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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

Acute toxicity tests on Fish reveals an LC50 > 120 mg/L nominal resp. > 113 mg/L measured concentration.

Key value for chemical safety assessment

Additional information

In two 96 hour acute toxicity study, fish were exposed to 5-Methyl-3- vinyloxazolidin-2-on at nominal concentrations of 0 (control), 120 mg/L under static conditions in accordance with the OECD 203 test guideline. The water pH, temperature and dissolved oxygen were within acceptable guideline specifications. The 96 hour LC50 were >120 mg/L based on the nominal concentration resp. > 113 mg/L measred concentrations of the test substance.