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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways


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Administrative data

Link to relevant study record(s)

Description of key information

Abiotic degradation in the aquatic environment via hydrolysis is not relevant for 2-ethylhexanoic acid because of lack of hydrolysable functional groups.

Key value for chemical safety assessment

Additional information

According to Lyman et al. (1990), 2 -ethylhexanoic acid is not expected to undergo hydrolysis in the environment due to the lack of hydrolyzable functional groups. Furthermore, the substance is readily biodegradable and hence no study on hydrolysis as a function of pH is required in accordance with Annex VIII, column 2 from Regulation (EC) 1907/2006.