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Long-term toxicity to aquatic invertebrates

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Link to relevant study record(s)

Description of key information

The relevant parameter for the long-term toxicity on aquatic invertebrates is the NOEC of 0.8 mg/L obtained in a 21-d reproduction study on Daphnia magna.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
0.8 mg/L

Additional information

The lowest NOEC from a long-term study on invertebrates is 0.8 mg/l (21-d reproduction study onDaphnia magna). Another consistent NOEC value (2.2 mg/L) is also available for this species however the validity of the study cannot be evaluated due to lack of information.


The toxicity of quinoline on the development of a pulmonate snail has also been studied and, similar as in the acute studies, this species is less sensitive to this chemical. The NOEC is 12.5 mg/L.