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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Description of key information

The partition coefficients for members of the category Rosin adducts and rosin adduct salts range from 1.5 to >6.5

The partition coefficient of Resin acids and rosin acids, maleated sodium salts is 3.42 - >6.5.

Key value for chemical safety assessment

Additional information

A GLP-compliant study, conducted according to OECD Guideline 117 (HPLC method), was provided for Resin acids and Rosin acids, maleated, sodium salt (Harlan Laboratories Ltd., 2013a).

The wide range of partition coefficient values for substances in this category is due to the chemical structures of the substances, as they are composed of ionisable organic acids. The substances in this category are UVCB mixtures and therefore can exhibit more than one peak and log Kow value.