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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

The lowest 96-h LC50 in the fresh water fish Oncorhynchus mykiss is 40613 mg/l.

Key value for chemical safety assessment

LC50 for freshwater fish:
40 613 mg/L

Additional information

There are several guideline studies available for freshwater fish. The studies are all static and the test concentrations are measured in most of the studies. The lowest observed effect concentration is a 96 -h LC50 value of 40613 mg/l in a study with Oncorhynchus mykiss (Beak Consultants Limited, 1995). The effect concentration determined in marine fish is a 96 -h LC50 of >10,000 mg/l in Scophthalmus maximus (Halliburton Energy Services, 2004). As higher values were not determined in this marine study, the effect concentration will not be used in the assessment. Only the value for the fresh water study will be used.