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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

an LC50-96h = 2.78 mg/L on Oryzias latipes is reported by Japanese MoE.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
2.78 mg/L

Additional information

One reliable key study is available on freshwater fish: A Japanese study (MoE 1998) on Oryszias latipes gives a LC50-96h of 2.78 mg/L. The results are broadly consistent with a QSAR developed for the lower alkyl methacrylates (Staples et al., 2009).

There is no data on marine fish, but studies with the common metabolite of the category, methacrylic acid, indicate that marine species are not expected to be more sensitive to methacrylates than freshwater species (Sverdrup, 2001).