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Physical & Chemical properties

Boiling point

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Description of key information

A GLP-compliant study, conducted according to EU Method A.2 (Siwoloboff), was provided for Fatty acids, tall oil, oligomeric reaction products with maleic anhydride and rosin, calcium magnesium zinc salts (Chilworth Technology, 2010a).


The Test was terminated at 231°C and no boiling point was observed under the test conditions. At this temperature discoloration of the test sample was observed. This phenomenon is not the consequence of mass decomposition of the substance but occurs when the resin is not correctly stored and when heating the substance in a non-inert atmosphere (due to the formation of some chromophores).

Any heating to elevated temperatures should occur under inert gas conditions to prevent darkening of the product.


Key value for chemical safety assessment

Additional information

A GLP-compliant study, conducted according to EU Method A.2 (Siwoloboff), was provided for Fatty acids, tall oil, oligomeric reaction products with maleic anhydride and rosin, calcium magnesium zinc salts (Chilworth Technology, 2010a).