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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

Description of key information

Hydrolysis is not a relevant degradation pathway for the category members Fatty Acids in aquatic environment.

Key value for chemical safety assessment

Additional information

Significant hydrolysis of the members of the category Fatty Acids is not expected based on the molecular structure (aliphatic and moistly saturated carbon chains). If fatty acids are released into aquatic environment, degradation will be dominated by biological degradation, which is determined to be rapid when in diluted form. Therefore no tests for the determination of hydrolysis as a function of pH have to be conducted.