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Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Description of key information

21 day NOEC for Daphnia magna reproduction test: 15 mg/L

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
15 mg/L

Additional information

The 1,4 -butynediol 21 day NOEC for aquatic invertebrates provided in an OECD 211 guideline study is 15 mg/L based on reproductive effects (Tisler 2003).