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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient)
Deviations:
yes
Remarks:
The concentration of the stock solution was not determined analytically but calculated from the weight of test material taken and its final dilution volume. This deviation has been considered not to have affected the integrity of the study.
GLP compliance:
yes (incl. QA statement)
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water
Analytical method:
gas chromatography
Type:
log Pow
Partition coefficient:
4.51
Temp.:
20 °C
Remarks on result:
other: Dimensionless
Conclusions:
Log10 Pow = 4.51
Executive summary:

According to EU method A.8

The partition coefficient of ET-344 SP has been determined to be 3.20 x 10^4 at 20.5 +/- 1°C. Log10 Pow = 4.51.

The concentration of the stock solution was not determined analytically but calculated from the weight of test material taken and its final dilution volume. This deviation has been considered not to have affected the integrity of the study.

Description of key information

According to EU method A.8

The partition coefficient of ET-344 SP has been determined to be 3.20 x 10^4 at 20.5 +/- 1°C. Log10 Pow = 4.51.

Key value for chemical safety assessment

Log Kow (Log Pow):
4.5
at the temperature of:
20.5 °C

Additional information