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Ecotoxicological information

Long-term toxicity to fish

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Link to relevant study record(s)

Description of key information

No long-term toxicity studies to fish are available for propylene glycol n-propyl ether.

Key value for chemical safety assessment

Additional information

Propylene glycol n-propyl ether is classified as readily biodegradable with a low potential for bioaccumulation (log Kow < 3). Additionally, the risk assessment shows that the PEC/PNEC ratio is clearly < 1 in surface water, indicating no need for further information or testing. According to REACH Annex IX requirements, long-term toxicity testing shall only be considered when the chemical safety assessment indicates the need for further investigations. Hence, long-term testing in fish can be waived for propylene glycol n-propyl ether.