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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

Acutely harmful to fish.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
84 mg/L

Additional information

In a study performed by Conway and co-workers (1983) Pimephales promelas was exposed to ethylene oxide for 96 hours in a static test system. The observed LC50 (96h) was 84 mg/L. Hence ethylene oxide is considered as acutely harmful to fish.