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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

The 96 hour LC50 for acute toxicity to fish is 5.5 mg/L.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
5.5 mg/L

Additional information

Moles et al (1981) report a 96 hour LC50 of 5.5 mg/l for the freshwater Coho Salmon. This result was from a study using a flow through system with daily analytical confirmation of the exposure concentrations. A 24 hour LC50 for a marine species of 5.4 mg/L is reported by Thomas and Rice (1979). This study used a static exposure method, but did include analytical monitoring. The freshwater LC50 is selected as the key study, as was done in the EU RAR for toluene (2003).