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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

LC50 (96 h) = 162 mg/L (nominal) for Pimephales promelas (equivalent to OECD 203)

Key value for chemical safety assessment

LC50 for freshwater fish:
162 mg/L

Additional information

The acute toxicity of 2 -isocyanatoethyl methacrylate (MOI) to fish was tested in a study conducted by Dow Chemicals (USA, 1979), using fathead minnows (Pimephales promelas) as test species. This static dose-response test (non-GLP) was carried out equivalent to the OECD-Guideline 203 over a period of 96 h. The nominal test concentrations used were 100, 320, 560 and 1000 mg/L. The resulting LC50 was 162 mg/L (nominal).