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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The calculated estimate of Log Pow was 9.26..
According to RIVM report 679102050 for this endpoint (cheasr - euses input ) a value of 6 is set and used

Key value for chemical safety assessment

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

Additional information

As no experimental determination of the partition coefficient was possible, a computer estimate calculation was performed using KOWWIN v1.68 (Sept 2010) 2000 U.S. Environmental Protection Agency.

A reliability score of 3 was assigned, in accordance with the criteria for assigning data quality in line with the principles described by Klimisch (1997) due to the lack of validation for organometallics in these calculations.

The calculated estimate of Log Pow was 9.26.

Two disregarded studies (Recommendation for classification dossier (2005) and IUCLID Data Set (2006)) were included for completeness as both are in the public domain, the studies were deemed unsuitable as the result was derived using calculation software not validated for organometallic substances reported in secondary sources.