procedure (designation: E1147-92)
Deviations:
no
GLP compliance:
no
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
5-amino-3-methylthiophene-2,4-dicarbonitrile
EC Number:
610-868-8
Cas Number:
52603-48-2
Molecular formula:
C7N3H5S
IUPAC Name:
5-amino-3-methylthiophene-2,4-dicarbonitrile

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
1.84
Remarks on result:
other: No information provided on temperature and pH at which the study was conducted.
Details on results:
Under the HPLC conditions summarized above, the test substance exhibits a retention time of 3.056/3.017 minutes or an average time of 3.037 minutes. The average difference between the retention time of the internal standard and test substance was found to be 12.143 minutes. The log of this value was utilized in Equation 1 to determine the value of Log Kow for the test substance. The log Kow for the test substance was determined to be 1.84.

Any other information on results incl. tables

No information provided on temperature and pH at which the study was conducted.

Applicant's summary and conclusion

Conclusions:
The test compound was found to have an octanol-water partition coefficient of 64.56 or a log Kow of 1.84.
Executive summary:

In a partition coefficient study (KP06232009), the log partition coefficient (log Pow) was determined to be 1.84 according to ASTM method E1147-92.