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Ecotoxicological information

Short-term toxicity to fish

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Link to relevant study record(s)

Description of key information

The 96h-LC50 for carp exposed to 2,4,7,9-TETRAMETHYL-5-DECYNE-4,7-DIOL was already
reached after 24 hours of exposure and was 42 mg/l with 0% mortality at 32 mg/l (LC0) and
100% mortality at 56 mg/l (LC100). Concentrations down to 18 mg/l induced effects on swimming
behaviour and pigmentation, while no sub-lethal effects occurred at 10 mg/l

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
42 mg/L

Additional information