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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

A 0.5 hr IC50 value for N-(n-octyl)-2-pyrrolidinone is found to be 460 mg/l.

Key value for chemical safety assessment

Additional information

One study has been submitted, which has been performed according to the guideline DIN 38412 Part 27. This study finds a 0.5h IC50 result of 460 mg/l. The study is found to be reasonably reliable, as a guideline has been followed and the study has been performed to GLP standards. As such this result is accepted to be the 0.5hr IC50 value for N-(n-octyl)-2 -pyrollidinone.