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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

The predicted EC50 value of methyl benzoate for acute toxicity to aquatic invertebrates (Daphnia magna) of 28.5 mg/L corresponds well with an available experimental EC50 value of 32.1 mg/L. The lower predicted EC50 value will be used further in the hazard assessment.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
28.5 mg/L

Additional information

No reliable experimental results (RL 1 or 2) are readily available that could be used to characterise the endpoint. The LC50 value after 48 hours as predicted with the ECOSAR modelling tool is 28.5 mg/L. This corresponds well with an available experimental EC50 value of 32.1 mg/L found in an acute toxicity test with Daphnia magna over a period of 48 hours, which was published in the context of the US EPA High Production Volume Challenge (Cunningham 1997). The lower predicted EC50 value of 28.5 mg/L will be used further in the hazard assessment of the substance. The substance is considered to be moderately toxic to aquatic invertebrates in acute tests and further testing is deemed not necessary.