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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Link to relevant study record(s)

Description of key information

Hydrolysis is found to be low, and not dependent on pH.

Key value for chemical safety assessment

Additional information

One study has been provided in the migrated NONs files available from ECHA for the hydrolysis of N-(n-octyl)-2 -pyrrolidinone. The study follows an EC guideline and is undertaken to GLP standards, however it provides no numerical results for hydrolysis.

The available study states that N-(n-octyl)-2 -pyrrolidinone has low hydrolysis, and the level of hydrolysis is not dependent on pH. This conclusion is taken as valid for the assessment, as an EC guideline has been followed, and the study was undertaken in accordance with GLP standards.