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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

The substance is very acutely toxic for fish.

Key value for chemical safety assessment

LC50 for freshwater fish:
0.38 mg/L

Additional information

Two studies in short-term toxicity of HDDA to fish are available. As Key study, an LC50 (96h) of 0.38 mg/L HDDA was determined in a GLP study [Environment Agency Japan 1999]. Supportingly, a LC50 (96h) was calculated to range between 4.6 and 10 mg/L HDDA in a non-GLP study [BASF SE 1989].