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Long-term toxicity to fish

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Since no test data on the chronic toxicity of methacrylaldehyde (CAS 78-85-3) to fish are available a conclusion by analogy approach to acrylaldehyde (CAS 107-02-8) has been applied. In a non-GLP reproduction study using Pimephales promelas as test species a NOEC (60 d) of 0.0114 mg/L were observed (Macek et al. 1976).