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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Description of key information

The log partition coefficients for the rosin ester substances range from 2.44 - >6.5.

The log partition coefficient of Resin acids and rosin acids esters with triethylene glycol is 2.44 at 20 - 25°C and pH 4.78 - 5.23.

Key value for chemical safety assessment

Additional information

A study following the EU method A.8 (shake-flask method) was used as the key study (Chilworth Technology, 2010a). The log partition co-efficient of Resin acids and rosin acids, esters with triethylene glycol is 2.44 at 20 -25°C and pH 4.78 -5.23.