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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

With high probability acutely not harmful to fish.

Key value for chemical safety assessment

LC50 for freshwater fish:
100 mg/L

Additional information

The key study (BASF AG, 1987) was conducted with Leucisdus idus (German Industrial Standards DIN 38412, part 15) over 96-hour and revealed an LC50 between 21.5 and 46.4 mg/L benzylamine. After a recalculation in 2011 (BASF SE, 2011), the geometric mean between the LC0 and the LC100 shows an LC50 (96h) of 31.58 mg/L if the pH is not adjusted. In case of an adjustment of the pH, the LC50 value is beyond the hightest test concentration of 100 mg/L. Therefore, the acute toxicity of benzylamine to fish is >100 mg/L since the toxicity is considered as a pH effect.

The key study is supported by a publication of Geiger et al. (1990). In an acute fish toxicity test with Pimephales promelas, they stated a LC50 of 102 mg/L and an EC50 (equilibrium sense of the test organisms) of 98 mg/L benzylamine after 96h.