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Registration Dossier
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EC number: 232-414-4 | CAS number: 8016-81-7 The residue from the distillation of tall oil. It contains primarily high-boiling esters of fatty acids and rosin. It may also contain neutral materials, free fatty acids and rosin acids.
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
Hydrolytic stability is important for understanding the persistence or stability of a chemical substance in water. The hydrolysis study (required in Section 9.2.2.1) does not need to be conducted on the basis of chemical structure, some constituents of pitch contain ester functionalities which in principle are susceptible to hydrolysis under certain conditions, however, hydrolysis is unlikely under temperature and pH conditions relevant to the environment. This fate process will not contribute to a measurable degradative loss of the substance from the environment.
The substance can therefore be considered as stable under hydrolytic condition.
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