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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

Estimated based on solubility ratio:

Log Pow= -4.9 at 20°C at pH 7.8

Measured value of non-ionized form:

Log Pow= 1.5 at 23°C at pH 3.0

Key value for chemical safety assessment

Log Kow (Log Pow):
-4.9
at the temperature of:
20 °C

Additional information

Due to the fact of the differences in the sobulity of the test item in water and in n-octanol the determination of the log Pow corresponding to the OECD Guideline 107 (shake flask method) is not feasible. Because the test item cannot be chromatographed under the prescribed conditions the HPLC-method (OECD Guideline 117) is also not feasible. Due to this, the log Pow can only be estimated from the single solubilities of the test item in water and in n-octanol.

Additionally, the log Pow of the sebacic acid (CAS number 111-20 -6, non-ionized form corresponds to the being registered substance) was determined to be log Pow= 1.5 at 23°C at pH 3.0